Formula 5000 was a racing format sanctioned by the Sports Car Club of America in the sixties to seventies, debuting in 1968 to race alongside the SCCA's Formula B, and C classes. It was originally known as Formula A, but was renamed Formula 5000 in 1970 after Formula B and C were dropped in 1969. It featured Formula One caliber cars with production five liter engines (predominantly Chevrolet) instead of the FIA's maximum of three liters (as the SCCA's maximum was five liters). This series would form the basis for the second-coming of the Can Am Series.


The Wine Country Classic (now the Sonoma Historic Motorsports Festival) at Infineon Raceway (now Sonoma Raceway) tributed Formula 5000 one year. The Rolex Monterey Motorsports Reunion at Mazda Raceway Laguna Seca featured a Formula 5000 race group in 2015.

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