Originally Posted by
Bruce302
There are some that are convinced that it was the Chevrolet division who convinced the SCCA that Pontiac were not being entirely honest about Chev powered Firebirds. There was actually a 303 Pontiac powered all race ready at the Wolverine T/A race at Michigan in '69, but wasn't allowed to run as there were not sufficient production 303 powered cars to homologate. There was 6 Chev powered Firebirds in the race. So while they were ready to use the 303, the 302 Z/28 engine was vital for continued participation.