hello i have a 94 civic cx thats starting to burn oil pretty bad. i was going to just buy a replacement engine for 400 bucks from a place in toronto. the same place has a obd1 dohc zc for 650. so if i wanted to buy this engine instaed, does anything need to be changed or modified? ill be using the cx tranny. just wondering about mounts, wiring, exhaust ect. any help would be great thanks