This Oct. 12, 2010, file photo, shows thirty-three cars driven to victory in the Indianapolis 500 forming the starting grid on the main straight during a photo shoot for the Speedway's 100th anniversary, at the Indianapolis Motor Speedway in Indianapolis. The front row, from right to left, included the 1911 Marmon Wasp, driven by Ray Harroun, the 2010 car driven my Dario Franchitti, and the 1961 roadster driven by A.J. Foyt to win his first of four Indianapolis 500's. (AP Photo/Michael Conroy, File)
