<prompt> Bhala ukuqhubeka kwalesi sigaba - I - 1964 USAC Championship Car season yayihlanganisa imijaho engu - 13, eyaqala e - Avondale, e - Arizona ngo - March 22 yaphetha endaweni efanayo ngo - November 22. Kwakukhona nomcimbi owodwa ongewona owomqhudelwano ePikes Peak, eColorado. Umpetha we-USAC National futhi owawina i-Indianapolis 500 kwakungu-A. J. Foyt. E-Indianapolis emjahweni wamamayela angu-800  <response>: Umjaho u-Eddie Sachs noDave MacDonald babulawa phakathi ne-lap 2 lomjaho; uSachs wayeneminyaka engu-37 ubudala, kanti uMacDonald wayeneminyaka engu-27. Esikhumbuzweni sikaTony Bettenhausen eSpringfield, uBill Horstmeyer washona phakathi nomjaho; wayeneminyaka engu-34 ubudala. NgoNovemba, ezinsukwini ezinhlanu ngemuva kokuphela kwesizini, uBobby Marshman washona engozini yokuhlola e-Phoenix; wayeneminyaka engu-28 ubudala. 