403 with bb C heads??
#2
Assuming you can run an intake like a Performer RPM that has enough meat to port-match to the larger BBO intake ports, yes (the RPM won't allow the shaker scoop to clear on a 403 T/A, for example). As people are probably tired of hearing me say, the 400 BBO used C heads and the 403 flows just as much air. Why restrict it with SBO ports? Obviously you need to select the correct pistons to get to the CR you want due to the larger BBO chambers.
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