The Ford Boss 429 was a NASCAR engine stuffed into a Mustang for homologation. Now worth over $500k, it's the ultimate ...
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Ford had to modify the 1969 Mustang Boss 429 just to make the engine fit
The 1969 Mustang Boss 429 was never meant to be practical. It was a street-legal NASCAR weapon, a car built around an engine so large that Ford had to reshape the Mustang’s structure simply to ...
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