i hav a 91 ef hatch wid stock d15b2 with dual point and 4spd tranny, shud i wrk wid wut i got or swap n a z6 or d15 vtec...i wanna raise tha compression as i as i can...i was gonna swap n a mpfi intake manifold n build up tha stock engine... it was hard 2 find h/c parts 4 tha non vtec d15 thats why im asking...any insight wud be greatly appreciated