Sunday 21st July 1974
Bobby Unser drove an Eagle powered by a Drake-Offenhauser engine to victory in the USAC Championship event at Michigan International Speedway in Brooklyn, Michigan, US.
An Everyday Journey Through Motoring History, Facts & Trivia
This Day In Automotive History
Bobby Unser drove an Eagle powered by a Drake-Offenhauser engine to victory in the USAC Championship event at Michigan International Speedway in Brooklyn, Michigan, US.
I We have no wish to abuse copyright regulations and we apologise unreservedly if this occurs. If you own any of the material published please get in touch.