Johnson has sights set on bigger, better finishes in IndyCar

FILE - In this May 14, 2021, file photo, Jimmie Johnson climbs out of his car following practice for the IndyCar auto race at Indianapolis Motor Speedway in Indianapolis. Johnson is hopeful of testing in August at Homestead-Miami Speedway as part of a path toward running in the Indianapolis 500 in 2022. The seven-time NASCAR champion jumped this season to IndyCar and has competed in seven races for team owner Chip Ganassi. (AP Photo/Darron Cummings, File)

FILE - In this May 15, 2021, file photo, Jimmie Johnson drives through a turn during the IndyCar auto race at Indianapolis Motor Speedway in Indianapolis. Johnson is hopeful of testing in August at Homestead-Miami Speedway as part of a path toward running in the Indianapolis 500 in 2022. The seven-time NASCAR champion jumped this season to IndyCar and has competed in seven races for team owner Chip Ganassi.(AP Photo/Michael Conroy, File)

FILE - In this May 14, 2021, file photo, Jimmie Johnson, right, talks with Dario Franchitti following a practice session for the IndyCar auto race at Indianapolis Motor Speedway in Indianapolis. Johnson is hopeful of testing in August at Homestead-Miami Speedway as part of a path toward running in the Indianapolis 500 in 2022. The seven-time NASCAR champion jumped this season to IndyCar and has competed in seven races for team owner Chip Ganassi. (AP Photo/Darron Cummings, File)

Six-time IndyCar champion Scott Dixon, left, chats with Chip Ganassi Racing teammate Jimmie Johnson before the start of practice of the IndyCar auto race, Friday, Aug. 6, 2021, in Nashville, Tenn. (AP Photo/Dan Gelston)