<prompt> Ngwala tšwetšopele ya serapa se - Ruby o ile a kitima ka go USAC Championship Car series ka dihla tša 19581977, ka 177 ya go thoma ga mošomo, go akaretšwa Indianapolis 500 go tloga ka 19601977. O ile a fihlelela makga a 88 a go ba gare ga ba lesome ba maemo a godimo le diphenyo tše šupago. Mafelelo a gagwe a mabotse kua Indy e bile a boraro ka 1964  <response>: .. le Ka 1966, o ile a etelela pele lebelo la Indy 500 ka makga a 68. 