<prompt> Bhala okuqhubekayo kwalesi sigaba - ULeonard wayezobuyela eParnelli Jones kaVel futhi ngo-1970, esebenza nomkhandi odumile uGeorge Bignotti. Emjahweni wakhe wokuqala wonyaka, i-Indianapolis 500  <response>: wayezoshayela imoto kaJohnny Lightning PJ Colt-Ford engu-15. Emncintiswaneni uLeonard wafaneleka endaweni ye-18 futhi ngokushesha wayegijima endaweni yesibili ukuze ahambisane neqembu lakhe u-Unser. Injini kaLeonard yayisiyeka ngemva kwemijikelezo engu-73 futhi wayengaqeda kuphela endaweni yama-24. Kwatholakala ngemva komncintiswano ukuthi inkinobho yenjini yayishintshiwe, okwakusho ukuthi kwakungekho lutho olwalungalungile ngenjini nokuthi uLeonard wayengaqhubeka. ULeonard wabe eseqhudelana kuRex Mays Classic eWisconsin State Fairgrounds Park Speedway lapho ahola khona kuphela emajikeni ayisishiyagalolunye okugcina esendleleni eya empumelelweni yakhe yokuqala kusukela ngo-1965 eMilwaukee. ULeonard wayezoqala omunye umjaho ngalowo nyaka, iCalifornia 500 e-Ontario Motor Speedway, lapho ayezofaneleka khona endaweni yesithupha futhi aqede endaweni ye-13 ngemuva kokuphuma. ULeonard wayezoqeda isizini engu-32 ngamaphuzu. 