<prompt> Pedzisa mutsara unotevera: Allison akatanga kumhanya muUSAC Championship Car Series muna 1970. Kutyaira No. 83 Greer Eagle 67-Offenhauser nokuda kweAnsted-Thompson Racing mu  <response>: 1970 Indianapolis 500, akapedza 4th uye akahwina 1970 Indianapolis 500 Rookie of the Year Award. Angadai akapedza ari wechi20 mumapoinzi, asi nemhaka yokuti akanga achishandisa rezenisi reNASCAR, akanga asingakwanisi kuwana mapoinzi. Muna 1971 Allison akatyaira motokari ine nhamba 84 yePurolator Filters Coyote-Ford V8, achipedza ari wechitanhatu muIndianapolis 500. Akakwikwidzawo muRex Mays 150 paMilwaukee State Fairgrounds Speedway, Schaefer 500 paPocono International Raceway, uye California 500 paOntario Motor Speedway, achirega kubva kune vose. Allison akanga asingachakwanisizve kuwana mapoinzi. 