Pedzisa mutsara unotevera: AAA yakarega kutora rutivi mumitambo yemotokari pakupera kwemwaka wa1955. Iyo yakadudza nhevedzano yetsaona dzakakomba dzakauraya, zvikurukuru Bill Vukovich pa
Indianapolis, uye njodzi yeLe Mans. Makwikwi enyika akatorwa neUnited States Auto Club (USAC), sangano idzva rinobvumidza rakaumbwa nemuridzi wenguva iyoyo weIndianapolis Motor Speedway, Tony Hulman.