a guy wants me to put a obd1 d16z6 In his 90 crx so i was wondering whats the best option should i swap the whole harness or just run a jumper and wire vtec manually or what? oh yeah and also tranny should not matter if its hydro or cable cuz ill just use the same one thats in the car? i have done many eg swaps but never obd0 to obd1 so give me some tips