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Old 08-22-2018, 12:31 PM   #1
Fox7451
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Need help and advice going from h22 swap back to f22 or f23

So I blew the h22a4 up that was in my accord and I don't have the money currently to rebuild or replace it. I bought the car with the swap done and I am unsure of all the things that got changed. What I need to know pretty much if I drop a f23 in what changes need to made to the harness to plug up. Currently has a chipped p28 in it would it be better to just get a basemap chip for that or a stock ecu? Just looking for my cheap options and some advice really have about $800 and need this car to run within the next week. I have a decent amount if knowledge and experience working on cars so I plan to do it myself however being on a budget wanted advice, opinions and thoughts. Can post pics if you guys want.
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Old 08-22-2018, 02:22 PM   #2
Jarrett
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Where you're located could weigh heavily in how cheaply you can do this. In Houston and Dallas I can go buy a low-mile JDM F23A for around $350 with case.

At the bare minimum you would need the upper section of the exhaust manifold, an IACV adapter, and the mount bracket from the driver's side of a '90-'93 Accord.

Manifold - If the swap you buy comes with the manifold, all the better. If you currently have an aftermarket header on the car, you'll want an aftermarket header for a '94-'02 Accord to use the top section from it.

IACV - The F23A uses the newer 3-wire IACV which your ECU won't know how to read. Buy this adapter to run the IACV off of your current H22A.

Mount - You want the bracket that attaches to the engine block on the driver's side that originally came with the F22A.

The distributor will also need to be addressed, but you never mentioned whether you had internal coil or external coil.
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