firstgenrex

i know this topic has been covered before. im 16 and i just bought a 2nd gen crx and im gonna sell my first gen. My new Si is very fast compared to my old crx, but, eventually im gonna have enough money for an engine swap. What modifications are required? could someone who has done this swap before make me a list? I have a real Si, so i have the axles etc. I understand this is a direct bolt in swap and i can use the stock transmission. can i use the stock ecu also? if not, what should i do? will my exhaust manifold bolt up to the zc? b.c if i can get the engine, this swap sounds like about a 12 hr project is everything goes ok. thanks!

Dancing is Forbidden

You might be able to use the exhaust manifold, I don't see why you couldn't. You can use the stock ecu, no extra wiring, use the si tranny. It should take you maybe 5 hours TOPS!!!!!!! To do this swap.

firstgenrex

so, i need NOTHING? for his swap?
just the engine?

fastwanabe

you can use the stock ecu and axles but the ZC will run a lot better with 89 teg ecu, also the ZC has the crank sensor on the exhaust cam while the stock si has it on the distributor so you will need to run those wires, other than that its a straight up bolt in.

firstgenrex

thank u very much to all who replied to my question!