Dee ihe ga-eso n'ihe paragraf a na-ekwu - N'afọ 1955, e nwere agbụrụ iri na otu n'asọmpi AAA Championship Car, nke malitere na Speedway, Indiana na Mee 30 ma gwụzie na Phoenix, Arizona na Nọvemba 6. Enwekwara otu asọmpi na-abụghị asọmpi na Mechanicsburg, Pennsylvania. Onye mmeri mba AAA na onye mmeri Indianapolis 500 bụ Bob Sweikert. E gburu Manny Ayulo n'Indianapolis mgbe ọ na-eme ọzụzụ maka Indianapolis 500 nke 1955
, na Bill Vukovich, onye meriri ugboro abụọ, nwụrụ n'ọsọ ahụ. Jack McGrath, onye mmeri ugboro abụọ (1952, 1953), nwụrụ n'ọsọ ikpeazụ na Phoenix na agba nke 85. Nke a bụ afọ ikpeazụ nke AAA National Championship; USAC kwadoro usoro ahụ na-amalite n'afọ na-esote.