Race fans purchase items at a Dale Earnhardt merchandise trailer outside the track at Daytona International Speedway in Daytona Beach, Fla., Friday, Feb. 18, 2011. Earnhardt died 10 years ago today, but his presence still looms large at Daytona International Speedway.(AP Photo/John Raoux)
Brian Keselowski talks to the media during practice for Sunday's NASCAR Daytona 500 auto race at Daytona International Speedway in Daytona Beach, Fla., Friday, Feb. 18, 2011. (AP Photo/Terry Renna)
Dale Earnhardt, Jr., brings his damaged race car into the garage area after a crash during practice for Sunday's NASCAR Daytona 500 auto race at Daytona International Speedway in Daytona Beach, Fla., Wednesday, Feb. 16, 2011. (AP Photo/Lynne Sladky)
Trevor Bayne, center, holds up the trophy in Victory Lane with help from Eddie Wood, left, and Leonard Wood, right, of Wood Brothers Racing, after winning the NASCAR Daytona 500 auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 20, 2011. (AP Photo/John Raoux)
NASCAR driver Dale Earnhardt Jr. after his qualifying run for the Daytona 500 auto race at Daytona International Speedway, Sunday, Feb. 13, 2011, in Daytona Beach, Fla. (AP Photo/Terry Renna)