FILE - In this Feb. 18, 1979, file photo, Bobby Allison, left, stands over Cale Yarborough after a collision between Yarborough and Bobbie's brother Donnie on the last lap of the Daytona 500 auto race in Daytona Beach, Fla. Donnie was leading the race until the collision with Yarborough. The 1979 race was instrumental in broadening NASCAR's southern roots. Forty years later, it still resonates as one of the most important days in NASCAR history. (AP Photo/Ric Feld, File)