Sii wadida faqradan - 1970
- Offenhauser iyo matoorrada Ford ayaa xukuma garoonka halka aerodynamics-ka u dhexeeya 1961 gawaarida hore ee gawaarida iyo gawaarida gadaal ee 1970. xawaaraha isreebreebka ayaa sidoo kale door weyn ka ciyaara garoonka Indy 500.