Trevor Bayne climbs in his car during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/Phelan Ebenhack)

Michael Waltrip waves to fans as his crew pushes his car through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/Phelan M. Ebenhack)

Brian Pattie, left, crew chief for driver Clint Bowyer, talks with Jimmie Johnson during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Kevin Harvick puts on his helmet before getting in his car during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Kasey Kahne climbs in his car during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Tony Stewart prepares to go out onto the track during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Brad Keselowski reaches for his helmet as he prepares to go out onto the track during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

A mobile television camera glides on high wires strung across the front stretch of the Daytona International Speedway during practice for the NASCAR Daytona 500 auto race in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Paul Menard prepares to go out onto the track to practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

A mobile television camera glides on high wires strung across the front stretch of the Daytona International Speedway during practice for the NASCAR Daytona 500 auto race in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

A mobile television camera glides on high wires strung across the front stretch of the Daytona International Speedway during practice for the NASCAR Daytona 500 auto race in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Brad Keselowski steers as his crew pushes his car through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Austin Dillon, left, and team owner Richard Childress watch as crew members work on Dillon's car in the garage during a practice session for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Dale Earnhardt Jr., right, walks through his garage with crew chief Steve Letarte, left, during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Dale Earnhardt Jr., center, talks with a crew member in his garage as crew chief Steve Letarte, right, listens during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick walks from her hauler to her garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/Phelan M. Ebenhack)

Jamie McMurray walks in his garage as crew members make adjustments to his car during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/Phelan M. Ebenhack)

Danica Patrick checks out her car while crew members make adjustments in her garage during a practice session for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/Phelan M. Ebenhack)

Ricky Stenhouse Jr., talks with crew members in his garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Kevin Harvick looks over his car in his garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Ricky Stenhouse Jr. jokes around with the crew in his garage as his car is worked on during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Greg Biffle takes a break in his garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick removes her earplugs after a turn driving during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/Phelan M. Ebenhack)

Austin Dillon leaves his garage while crew members make adjustments to his car during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Matt Kenseth looks under the hood of his car in his garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Fans per through a window of the garage of Danica Patrick, left, taking photos and holding up programs hoping to get an autograph from the driver during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/Phelan M. Ebenhack)

The new Chevrolet SS racing is displayed at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. Chevrolet might have pulled out of NASCAR had the sanctioning body not agreed to redesign race cars and make them more relevant to consumers. NASCAR President Mike Helton and Hendrick Motorsports owner Rick Hendrick said Saturday that they had talks with the American automaker that made it clear things needed to change to keep Chevrolet happy. But Mark Reuss, president of General Motors North America, said the auto giant never threatened to walk. (AP Photo/Terry Renna)

Hendrick Motorsports owner Rick Hendrick, right, stands by the new Chevrolet SS street model after it and a racing version, back left, were unveiled at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. Chevrolet may have pulled out of NASCAR had the sanctioning body not agreed to redesign race cars and make them more relevant to consumers. NASCAR President Mike Helton and Hendrick Motorsports owner Rick Hendrick said Saturday that they had talks with the American automaker that made it clear things needed to change to keep Chevrolet happy. But Mark Reuss, president of General Motors North America, said the auto giant never threatened to walk. (AP Photo/Terry Renna)

Danica Patrick stands by her car after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. Patrick won the pole, becoming the first woman to secure the top spot for any Sprint Cup race. (AP Photo/John Raoux)

Mark Martin, right, and Danica Patrick laugh on pit road after their qualifying runs for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. Patrick won the pole, becoming the first woman to secure the top spot for any Sprint Cup race. (AP Photo/John Raoux)

Danica Patrick removes her earplugs by her car on pit road after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. Patrick won the pole, becoming the first woman to secure the top spot for any Sprint Cup race. (AP Photo/Terry Renna)

Jeff Gordon stands by his car on pit road after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick removes her helmet after her qualifying run for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. Patrick won the pole, becoming the first woman to secure the top spot for any Sprint Cup race. (AP Photo/Terry Renna)

Michael Waltrip stands by his car on pit road after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Danica Patrick stands by her car on pit road after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. Patrick won the pole, becoming the first woman to secure the top spot for any Sprint Cup race. (AP Photo/Terry Renna)

Kevin Harvick walks by his car on pit road after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Trevor Bayne stands by his car on pit road after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Ryan Newman climbs out of his car after his qualifying run for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Kasey Kahne adjusts his sunglasses by his car on pit road after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danika Patrick drives through Turn 4 during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Jeff Gordon drives through Turn 4 during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Trevor Bayne drives through Turn 4 during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Ryan Newman drives through Turn 4 during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Kevin Harvick removes his helmet after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Danica Patrick displays the flag after winning the pole during qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. Patrick won the pole, becoming the first woman to secure the top spot for any Sprint Cup race. (AP Photo/Terry Renna)

Danica Patrick displays the flag after winning the pole during qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. Patrick became the first woman to secure the top spot for any Sprint Cup race. (AP Photo/Terry Renna)

Danica Patrick, left, displays the flag with Tony Stewart after winning the pole during qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. Patrick became the first woman to secure the top spot for any Sprint Cup race. (AP Photo/Terry Renna)

Dancia Patrick, left, and Jeff Gordon talk after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. Patrick won the pole, becoming the first woman to secure the top spot for any Sprint Cup race. (AP Photo/Terry Renna)

Ricky Stenhouse Jr. looks down pit road after his qualifying run for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick displays the award after winning the pole during qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. Patrick became the first woman to secure the top spot for any Sprint Cup race. (AP Photo/Terry Renna)

Ricky Stenhouse Jr. climbs out of his car on pit road after his qualifying run for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Austin Dillon stands by his car on pit road after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Danica Patrick gestures to photographers as she poses by he car after winning the pole during qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Jeff Gordon displays his award for the front row spot after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Danica Patrick climbs out of her car after her qualifying run for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. Patrick won the pole, becoming the first woman to secure the top spot for any Sprint Cup race. (AP Photo/John Raoux)

Brad Keselowski walks away from his car on pit road after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick tras completar la clasificación a la carrera Daytona 500 el domingo 17 de febrero de 2010. Patrick obtuvo la pole position y se convirtió en la primera mujer que larga en el primer lugar de una carrera por la Copa Sprint. (AP Foto/Terry Renna)

Sprint Cup Series driver Danika Patrick, left, talks to fellow driver, Jeff Gordon in the garage area following NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Jamie McMurray (1)drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

A private jet belonging to driver Greg Biffle's leaves the Daytona Beech airport during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Jimmie Johnson (48) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Regan Smith (51) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Marcos Ambrose (9) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Danica Patrick (10) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Kasey Kahne (5) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Kasey Kahne signs autographs in the garage area during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Danika Patrick in the garage area following NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Danika Patrick, left, and her crew chief, Tony Gibson hug in the garage area following NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Ricky Stenhouse Jr. (17) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver JJ Yeley (36) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Tony Stewart (14) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Casey Mears (13) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Martin Truex Jr. (56) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver David Ragan (34) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Kevin Harvick (29) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Ryan Newman (39) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Trevor Bayne (21) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Jeff Gordon (24) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Brad Keselowski (2) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Jeff Gordon (24) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Danika Patrick in the garage area following NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Danica Patrick (10) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Joey Logano (22) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Brian Keselowski (52) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Greg Biffle (16) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Carl Edwards (99) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Matt Kenseth (20) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Kurt Busch (78) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Michael McDowell (98) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Dale Earnhardt Jr. (88) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver David Reutimann (83) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

The Goodyear Blimp flies over turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Joe Nemechek (87) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Jeff Burton (31) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Austin Dillon (33) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Sprint Cup Series driver Terry Labonte (32) drives through turn four during NASCAR Sprint Cup Series qualifying for the Daytona 500 auto race in Daytona Beach, Fla., on Sunday, Feb. 17, 2013. (AP Photo/Reinhold Matay)

Danica Patrick drives in her qualifying run for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Ryan Newman walks down pit road during qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick climbs out of her car after her qualifying run for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick climbs out of her car after her qualifying run for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick removes her helmet after her qualifying run for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick removes her helmet after her qualifying run for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick removes her helmet after her qualifying run for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick removes her ear plugs after her qualifying run for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick's helmet is seen on the roof of her car after her qualifying run for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick stands by her car after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick stands by her car after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick, center, meets with reporters after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick, center, meets with reporters after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Race fans watch NASCAR Sprint Cup Series practice Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. Drives will attempt to qualify on Thursday for Sunday's running of the Daytona 500. (AP Photo/Chris O'Meara)

Daytona 500 pole sitter Danica Patrick, center, signs autographs for fans in the garage area during NASCAR Sprint Cup Series auto racing practice Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Race fans watch NASCAR Sprint Cup Series auto racing practice Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. Drives will attempt to qualify on Thursday for Sunday's running of the Daytona 500. (AP Photo/Chris O'Meara)

Austin Dillon looks out of the garage during practice for the Daytona 500 NASCAR Sprint Cup Series auto race Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Daytona 500 pole sitter Danica Patrick climbs out of her car after a Daytona 500 NASCAR Sprint Cup Series auto race practice Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Daytona 500 pole sitter Danica Patrick climbs out of her car after practice for the Daytona 500 NASCAR Sprint Cup Series auto race Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Daytona 500 pole sitter Danica Patrick frowns after getting out of her car during a NASCAR Sprint Cup Series auto race practice at the Daytona International Speedway Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Mark Martin, left, and Jeff Gordon talk in the garage while crew members repair damage to Martin's car during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Joey Logano stands by his car while crew members make adjustments during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Daytona 500 pole sitter Danica Patrick, right, talks to crew members, including crew chief Tony Gibson, center, after a NASCAR Sprint Cup Series auto race practice Wednesday, Feb. 20, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Juan Pablo Montoya, left, of Colombia, talks to a crew member after a Daytona 500 NASCAR Sprint Cup Series auto race practice Wednesday, Feb. 20, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Ricky Stenhouse Jr. returns to his garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Jeff Gordon, left, and Dale Earnhardt Jr., talk outside the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Clint Boywer talks to Jimmie Johnson, not shown, in his car in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Dale Earnhardt Jr., crosses the start/finish line during a Daytona 500 NASCAR Spring Cup Series auto race practice Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Dale Earnhardt Jr. watches as his crew gets his car ready in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Tony Stewart climbs in his car preparing to go out on the track during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Kevin Harvick stands by his car before going out on the track during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Ricky Stenhouse Jr. waits in his garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Daytona 500 pole sitter Danica Patrick during a Daytona 500 NASCAR Sprint Cup Series auto race practice Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Drivers, Tony Stewart (14), Kasey Kahne (5), and Martin Truex Jr., (56) run, during a Daytona 500 NASCAR Sprint Cup Series auto race practice Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Ricky Stenhouse Jr., runs during a Daytona 500 NASCAR Sprint Cup Series auto race practice Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

David Reutimann runs during a Daytona 500 NASCAR Sprint Cup Series auto race practiceWednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Michael Waltrip during a Daytona 500 NASCAR Sprint Cup Series auto race practice Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Juan Pablo Montoya (42) and Greg Biffle (16) run during a Daytona 500 NASCAR Sprint Cup Series auto race practiceWednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Daytona 500 pole sitter Danica Patrick, right, talks to crew members, including crew chief Tony Gibson, during a Daytona 500 NASCAR Sprint Cup Series auto race practice Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Juan Pablo Montoya, of Colombia, during a Daytona 500 NASCAR Sprint Cup Series auto race practice Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Kasey Kahne runs during a Daytona 500 NASCAR Sprint Cup Series auto race practice Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Tony Stewart drives out on the track during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Brad Keselokski walks through his garage as his crew makes repairs during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Kyle Busch stands inside his garage waiting to go out on the track during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Ricky Stenhouse Jr. waits in his car while his crew makes adjustments before going back out on the track during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Marcos Ambrose, of Australia, leans on a pile of tires during a Daytona 500 NASCAR Sprint Cup Series auto race practice Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Jamie McMurray smiles during a Daytona 500 NASCAR Sprint Cup Series auto race practice Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Joey Logano smiles as he talks to crew members during a Daytona 500 NASCAR Sprint Cup Series auto race practice Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Dale Earnhardt Jr., talks to crew members during a Daytona 500 NASCAR Sprint Cup Series auto race practice, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Jeff Burton walks to his car during a Daytona 500 NASCAR Sprint Cup Series auto race practiceWednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Dale Earnhardt Jr. watches members of the crew work on his car during practice for the Daytona 500 NASCAR Sprint Cup Series auto race, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Brad Keselowski, right, talks to crew chief Paul Wolfe in the garage during practice for the Daytona 500 NASCAR Sprint Cup Series auto race Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Jimmie Johnson carries boxes back to his hauler after practice for the NASCAR Daytona 500 NASCAR auto race, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Denny Hamlin waits in his garage next to his car during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Jimmie Johnson drives out to the track during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Michael Waltrip drives out to the track during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Carl Edward's crew pushes his car through the garage area after it was damaged in a wreck during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Tony Stewart prepares to go out on the track during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Jeff Gordon covers his ears as cars rev their engines in the garages during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Tony Stewart waits in his car before going out on the track during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Denny Hamlin waits in his garage next to his car during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Ricky Stenhouse Jr., in his garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla.(AP Photo/John Raoux)

Jeff Burton in his garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Ricky Stenhouse Jr. in his garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Tony Stewart prepares to go out on the track during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Brad Keselowski in his garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Danica Patrick's crew pushes her car to pit road during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Brad Keselowski drives out to the track during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Brad Keselowski heads out to the track during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Ricky Stenhouse Jr., in his garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla.(AP Photo/John Raoux)

Brad Keselowski in his garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Kevin Harvick takes a break in his garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Ricky Stenhouse Jr.'s crew pushes his car to the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Michael Waltrip in his garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Danic Patrick's crew pushes heer car through the garages during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Wednesday, Feb. 20, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Crew members push Daytona 500 pole sitter Danica Patrick's car back to their garage after inspection during a practice session for the Daytona 500 NASCAR Sprint Cup Series auto race Friday, Feb. 22, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Danica Patrick walks to her hauler in the garage area during a practice session for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Friday, Feb. 22, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick, center, walks to her hauler in the garage area during a practice session for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Friday, Feb. 22, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

ADVANCE FOR WEEKEND EDITIONS, FEB. 23-24 - FILE - In this Feb. 20, 2013, file photo, driver Dale Earnhardt Jr. watches as his crew gets his car ready in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla. It was the benching heard around the sports world. Earnhardt was taking himself out of the game after he suffered multiple concussions. NASCAR took it a step further when it suggested all drivers get a baseline test with the idea that it will become mandatory in 2014. (AP Photo/John Raoux, File)

Trevor Bayne gets ready for a run during a practice for the Daytona 500 NASCAR Sprint Cup Series auto race Friday, Feb. 22, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Daytona 500 pole sitter Danica Patrick, left, talks to Joe Nemechek after a practice for the Daytona 500 NASCAR Sprint Cup Series auto race Friday, Feb. 22, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Scott Speed gets ready to run during a practice for the Daytona 500 NASCAR Sprint Cup Series auto race Friday, Feb. 22, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Bobby Labonte waits in his garage during a practice session for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Friday, Feb. 22, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Joe Nemechek gets ready to climb into his car during a practice for the Daytona 500 NASCAR Sprint Cup Series auto race Friday, Feb. 22, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Daytona 500 pole sitter Danica Patrick, left, talks to Joe Nemechek after a practice for the Daytona 500 NASCAR Sprint Cup Series auto race Friday, Feb. 22, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Daytona 500 pole sitter Danica Patrick, right, talks to a crew member after a practice for the Daytona 500 NASCAR Sprint Cup Series auto race Friday, Feb. 22, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Daytona 500 pole sitter Danica Patrick, right, talks to crew chief Tony Gibson during a practice for the Daytona 500 NASCAR Sprint Cup Series auto race Friday, Feb. 22, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Danica Patrick sits in her car waiting to practice for the Daytona 500 NASCAR Sprint Cup Series auto race Friday, Feb. 22, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Tony Stewart waits in his car in his garage before going out on the track during a practice session for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Friday, Feb. 22, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Daytona International Speedway president Joie Chitwood during a news conference for the Daytona 500 NASCAR Sprint Cup Series auto race Friday, Feb. 22, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Daytona International Speedway president Joie Chitwood III during a news conference for the Daytona 500 NASCAR Sprint Cup Series auto race Friday, Feb. 22, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Greg Biffle, right, watches as his crew works on the car during a practice for the Daytona 500 NASCAR Sprint Cup Series auto race Friday, Feb. 22, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Ricky Stenhouse Jr., sits in the car during a practice for the Daytona 500 NASCAR Sprint Cup Series auto race Friday, Feb. 22, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Greg Biffle, right, watches as his crew works on the car during a practice for the Daytona 500 NASCAR Sprint Cup Series auto race Friday, Feb. 22, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Ricky Stenhouse Jr. looks over his car in his garage during a practice session for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Friday, Feb. 22, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Carl Edwards walks from his garage after a practice session for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Friday, Feb. 22, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Jeff Gordon laughs with crew members in his garage after a practice session for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Friday, Feb. 22, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

A mural of Martin Truex Jr.'s car is seen being carried through the garage area during a practice session for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Friday, Feb. 22, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Jeff Gordon, left, signs autographs for fans in the garage area after a practice session for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Friday, Feb. 22, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Brad Keselowski (2) drives to the track through the garages during a practice session for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Friday, Feb. 22, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Richard Petty, front, and Postmaster General of the United States Patrick Donahoe, sign copies of the "Muscle Car Forever" stamps, Friday, Feb. 22, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Postmaster General Patrick Donahoe and former driver Richard Petty, right, hold copies of the new "Muscle Car Forever" stamps, Friday, Feb. 22, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

A crew member of driver Scott Speed holds a gas can as fellow crew members work on the car during a practice for the Daytona 500 NASCAR Sprint Cup Series auto race Friday, Feb. 22, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Jimmie Johnson sits in his car while crew members work during a practice for the Daytona 500 NASCAR Sprint Cup Series auto race, Friday, Feb. 22, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Carl Edwards looks over his car in the garage during a practice session for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Friday, Feb. 22, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Darrell Wallace Jr. walks to his truck before qualifying for the NextEra Energy Resources 250 NASCAR truck race at Daytona International Speedway, Friday, Feb. 22, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrcik drives to her garage during a practice session for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Friday, Feb. 22, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Denny Hamlin drives to the track during a practice session for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Friday, Feb. 22, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Jeff Gordon stands outside his garage during a practice session for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Friday, Feb. 22, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Tony Stewart stands in his garage after a practice session for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Friday, Feb. 22, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick removes her ear plugs after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Jimmie Johnson talks with a crew member after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Danica Patrick stands by her car on pit road after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Danica Patrick stands on pit road after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Ricky Stenhouse Jr., left, and Marcos Ambrose talk outside the garages during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 23, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Carl Edwards walks though his garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 23, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Juan Pablo Montoya, of Colombia, waits in his garage before going out on the track during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 23, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Daytona 500 pole sitter Danica Patrick takes a photo of some of her fans in the garage area during a NASCAR Sprint Cup Series auto racing practice Saturday, Feb. 23, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Dale Earnhardt Jr., left, and Brad Keselowski walk through the garage area during a NASCAR Sprint Cup Series auto racing practice Saturday, Feb. 23, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Daytona 500 pole sitter Danica Patrick takes a photo of some of her fans in the garage area during a NASCAR Sprint Cup Series auto racing practice Saturday, Feb. 23, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Daytona 500 pole sitter Danica Patrick walks through the garage area during a NASCAR Sprint Cup Series auto racing practice Saturday, Feb. 23, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Michael Waltrip's raing helmet, honoring Richard Petty, during a NASCAR Sprint Cup Series auto racing practice Saturday, Feb. 23, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Danica Patrick puts on her racing shoes during a NASCAR Sprint Cup Series auto racing practice Saturday, Feb. 23, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Juan Pablo Montoya, of Colombia, drives to his garage from the track during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 23, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Ricky Stenhouse Jr. talks with crew members in his garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 23, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Kurt Busch prepares before going out on the track during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 23, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Michael Waltrip reacts as he gets out of his car during practice for the NASCAR Sprint Cup Series Daytona 500 auto race Saturday, Feb. 23, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Scott Speed, right, helps a crew member put a new sponsor on his car during practice for the NASCAR Sprint Cup Series Daytona 500 auto race Saturday, Feb. 23, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Danica Patrick looks out of the garage during practice for the NASCAR Sprint Cup Series Daytona 500 auto race Saturday, Feb. 23, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Michael Waltrip, right, gestures as he talks to Michael McDowell in the garage area during practice for the NASCAR Sprint Cup Series Daytona 500 auto race Saturday, Feb. 23, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Juan Pablo Montoya, of Colombia, talks with crew members in his garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 23, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Brad Keselowski looks out of the garage while crew members work on his car during a NASCAR Sprint Cup Series auto racing practice Saturday, Feb. 23, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Ricky Stenhouse Jr. signs an autograph for fans during a NASCAR Sprint Cup Series auto racing practice Saturday, Feb. 23, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Brad Keselowski looks out of the garage while crew members work on his car during practice for the NASCAR Sprint Cup Series Daytona 500 auto race Saturday, Feb. 23, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Ricky Stenhouse Jr. signs an autograph for fans during practice for the NASCAR Sprint Cup Series Daytona 500 auto race Saturday, Feb. 23, 2013, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Juan Pablo Montoya, of Colombia, drives from his garage from the track during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 23, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Brad Keselowski drives to the track from his garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 23, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Greg Biffle prepares to exit his garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 23, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Daytona International Speedway president Joie Chitwood III speaks during a news conference before the start of the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. Several spectators were injured when a car crashed into the catch fence during the Nationwide Series auto race on Saturday sending debris into the grandstand. (AP Photo/Terry Renna)

Daytona 500 honorary grand marshall, actor James Franco, before the start of the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Daytona 500 honorary grand marshall, actor, James Franco, before the start of the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Reality TV show actor Willie Robertson, of Duck Dynasty, before the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

The stars of the reality TV show, Duck Dynasty, from left, Kay Robertson, Willie Robertson, and Korie Robertson, before the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Wilie Robertson, left, and Korie Robertson, of the reality TV show, Duck Dynasty, before the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

The stars of the reality TV show Duck Dynasty, from left, Kay Robertson, Willie Robertson, and Korie Robertson, before the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Wilie Robertson, left, and Korie Robertson, of the reality TV show, Duck Dynasty, before the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

The stars of the reality TV show, Duck Dynasty, from left, Kay Robertson, Willie Robertson, and Korie Robertson, before the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Korie Robertson, of the Duck Dynasty reality TV show, before the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Daytona International Speedway president Joie Chitwood III speaks during a news conference before the start of the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at the Daytona International Speedway in Daytona Beach, Fla. Several spectators were injured when a car crashed into the catch fence during the Nationwide Series auto race on Saturday sending debris into the grandstand. (AP Photo/Terry Renna)

Actor James Franco, Honorary Grand Marshall for the NASCAR Daytona 500 Sprint Cup Series auto race answers questions during a news conference at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla.(AP Photo/John Raoux)

Three-time Daytona 500 champion Bobby Allison answers a question during a news conference before the start of the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Daytona International Speedway president Joie Chitwood III speaks during a news conference before the start of the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. Several spectators were injured when a car crashed into the catch fence during the Nationwide Series auto race on Saturday sending debris into the grandstand. (AP Photo/Terry Renna)

Actor James Franco, the 2013 Daytona 500 honorary starter, poses the near the winner's trophy before the start of the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Daytona International Speedway president Joie Chitwood III, left, presents musician Zac Brown a guitar during a news conference prior to the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. The Zac Brown band will perform during pre-race ceremonies.(AP Photo/John Raoux)

Former drivers Johnny Rutherford, left, and Bobby Allison pose for photographers at a news conference before the start of the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Car owner Jack Roush walks through the garage area during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Trevor Bayne, left, talks with crew chief Donnie Wingo in the garage before heading out to the track during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Trevor Bayne adjusts his helmet, while sitting in his car, in the garage before heading out to the track during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Austin Dillon sits in his car, in the garage, before heading out to the track during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Austin Dillon sits in his car, in the garage, before heading out to the track during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Austin Dillon sits in his car, in the garage, before heading out to the track during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Austin Dillon sits in his car, in the garage, before heading out to the track during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Austin Dillon sits in his car, in the garage, before heading out to the track during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Drivers take the green flag to the start of the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Tony Stewart greets fans during driver introductions before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick waves to fans as she walks down pit road before the start of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Former NFL player Ray Lewis, second from right, waves the green flag as Danica Patrick (10) and Jeff Gordon (24) lead the pack of racers at the start of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 24, 2013.(AP Photo/Phelan M. Ebenhack)

Jeff Gordon (24) and Danica Patrick (10) lead during early laps of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Danica Patrick (10) and Jeff Gordon (24) lead the pack to start the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

NFL player Ray Lewis, honorary starter of the NASCAR Daytona 500 Sprint Cup Series auto race, answers questions during a press conference at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

NFL player Ray Lewis gives the thumbs up to fans as he is introduced as the honorary starter of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Danica Patrick, center, prepares to get in her car before the start of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Former Baltimore Ravens linebacker Ray Lewis waves the green to start of the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

NFL player Ray Lewis, honorary starter of the NASCAR Daytona 500 Sprint Cup Series auto race, walks along pit road at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick, front left,and Jeff Gordon, front right, leads the pack to start the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/David Graham)

NFL player Ray Lewis, right, honorary starter of the NASCAR Daytona 500 Sprint Cup Series auto race, shakes hands with a crew member as he walks through the garages at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Juan Pablo Montoya (42) and Kevin Harvick (29) get tangled up going in to turn 1 after a multi-car crash started on the front stretch in the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/David Graham)

Ricky Stenhouse Jr. climbs in his car before the start of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Safety cones sit on the remains of beams, which were destroyed the previous day, before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 24, 2013. Kyle Larson's car hit the wall and fence, sending debris into the stands, during the Nationwide Series auto race on Saturday. (AP Photo/Phelan M. Ebenhack)

Austin Dillon, front, and Juan Pablo Montoya greet fans during driver introductions before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Jimmie Johnson pits for tires and fuel during the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/David Graham)

Jeff Gordon has some trash in the grill on the front of his car during the start of the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Danica Patrick pits for fuel and tires during the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/David Graham)

Former Baltimore Ravens linebacker Ray Lewis waves the green to start of the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Drivers take the green flag at the start of the Daytona 500 NASCAR Sprint Cup Series auto race, Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Brad Keselowski pits for fuel and tires during the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/David Graham)

Zac Brown performs with his band before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Denny Hamlin (11) competes in the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Zac Brown performs with his band before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Juan Pablo Montoya (42) and Kevin Harvick (29) collide while going into Turn 1 during the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 24, 2013. (AP Photo/Phelan M. Ebenhack)

ADVANCE FOR WEEKEND EDITIONS, FEB. 23-24 - FILE - In this Feb. 17, 2013, file photo, Danica Patrick stands by her car on pit road after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla. Patrick became the first woman to win a pole at NASCAR's highest level when she earned the top starting spot for the season-opening Daytona 500 on Sunday, when the new Gen-6 race car will get its first big test. (AP Photo/Terry Renna, File)

Zac Brown Band performs before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick competes during NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Danica Patrick cross the start/finish line to take the lead shortly before the halfway point of the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Trevor Bayne (21), Carl Edwards (99), David Gilliland (38), Terry Labonte (32), David Ragan (34) and Ricky Stenhouse Jr. (17) collide between Turn 1 and Turn 2 as Jeff Gordon (24) and Marcos Ambrose (9) drive by during the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 24, 2013. (AP Photo/Phelan M. Ebenhack)

Carl Edwards (99) and Trevor Bayne (21) go sideways during a multi-car crash including David Gilliland (38), Terry Labonte (32), David Ragan (34) and Ricky Stenhouse Jr., (17) during the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. Marcos Ambrose (9) goes low to avoid the crash. (AP Photo/Jim Topper)

Trevor Bayne (21) spins in Turn 1 as Brad Keselowski (2) hits the apron and Carl Edwards (99), Scott Speed (95), Josh Wise (35) and Austin Dillon (33) try to avoid them during the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 24, 2013. (AP Photo/Phelan M. Ebenhack)

Jimmie Johnson crosses the finish line to win the Daytona 500 NASCAR Sprint Cup Series auto race, Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Jimmie Johnson performs a burnout after winning the Daytona 500 NASCAR Sprint Cup Series auto race, Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Jimmie Johnson celebrates after winning the Daytona 500 NASCAR Sprint Cup Series auto race, Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Jimmie Johnson celebrates after winning the Daytona 500 NASCAR Sprint Cup Series auto race, Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Jimmie Johnson celebrates after winning the Daytona 500 NASCAR Sprint Cup Series auto race, Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Jimmie Johnson (48) leads Dale Earnhardt Jr., (88) and Mark Martin (55) to the checkered flag to win the Daytona 500 NASCAR Sprint Cup Series auto race, Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/David Graham)

Jimmie Johnson celebrates in Victory Lane after winning the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Jimmie Johnson celebrates in Victory Lane after winning the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Jimmie Johnson holds up his trophy next to his wife Chandra, right, after winning the Daytona 500 NASCAR Sprint Cup Series auto race, Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Jimmie Johnson greets his wife, Chandra, and daughter, Genevieve Marie, after winning the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Jimmie Johnson celebrates in Victory Lane after winning the NASCAR Daytona 500 auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Jimmie Johnson, left, is congratulated by car owner Rick Hendrick in Victory Lane after winning the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Jimmie Johnson holds up the trophy alongside his wife Chandra and daughter Genevieve Marie in Victory Lane after winning the Daytona 500 NASCAR Sprint Cup Series auto race, Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Jimmie Johnson celebrates after winning the Daytona 500 NASCAR Sprint Cup Series auto race, Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/David Graham)

Daytona International Speedway president Joie Chitwood III, left, helps Jimmie Johnson with the trophy Johnson won the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. At right are Johnson's wife, Chandra, and daughter, Genevieve Marie. (AP Photo/Terry Renna)

Jimmie Johnson presume el trofeo de la Daytona 500 junto a su esposa, Chandra, y su hija, Genevieve Marie, luego de vencer el domingo 24 de febrero de 2013. (Foto AP/Terry Renna)

Jimmie Johnson sends grass flying as he celebrates after winning the Daytona 500 NASCAR Sprint Cup Series auto race, Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Jimmie Johnson sends grass flying as he celebrates his win in the Daytona 500 NASCAR Sprint Cup Series auto race, Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Danica Patrick, centro, se alista para abordar su carro y competir en la Daytona 500 el domingo 24 de febrero de 2013. Patrick terminó octava, que es el mejor lugar que ha obtenido una mujer en la famosa carrera. (Foto AP/Terry Renna)

Jimmie Johnson loses part of his car as he celebrates after winning the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Jimmie Johnson, right, holds up the trophy next to owner Rick Hendrick, left, in Victory Lane after winning the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Jimmie Johnson holds up the trophy in Victory Lane after winning the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Jimmie Johnson (48) competes with Brad Keselowski (2) during late stages of the Daytona 500 NASCAR Sprint Cup Series auto race, Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. Johnson won the race. (AP Photo/Chris O'Meara)

Jimmie Johnson's crew celebrate on pit row after Johnson won the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 24, 2013. (AP Photo/Phelan M. Ebenhack)

Jimmie Johnson (48) performs a burnout after winning the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 24, 2013. (AP Photo/Phelan M. Ebenhack)

Jimmie Johnson, center, celebrates in Victory Lane after winning the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 24, 2013. (AP Photo/Phelan M. Ebenhack)

Members of Jimmie Johnson's crew celebrate on pit road after he crossed the finish line to win the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/Reinhold Matay)

Dale Earnhardt Jr., waves to fans during driver introductions before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Jimmie Johnson (48) leads a pack of racers to the finish line on the final lap of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 24, 2013. Johnson won the race. (AP Photo/Phelan M. Ebenhack)

Jimmie Johnson sticks his foot in cement after winning the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Jimmie Johnson poses for photos after winning the Daytona 500 NASCAR Sprint Cup Series auto race, Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Baltimore Ravens linebacker Ray Lewis waves the green flag to the start the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Baltimore Ravens linebacker Ray Lewis waves the green flag to start the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

A race fan who identified himself as "Tony Nascar" poses for a photo before the Daytona 500 auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Driver Trevor Bayne adjusts his helmet, while sitting in his car, in the garage before heading out to the track during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Trevor Bayne, right, talks with his interior mechanic Roger Fenwick in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Trevor Bayne signs autographs for fans reaching through a window in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Trevor Bayne signs autographs for fans reaching through a window in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Trevor Bayne, left, looks over his car with crew chief Donnie Wingo in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Baltimore Ravens linebacker Ray Lewis waves the green flag to start the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Baltimore Ravens linebacker Ray Lewis waves the green flag to start of the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Baltimore Ravens linebacker Ray Lewis waves the green flag to start of the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Jimmie Johnson, center, is covered in confetti in victory lane after winning the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 24, 2013.(AP Photo/Phelan M. Ebenhack)

Juan Pablo Montoya (42), second from left, and Kevin Harvick, center, collide while going into Turn 1 during the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 24, 2013.(AP Photo/Phelan M. Ebenhack)

Jimmie Johnson during the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Jimmie Johnson during the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Jimmie Johnson during the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Jimmie Johnson (48) battles with Jeff Gordon (24) and Mark Martin (55) during the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Jimmie Johnson (48) and Brad Keselowski (2) race during the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Greg Biffle (16) leads Danica Patrick (10)during the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Danica Patrick (10) leads Jeff Gordon down pit road during the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Baltimore Ravens linebacker Ray Lewis, right, talks to Jimmie Johnson, winner of the Daytona 500 NASCAR Sprint Cup Series auto race, Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Dennis Audet, right, of Daytona Beach, Fla., sits in the seat where a tire hit a spectator the previous day, during a Nationwide Series auto race, as he waits for the start of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 24, 2013. Kyle Larson's car hit the wall and fence, sending debris into the stands. Sitting next to Audet are Rick Barasso, second from right, and Tony Barasso, both of Tampa, Fla.(AP Photo/Phelan M. Ebenhack)

Baltimore Ravens linebacker Ray Lewis, second from right, poses with Rick Hendrick, left, Jimmie Johnson, second from left, and Chad Knaus, right, after Johnson won the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Baltimore Ravens linebacker Ray Lewis shares a laugh with car owner Rick Hendrick after Jimmie Johnson won the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Danica Patrick's father T.J. watches during the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Danica Patrick's father T.J. watches during the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Ginger Williamson, center, of Ruidoso, N.M., and her husband, Curtis Williamson, right, cheer during pre-race activities before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 24, 2013.(AP Photo/Phelan M. Ebenhack)

Natasha Day, left, of Freehold, N.J., watches pre-race activities from the track along the front grandstands before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 24, 2013.(AP Photo/Phelan M. Ebenhack)

NFL player Ray Lewis, left, honorary starter of the NASCAR Daytona 500 Sprint Cup Series auto race greets a fan as he walks through the garages before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

NFL player Ray Lewis, right, honorary starter of the NASCAR Daytona 500 Sprint Cup Series auto race speaks during a news conference before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

NFL player Ray Lewis, right, honorary starter of the NASCAR Daytona 500 Sprint Cup Series auto race speaks during a news conference before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

NFL player Ray Lewis, left, honorary starter of the NASCAR Daytona 500 Sprint Cup Series auto race speaks to crew members before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

NFL player Ray Lewis, left, honorary starter of the NASCAR Daytona 500 Sprint Cup Series auto race signs an autograph for a fan as he walks through the garages before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

NFL player Ray Lewis, right, honorary starter of the NASCAR Daytona 500 Sprint Cup Series auto race speaks during a news conference before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

NFL player Ray Lewis, honorary starter of the NASCAR Daytona 500 Sprint Cup Series auto race, greets fans as he is introduced before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

NFL player Ray Lewis, honorary starter of the NASCAR Daytona 500 Sprint Cup Series auto race, greets fans as he is introduced before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

NFL player Ray Lewis, right, honorary starter of the NASCAR Daytona 500 Sprint Cup Series auto race speaks during a news conference before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

NFL player Ray Lewis, right, honorary starter of the NASCAR Daytona 500 Sprint Cup Series auto race speaks during a news conference before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

NFL player Ray Lewis, right, honorary starter of the NASCAR Daytona 500 Sprint Cup Series auto race speaks during a news conference before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

NFL player Ray Lewis, right, honorary starter of the NASCAR Daytona 500 Sprint Cup Series auto race speaks during a news conference before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

The lineup of drivers stand on a stage in front of spectators, in the infield of the track, during driver introductions prior to the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 24, 2013.(AP Photo/Phelan M. Ebenhack)

Zac Brown performs before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Zac Brown performs before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Zac Brown performs for fans before the start of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Zac Brown performs for fans before the start of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Zac Brown performs for fans before the start of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Driver Danica Patrick, center, fist-bumps a spectator while driving around the track during driver introductions prior to the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 24, 2013.(AP Photo/Phelan M. Ebenhack)

Jimmie Johnson kisses his daughter Genevieve Marie in Victory Lane after winning the Daytona 500 NASCAR Sprint Cup Series auto race, Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

Jimmie Johnson and crew chief Chad Knaus wear Daytona 500 rings after winning the Daytona 500 NASCAR Sprint Cup Series auto race Sunday, Feb. 24, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Terry Renna)

FILE - In this Feb. 24, 2013 file photo, Jimmie Johnson, left, and crew chief Chad Knaus wear Daytona 500 rings after winning the Daytona 500 NASCAR Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla. It was important to Johnson to win a Daytona 500 with crew chief Chad Knaus there. (AP Photo/Terry Renna, File)

Michael Waltrip waves to fans during driver introductions before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Trevor Bayne waves to fans during driver introductions before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Dale Earnhardt Jr. waves to fans during driver introductions before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Joey Logano waves to fans during driver introductions before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Brad Keselowski waves to fans during driver introductions before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Tony Stewart waves to fans during driver introductions before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Dale Earnhardt Jr. arrives on pit road prior to the start of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Paul Menard, left, and Kevin Harvick arrive on pit road prior to the start of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Jeff Gordon, left, and Mark Martin arrive on pit road prior to the start of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Jimmie Johnson arrives on pit road prior to the start of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick arrives on pit road prior to the start of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick arrives on pit road prior to the start of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Michael McDowell high fives fans during driver introductions before the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick arrives on pit road prior to the start of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Jimmie Johnson greets fans during driver introductions before theNASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Dale Earnhardt Jr. greets fans during driver introductions before theNASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Danica Patrick greets fans during driver introductions before theNASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Jeff Gordon greets fans during driver introductions before theNASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

The infield at Daytona International Speedway is seen during pre-race activities at NASCAR Daytona 500 Sprint Cup Series auto race, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/David Graham)

Danica Patrick, front left, leads the start of the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/David Graham)

Mark Martin, front, and Tony Stewart greet fans during driver introductions before theNASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Dale Earnhardt Jr. pits for fuel during the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/David Graham)

Danica Patrick greets fans during driver introductions before theNASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

Kevin Harvick greets fans during driver introductions before theNASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

On lap 90, Danica Patrick crosses the start-finish line to be the first women ever to lead a lap in the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 24, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

Jimmie Johnson (48) takes the checkered flag as he crosses the finish line to win the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 24, 2013. (AP Photo/Phelan M. Ebenhack)

Driver Austin Dillon walks to his hauler during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Fans watch from above the garages as Jeff Gordon (24) makes his way through the area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Crew members push the Ricky Stenhouse Jr. car through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Fans watch from above the garages as Kyle Busch (18) makes his way through the area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Michael McDowell walks through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Casey Mears, left, stands in the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Travis Kvapil stands in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Danica Patrick, left, talks to a member of her team in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Travis Kvapil stands in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Crew members make adjustments to Michael Waltrip's car during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Michael Waltrip, left, stands in the garage as his crew make adjustments to his car during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Michael Waltrip, left, stands in the garage as his crew make adjustments to his car during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Kyle Busch enters pit row as a remote television camera records the action, while gliding on guide wires strung across the front stretch of Daytona International Speedway, during practice for the NASCAR Daytona 500 Sprint Cup Series auto race in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Austin Dillon walks to his hauler during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Danica Patrick, left, talks to a member of her team in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Danica Patrick, left, shares a laugh with a member of her team in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Car owner Richard Childress walks through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Fans watch from above the garages as Matt Kenseth (20) makes his way through the area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Trevor Bayne talks to a member of his team, while getting into his car, in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Danica Patrick, left, talks to a member of her team in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Austin Dillon walks to his hauler during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Trevor Bayne gets into his car, in the garage, during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Car owner Richard Childress walks through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Car owner Richard Childress walks through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Fans watch from above the garages as Kyle Busch (18) makes his way through the area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Dave Blaney walks through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Austin Dillon walks to his hauler during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Kyle Busch (18) makes his way through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Scott Speed leaves his hauler during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Dale Earnhardt Jr. watches his crew make adjustments to his car in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Joey Logano sits in his car in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Danica Patrick's helmet sits on top of her car in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Kasey Kahne (5) makes his way through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Danica Patrick's helmet sits on top of her car in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Denny Hamlin (11) makes his way through the garage area after exiting the track during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Dale Earnhardt Jr. watches his crew make adjustments to his car in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Danica Patrick, right, signs an autograph for a fan while walking through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Danica Patrick watches while her crew makes adjustments to her car in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Danica Patrick makes her way through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Danica Patrick leaves her hauler during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Jimmie Johnson (48) makes his way through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Danica Patrick (10) makes her way through the garage area after leaving the track during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Dale Earnhardt Jr. (88) makes his way through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Danica Patrick, center, talks to crew chief Tony Gibson, left, in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Mark Martin makes his way through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Joey Logano sits in his car in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Mike Bliss (19) makes his way through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Jeff Gordon (24) makes his way through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Dale Earnhardt Jr. (88) makes his way through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

NASCAR president Mike Helton walk through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Danica Patrick, right, signs an autograph for a fan while walking through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Danica Patrick leaves her hauler during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Joey Logano sits in his car in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Aric Almirola, left, waves to fans as Kevin Harvick (29) makes his way through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Joey Logano, right, talks to a crew member in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Dale Earnhardt Jr., left, makes his way through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Mike Bliss (19) makes his way through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Dale Earnhardt Jr. (88) makes his way through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver David Ragan walks through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Michael Waltrip makes his way through garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Aric Almirola, center, talks to his crew members in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Jimmie Johnson (48) makes his way through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Danica Patrick, center, talks to crew chief Tony Gibson, left, in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Dale Earnhardt Jr. watches his crew make adjustments to his car in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Austin Dillon, left, watches the crew make adjustments to his car in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Crew members work on the Michael Waltrip car in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Denny Hamlin (11) stands outside the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Austin Dillon stands next to his car in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Austin Dillon, left, talks to car owner Richard Childress in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Denny Hamlin (11) talks with Marcos Ambrose, left, outside the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Car owner Richard Childress walks to the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Denny Hamlin (11) stands outside the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Trevor Bayne (21) stands in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Jamie McMurray, left, watches as the crew makes adjustments to his car in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Jamie McMurray (1) exits the track and heads to the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Marcos Ambrose stands in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Scott Speed (95) drives through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Trevor Bayne (21) stands in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Trevor Bayne walks through the garage area during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Denny Hamlin (11) stands outside the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Denny Hamlin (11) talks with Marcos Ambrose, left, outside the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Kyle Busch is interviewed in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Austin Dillon stands next to his car in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Denny Hamlin (11) stands outside the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Kyle Busch stands in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Jamie McMurray sits in his car in the garage during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 16, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Kasey Kahne stands outside the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Kevin Harvick stands in his garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Kasey Kahne stands outside the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Kevin Harvick talks to a reporter in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver David Reutimann (83) watches crew members work on his car in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver David Reutimann (83) watches crew members work on his car in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Kasey Kahne stands outside the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Danica Patrick leaves the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Trevor Bayne watches crew members work on his car in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

A television camera housing sits atop Trevor Bayne's car as he climbs in during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Regan Smith, left, walks through the garage area, followed by owner Jack Roush, during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Car owner Jack Roush walks through the garage area during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Regan Smith, left, walks through the garage area, followed by owner Jack Roush, during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Jamie McMurray stands in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Jamie McMurray leaves the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Jamie McMurray looks under the hood of his car in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Jamie McMurray looks under the hood of his car in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Car owner Richard Childress, right, talks to driver Paul Menard, center, in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Jamie McMurray sits in his car in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Car owner Richard Childress stands in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Martin Truex Jr., center, talks to crew members in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Martin Truex Jr., center, talks to crew members in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver David Reutimann, left, watches as crew members make adjustments to his car in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver David Reutimann gets out of his car as crew members make adjustments in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver David Reutimann, left, watches as crew members make adjustments to his car in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver David Reutimann gets out of his car in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Jeff Burton, right, watches as crew members make adjustments to his car in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Jeff Burton stands outside his garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Jeff Burton stands outside his garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Tires are lined up outside driver Danica Patrick's hauler during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Michael Waltrip talks to fans outside his garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Jamie McMurray talks to crew members in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Jamie McMurray talks to crew members in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Kevin Harvick walks through the garage area during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Aric Almirola, left, gets out of his car after returning from the track during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Kasey Kahne, second from right, talks to a fan while walking through the garage area during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Kasey Kahne, left, signs autographs in the garage area during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Jamie McMurray gets out of his car in the garage during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Aric Almirola gets out of his car after returning from the track during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Kasey Kahne, second from right, talks to a fan while walking through the garage area during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Jeff Burton, left, walks to his hauler during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Juan Pablo Montoya (42) drives through the garage area during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Bobby Labonte (47) drives through the garage area during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Jeff Burton walks to his hauler during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Driver Kevin Harvick, second from left, signs an autograph while walking through the garage area during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

Brad Keselowski (2) drives through the garage area during the final practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 23, 2013.(AP Photo/Phelan M. Ebenhack)

FILE - In this Feb. 16, 2013 file photo, Jamie McMurray walks in his garage as crew members make adjustments to his car during practice for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla. McMurray has no regrets about the way his career has panned out since his 2002 debut. The lessons he's learned about himself and about the people around him have been a fair trade-off for the struggles. (AP Photo/Phelan M. Ebenhack, File)