<prompt> Pedzisa mutsara unotevera: Leonard aizodzokera kuVels Parnelli Jones zvakare muna 1970, achishanda nomugadziri mukuru ane mukurumbira George Bignotti. Munhangemutange yake yokutanga yegore,  <response>: Indianapolis 500 aizotyaira 15 Johnny Lightning PJ Colt-Ford. Munhangemutange Leonard akapedza ari pachinzvimbo chechi 18 uye nokukurumidza akanga achimhanya ari pachinzvimbo chechipiri kuti asangane naUnser. Injini yaLeonard yaizorega kushanda pashure pemakumbo 73 uye aigona kupedza ari panzvimbo yechi 24 bedzi. Kwakanga kwawanwa mushure mokumhanya kuti chinja injini chakanga chavhurwa, zvichireva kuti pakanga pasina chakanga chakaipa neinjini uye kuti Leonard aigona kudai akapfuurira. Leonard aizozoita makwikwi muRex Mays Classic kuWisconsin State Fairgrounds Park Speedway kwaakatungamira chete kumativi mapfumbamwe ekupedzisira munzira yake yekukunda kwake kwekutanga kubvira 1965 kuMilwaukee. Leonard aizotanga imwe nhangemutange gore iroro, California 500 paOntario Motor Speedway, kwaaizokodzera panzvimbo yechitanhatu uye aizopedza ari panzvimbo yechi13 pashure pokurova. Leonard aizopedza mwaka wacho ari wechi32 muzvibodzwa. 