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H22a1 Swap into my Si?

 
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Old 09-23-2011, 12:44 AM
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H22a1 Swap into my Si?

Here's the deal:

My H23a1 is going out the door and I'm tired of rebuilding the damn thing. I was wondering what other Honda engines would be a direct swap into my car? I've heard that the F22a1 from the Prelude S and Accord Lx/Dx (90-93) would be direct swaps? Does this mean the wiring harness would be compatible?

I was considering getting the f22a1 and boosting it.

So I guess my question in a nutshell is this: What engines will fit directly into my 95 Si without modification and which ones will fit with little modification?

Thanks guys.

EDIT: The title is supposed to say F22a1.
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Old 09-23-2011, 06:24 PM
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Re: H22a1 Swap into my Si?

Someone has to know...
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Old 09-23-2011, 06:36 PM
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Re: H22a1 Swap into my Si?

Since 4th gens came with a couple different motors, i would only assume that something like an F22 swap would be like putting a stock motor back in... since it was one of the options to begin with.

i think you may need different mounts but i'm not positive
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Old 09-23-2011, 06:39 PM
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Re: H22a1 Swap into my Si?

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Originally Posted by wing8806 View Post
Since 4th gens came with a couple different motors, i would only assume that something like an F22 swap would be like putting a stock motor back in... since it was one of the options to begin with.

i think you may need different mounts but i'm not positive
That's what I was unsure of. From what I know, the H23 harness is compatible with the f22a1. I didn't know about the mounts. I was also informed that my H23 tranny is compatible.
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Old 09-23-2011, 06:47 PM
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Re: H22a1 Swap into my Si?

the h23 ecu and engine use a knock sensor and the f22 block does not have a knock sensor. so you will have to use either a f22 ecu or a chipped ecu and disable your knock sensor
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Old 09-23-2011, 06:52 PM
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Re: H22a1 Swap into my Si?

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Originally Posted by rickles8099 View Post
the h23 ecu and engine use a knock sensor and the f22 block does not have a knock sensor. so you will have to use either a f22 ecu or a chipped ecu and disable your knock sensor
Running a chipped Phearable ECU with knock sensor removal I believe.
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Old 09-26-2011, 05:12 PM
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Re: H22a1 Swap into my Si?

I was just offered an engine, so with this be a direct fit or not?
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Old 09-26-2011, 10:20 PM
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Re: H22a1 Swap into my Si?

Yes. You will also need a header. I have one (Pace Setter) that I'll sell to you for $15 plus shipping.

Last edited by 92ProjectSiPrelude4w; 09-26-2011 at 10:26 PM.
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Old 09-27-2011, 12:14 AM
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Re: H22a1 Swap into my Si?

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Originally Posted by 92ProjectSiPrelude4w View Post
Yes. You will also need a header. I have one (Pace Setter) that I'll sell to you for $15 plus shipping.
My h23 header won't fit? I guess that would just be too awesome, lol. Not sure on it yet. May be getting a Celica instead.
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Old 09-27-2011, 01:01 AM
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Re: H22a1 Swap into my Si?

^^^ Lol. Thought you had a h22.
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