Dhameystir weedha soo socota: 1954 Keller wuxuu bilaabay inuu u wareego Championship Cars. Wuxuu ku tartamay taxanaha AAA iyo USAC Champ Car, isagoo tartamayay xilliyada 1954-1959 iyo 1961 oo leh 32 bilow, oo ay ku jiraan Indianapolis 500 lix jeer. wuxuu ku lug lahaa shilkii baabuurta ee uu ku dhintay Bill Vukovich
Sanadkii 1955kii Waxa uu ku soo dhamaaday tobanka ugu sareeya 13 jeer, isagoo dhammaystiray ugu fiican 2aad laba jeer (Atlanta 1956, iyo Milwaukee 1961). Markii ugu fiicnayd ee uu ku dhammeeyo Indy 500 wuxuu ahaa 5aad sanadkii 1961.