Ka dib markii ay ka soo horjeesteen kooxaha Mareykanka ee guud ahaan aaminsanaa in gawaarida gadaal-wadayaasha ah ay yihiin "wadayaasha jecel in la riixo", Lotus 38 wuxuu cadeeyay in gawaarida mashiinka dhexe ay ka dhigi karaan darajada The Brickyard, iyo maalmihii waddooyinka hore ee hore ayaa si wax ku ool ah u dhammaaday (xaqiiqdii, kaliya 4 ka mid ah 33-ka bilow ee 1965 waxay ahaayeen gawaarida mashiinka hore). Clark wuxuu ku guuleystay 1965 Indianapolis 500 oo leh xawaare celcelis ah oo rikoor ah oo 150.686 mph (242.506 km / h), markii ugu horreysay ee Indianapolis 500 lagu ordo xawaare ka badan 150 mph. rikoorka hore waxaa sameeyay Foyt 1964
celcelis ahaan 147.350 mph (237.137 km/h). Guushii Foyt ee 1964 ee wadada Watson-Offy ee hore waxay ahayd markii ugu dambeysay ee baabuur hor leh uu ku guuleysto Indy 500.