<prompt> Bhala ukuqhubeka kwalesi sigaba - Ngo-March 1, 1964, i-United States Road Racing Championship USRRC yabamba imincintiswano emibili yamamayela angu-150 emgwaqweni. UDave MacDonald wanqoba umjaho wokuqala esebenzisa iKing Cobra, uJim Hall waba ngowesibili esebenzisa iChaparral 2A noBob Holbert waba ngowesithathu esebenzisa enye iKing Cobra. UKen Miles noDave MacDonald baqeda ngo-12 emjahweni weCobra Roadsters ntambama. UDave wayezolahlekelwa ukuphila kwakhe ngemva kwamasonto ambalwa emjahweni i-Indy 500  <response>: . futhi. 