i have a 1990 CRX si that currently has the stock si d16a6 motor in it. I want to swap to a DOHC 88-91 ZC motor but i want to make sure it bolts up perfectly and is plug and play.... if not what wiring will need to be changed. please help me and feel free to email me, i will most likly respond immediatly. Thank you.

 

I really wish I could help.. maybe try searching for ef zc swap?

 

isnt the drivers side post mount diff??