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Old 02-18-2013, 03:33 PM   #35
Jarrett
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Join Date: Dec 2003
Location: Houston, TX
Posts: 5,454
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First off, your question is not an entirely dumb one so giving excuses to why you can't search just opens yourself up for unnecessary criticism. Being on a phone is no excuse, I do it all the time. However, like I said, this is not a stupid question.

You want to use your F22A harness because it will plug into the other harnesses already in the engine bay. If you were going to run the OBD2 F20B harness you'd need to modify a LOT of the existing wiring or get the chassis harnesses from the donor car also. What is so daunting about putting the F22A harness on the F20B? It's nearly the same job as removing the F20B harness and reinstalling it from a difficulty standpoint. You will need to add IAB wiring and you can get the plug end you'll need from a junkyard car. You'll also need to wire up the VTEC solenoid and add a pressure switch from another VTEC car (F22B1s and D16Z6 junkyard cars are great for this.). Again plug ends can be found in the junkyard.

The manifold, injectors and distributor give you options.

You can either swap to an OBD1 plenum that uses a 2-wire IACV or you can get an adapter that will allow you to run your F22A IACV on your OBD2 plenum. Either way, the engine harness and ECU need that 2-wire plenum.

The injectors can either be replaced with OBD1 units and require no modifications or you can delete the resistor box and use the ones that came with the engine.

The distributor is fine but the wiring harness needs to be addressed. You need to either convert your engine harness to 1 connector or your OBD2 distributor to 2. Check out stoner51's thread covering this. It's pretty self-explanatory. Or, if you'd prefer plug and play then an OBD1 H22/H23 ditributor will work fine given that you should already have an external coil.

If you have questions over any of these steps please search them out as they're covered many times on this forum.
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