Crew members perform a pit stop for driver Brad Keselowski during the NASCAR Bank of America 500 Sprint Cup series auto race in Concord, N.C., Saturday, Oct. 13, 2012. (AP Photo/Terry Renna)

Associated Press
Crew members perform a pit stop for driver Brad Keselowski during the NASCAR Bank of America 500 Sprint Cup series auto race in Concord, N.C., Saturday, Oct. 13, 2012. (AP Photo/Terry Renna)
Crew members perform a pit stop for driver Brad Keselowski during the NASCAR Bank of America 500 Sprint Cup series auto race in Concord, N.C., Saturday, Oct. 13, 2012. (AP Photo/Terry Renna)