 Ramba uchinyora ndima iyi - Mwaka we1957 weUSAC Championship Car wakanga une makwikwi 13, uchitanga muSpeedway, Indiana musi waMay 30 uye uchipedzisa muPhoenix, Arizona musi waNovember 11. Paivawo nemitambo mishanu isiri yemakwikwi. Mukwikwidzi weUSAC National Champion akanga ari Jimmy Bryan uye mukwikwidzi weIndianapolis 500 akanga ari Sam Hanks. Keith Andrews akaurayiwa mutsaona achidzidzira Indianapolis 500; akanga ava nemakore 36. 