I just purchased a usdm h22a4 out of a 98 and I am looking for some info on puttin it into my 4th gen accord. Heres what I know, engine will mount to my accord 5 speed tranny and will bolt right in. Also that I need a p13 ecu and run some vtec wires and knock sensor, what I am not sure about is the h22a4 is obd2 and I am not sure how this can be rewired or if it can at all. I know that this h22 has an external coil like my accord, can I use the h22a4 distributor and rewire it or do I need a obd1 distributor? Any info would be appreciated