Ok i have a 1990 crx dx and a friend of mine has a dohc zc head will it fit on the d15 block any info would help. Iwant to do the whole swap but i dont have time or money cause if it wont fit then i am just gonna try seein what is wrong wit the car. I bought it and the guy said it was a bad timing belt and didnt know if he bent the valves or not.