<prompt> Pedzisa mutsara unotevera: Musi waMarch 1, 1964, United States Road Racing Championship USRRC yakaita makwikwi maviri emakiromita 150 mumugwagwa. Dave MacDonald akakunda mujaho wokutanga ari muKing Cobra, Jim Hall akava wechipiri muChaparral 2A uye Bob Holbert akava wechitatu mune imwe King Cobra. Ken Miles naDave MacDonald vakapedza 12 muCobra Roadsters munhangemutange yemasikati. Dave aizorasikirwa noupenyu hwake mavhiki mashomanene gare gare pa  <response>: Indy 500. 