<prompt> Bhala ukuqhubeka kwalesi sigaba - URuby wagijima ku-USAC Championship Car series ngezikhathi ze-19581977, nge-177 career eqala, kufaka phakathi i-Indianapolis 500 kusuka ngo-19601977. Wathola izindawo ezingu-88 phakathi kwabayishumi abaphambili, futhi wanqoba eziyisikhombisa. Ukuqeda kwakhe kangcono e-Indy kwaba ngowesithathu, ngo-1964  <response>: . futhi. Ngo-1966, wahola umjaho i-Indy 500 emahlandla angu-68. 