Quote Originally Posted by jap_racer1
i have the oppurtunity to take off my gsr head put a b16 head on it and a supercharger for less than 2 grand and still have the shortblock of the b16 and my gsr head i just wondering what anybody else thought about it???
you are about to restart a 14 yr old debate on the P72's smaller combustion chamber vs. the Pr3's "better" flow.... stock for stock I would say stick with the gsr personally for the higher C/R and just get a skunk2 manifold....