Originally posted by monkey
the h22a4 (97+) is actually an open deck block and the h22a1 is closed deck. the 5 extra hp they said they found by redesigning the IM has so far been found to be a lie, in any case both the a1 and a4 dyno the same amount of whp (+- a few hp).
i think going rate for an h22 swap is around 2800 bucks? go to jdmhondaparts.com.
meh you are gonna find a "normal" jdm h22 but the type s seems to run much more expensive....