Pedzisa mutsara unotevera: Mwaka we1955 weAAA Championship Car waiva nemakwikwi 11, uchitanga paSpeedway, Indiana musi waMay 30 uye uchiguma paPhoenix, Arizona musi waNovember 6. Paivawo nechiitiko chimwe chisiri chemakwikwi muMechanicsburg, Pennsylvania. AAA National Champion uye Indianapolis 500 anokunda akanga ari Bob Sweikert. Manny Ayulo akaurayiwa muIndianapolis achidzidzira nokuda kwe
1955 Indianapolis 500, uye Bill Vukovich, mukundi anodzivirira kaviri, akaurawa munhangemutange yacho imene. Jack McGrath, shasha yenguva mbiri (1952, 1953), akaurawa munhangemutange yokupedzisira paPhoenix panhambo yechi85. Iri raive gore rekupedzisira reAAA National Championship; USAC yakatendera nhevedzano kutanga gore rinotevera.