just trying to find out what all i would need if anything just to swap over heads. i have a 90-93 b18a1 motor, and i eventually plan on building another head up for it, i can get my hands on a b18b head for fairly cheep (i believe the b18b are from 94+) correct me if im wrong, and i was just planing to use all my b18a parts ie. intake manifold, distributor, fuel rail, injectors...etc...