me and my friends were talkin about this last night and i wanna know which one would be better. would any b16 head on a b18c1 block be better or would a gsr head on a b16a2 block be better my friend thinks the p72 head on a b16 block is better which is in his car but i think the p30 in a b18c1 block is better and i know it is. and also is a p72 head on a b16 block better than a gsr longblock i need some peeeps to help me out on this