ok, so lets say i got a h23a vtec head and ecu would that bolt up to my h23a non vtec motor? can someone please help me out? oh yea iam putting another longblock in my 92 prelude. i was thinking of just getting a used h23a vtec and putting the whole thing in my car but would rathwer have something that is reman. with all new parts then i know what iam getting. but i would really like to get vtec on my h23a i think the h23a vtec is 210 or 215 hp.