Anybody around here that have done some "serious" work on the heads of an V12 HE engine?
My question is how much can you port the inlet and outlet canals from stock?
It seems that they're very choked down from originally (gasket has around 1 cm bigger diameter than the canals).
Regards
My question is how much can you port the inlet and outlet canals from stock?
It seems that they're very choked down from originally (gasket has around 1 cm bigger diameter than the canals).
Regards