<prompt> Qedela le nkulumo elandelayo: U-Allison waqala ukuqhudelana emjahweni we-USAC Championship Car Series ngo-1970. Ukushayela iNombolo 83 Greer Eagle 67-Offenhauser ye-Ansted-Thompson Racing e  <response>: Ngo-1970 Indianapolis 500, waphothula 4th futhi wathola 1970 Indianapolis 500 Rookie of the Year Award. Wayengase afike endaweni yama-20 ngamaphuzu, kodwa ngenxa yokuthi wayesebenzisa ilayisensi ye-NASCAR, wayengakwazi ukuthola amaphuzu. Ngo-1971, u-Allison washayela i-No. 84 Purolator Filters Coyote-Ford V8, waqeda endaweni yesithupha emjahweni i-Indianapolis 500. Ubuye waqhudelana emjahweni weRex Mays 150 eMilwaukee State Fairgrounds Speedway, eSchaefer 500 ePocono International Raceway, naseCalifornia 500 e-Ontario Motor Speedway, wathatha umhlalaphansi kuzo zombili. U-Allison waphinde wangakwazi ukuthola amaphuzu. 