Johnson invigorated after stint in prestigious Rolex 24

Race cars speed through the east horseshoe turn during the Rolex 24 hour auto race at Daytona International Speedway, Saturday, Jan. 30, 2021, in Daytona Beach, Fla. (AP Photo/John Raoux)

Tristain Vautier, of France, drives the Cadillac DPi into the east horseshoe turn during the Rolex 24 hour auto race at Daytona International Speedway, Saturday, Jan. 30, 2021, in Daytona Beach, Fla. (AP Photo/John Raoux)

Jimmie Johnson prepares his helmet before getting in his car to start of the Rolex 24 hour auto race at Daytona International Speedway, Saturday, Jan. 30, 2021, in Daytona Beach, Fla. (AP Photo/John Raoux)

Austin Dillon, left, talks with his grandfather Richard Childress on pit road before the start of the Rolex 24 hour auto race at Daytona International Speedway, Saturday, Jan. 30, 2021, in Daytona Beach, Fla. (AP Photo/John Raoux)

Felipe Nasr, far left, of Brazil, leads during the early laps of the Rolex 24 hour auto race at Daytona International Speedway, Saturday, Jan. 30, 2021, in Daytona Beach, Fla. (AP Photo/John Raoux)

In this image taken with a slow shutter speed, cars leave a light streak as they drive through the east horseshoe turn during the Rolex 24 hour auto race at Daytona International Speedway, Saturday, Jan. 30, 2021, in Daytona Beach, Fla. (AP Photo/John Raoux)

Felipe Nasr, far left, of Brazil, leads the field to start of the Rolex 24 hour auto race at Daytona International Speedway, Saturday, Jan. 30, 2021, in Daytona Beach, Fla. (AP Photo/John Raoux)

Cars navigate the infield road course as the sun sets during the Rolex 24 hour auto race at Daytona International Speedway, Saturday, Jan. 30, 2021, in Daytona Beach, Fla. (AP Photo/John Raoux)

Teammates Simon Pagenaud, left, of France, and Jimmie Johnson talk on pit road before the start of the Rolex 24 hour auto race at Daytona International Speedway, Saturday, Jan. 30, 2021, in Daytona Beach, Fla. (AP Photo/John Raoux)

Chase Elliott prepares himself on pit road before the start of the Rolex 24 hour auto race at Daytona International Speedway, Saturday, Jan. 30, 2021, in Daytona Beach, Fla. (AP Photo/John Raoux)

IMSA Series driving team from left, Jimmie Johnson, Kamui Kobayashi, Mike Rockenfeller and Simon Pagenaud gather for a photo before the start of the Rolex 24 hour auto race at Daytona International Speedway, Saturday, Jan. 30, 2021, in Daytona Beach, Fla. (AP Photo/John Raoux)