Re: sohc zc wiring/swap help
This is assuming you are staying obd0:
Just plug in the engine harness from your original Si motor, everything will plug in and drop the motor in. Do not use the one that is on the motor as you don't know what kind sub model it is from. The reason I say this is because the underdash harnesses plug in differently. Example, a Si engine harness will not plug into a DX underdash because the connector is different.
The SOHC ZC is the same as a d16a6, which is the stock motor for your car.