Dee ihe ọzọ banyere paragraf a - Ọnwụ Roberts, nakwa ọnwụ Eddie Sachs na Dave MacDonald n'asọmpi Indianapolis 500
, ụbọchị isii mgbe Roberts dara, mere ka e nwekwuo nnyocha banyere uwe ndị na-eguzogide ọkụ. O mekwara ka mmepe nke Firestone RaceSafe fuel cell. Ụgbọala ndị na-agba ọsọ n'oge a na-eji ihe na-eme ka mmanụ ụgbọala na-agbapụta n'ụgbọala ha eme ihe iji gbochie mmanụ ụgbọala ịwụfu n'ụgbọala Roberts. Ọzọkwa, a ga-eji nwayọọ nwayọọ webata uwe mkpuchi ọkụ zuru ezu, nke ga-eduga na uwe ịgba ọsọ Nomex. Ezigbo enyi ya, bụ́ Joe Weatherly, nwụnahụrụ Roberts na January 1964 na Motor Trend 500, na Riverside, California.