<prompt> Qedela umusho olandelayo: URuby wagijima emjahweni we-USAC Championship Car ngo-1958-1977 izinkathi, nge-177 career eqala, kufaka phakathi i-Indianapolis 500 kusuka ngo-1960-1977. Wathola izindawo ezingu-88 phakathi kwabayishumi abaphambili, futhi wanqoba eziyisikhombisa. Ukuqeda kwakhe kangcono e-Indy kwaba ngowesithathu,  <response>: Ngo-1964. Ngo-1966, wahola umjaho i-Indy 500 emahlandla angu-68. 