Faatumu le fuaiupu lenei: O le 1955 AAA Championship Car season e aofia ai tuuga e 11, e amata i Speedway, Indiana iā Me 30 ma faaiʻu i Phoenix, Arizona iā Novema 6. E tasi foʻi le taʻamilosaga e leʻi faia i le siamupini i Mechanicsburg, i Pennsylvania. O le AAA National Champion ma le manumalo i le Indianapolis 500 o Bob Sweikert. Na fasiotia Manny Ayulo i Indianapolis a o faia se toleniga mo le
I le 1955 i le Indianapolis 500, na fasiotia ai Bill Vukovich, o lē na manumalo faalua i le tuuga. O Jack McGrath, o le siamupini faalua (1952, 1953), na fasiotia i le tuuga mulimuli i Phoenix i le taamilosaga 85. O le tausaga mulimuli lenei o le AAA National Championship; na faʻatagaina e le USAC le faʻasologa e amata i le tausaga e sosoʻo ai.