What wouold I need to do in order to get my single cam zc head on my d15 block? The head has ben port and polished, with a 3 angle valve job, i just wanna a lil bit more power out this engine for now. how do i know if this head is obd1 or pre obd? will it matter? what cam and cam gear should i use? Sorry its so many questions i just need some help. thanks





ANthony