1975 Eagle 755 F5000 In 1967, the SCCA began a fledgling “professional” category for open-wheel formula cars known as Formula A. The idea was to provide a series of five races, open to F3, F2 and 3-liter F1 cars, with each race having its own $5,000 purse. Though the turnout was a bit spotty the first year, the SCCA came to believe that by allowing competitors to use the more easily accessible and lower cost, 5-liter Chevy V8 engine the…
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