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engine swap!

 
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Old 11-29-2010, 09:31 PM
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engine swap!

I was planning on getting a h23a vtec imported because i get good deals on them, but i have a 4th gen and the engine is from a 97 wich is 5th gen, would i be able to do this swap fine or is there going to need to be wizardry involved?
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Old 11-29-2010, 10:48 PM
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Re: engine swap!

you will have to do alot,
i believe on preludepower theres a full right up,
i was going to do an h22a4 on h23a1,
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Old 11-29-2010, 10:56 PM
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Re: engine swap!

thats fine with me, just as long as i dont have to do some ridiculous work, but i do know some of my wiring isnt going to match up and i have to fit that but i need to know if it will match up with my f22 tranny and my motor mounts
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Old 11-30-2010, 12:23 AM
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Re: engine swap!

Same engine mounts, tranny will be fine but I would invest in a h22 or h23 tranny bc the f22 trans gears are longer and are more for saving gas than performance. You'll need to change over injector plugs and some other stuff I'm sure of. The H23 vtec is basically a h23 block with h22 head. It shouldn't be much difference from swapin in a H22. Any H or F series trans will work except the F20C trans (S200) trans. I cnt remember if the H23 vtec had powersteering on it or not, I'm sure it didn't in the accords it came in. Instead it had electrical powersteering. Not 100% on that tho. Good luck
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Old 11-30-2010, 12:30 AM
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Re: engine swap!

yeah true thank you, and im gunna get a new tranny eventually i just dont have all the money yet, the engine comes with every thing but the tranny and ecu
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Old 11-30-2010, 12:44 AM
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Re: engine swap!

Well if it comes with the harness then you shouldn't need to change anything over as far as plugs and such. Your gunna need to get a p28 ecu. The reason it probably doesn't come with a trans and ecu is bc they only came in auto. Kinda ghey to waste all that hp with an automatic trans but wutever. I cnt see it bn too different than the F20b.
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Old 11-30-2010, 01:57 AM
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Re: engine swap!

NA ftw.
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Old 11-30-2010, 02:03 AM
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Re: engine swap!

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NA ftw.
???? I'm confused.
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Old 11-30-2010, 02:47 AM
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Re: engine swap!

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Originally Posted by daluz View Post
I was planning on getting a h23a vtec imported because i get good deals on them, but i have a 4th gen and the engine is from a 97 wich is 5th gen, would i be able to do this swap fine or is there going to need to be wizardry involved?
I don't think they made an H23 for the 5G?
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Old 11-30-2010, 06:06 AM
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Re: engine swap!

thats what i thought. i thought it was only 4th gen but this was how it was labeled it might just be a labeling problem haha, and yeah i know i need to get a p28 ecu, i found some for like 300$
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Old 11-30-2010, 06:18 AM
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Re: engine swap!

They made an h23vtec for accords and some inspires. Basically a lude motor. And it DID come w ps.
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Old 11-30-2010, 07:27 AM
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Re: engine swap!

well thats good, ill have to find out if the model comes with it
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Old 11-30-2010, 09:17 AM
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Re: engine swap!

It also came in some european and japanese 5th gens from what I've read, mainly the accords tho. Wasn't sude on the P/S part tho. Thanks for clearing that up.
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Old 11-30-2010, 02:20 PM
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Re: engine swap!

who needs ps anyways?
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Old 11-30-2010, 02:21 PM
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Re: engine swap!

NA, all motor :3.

bec i heard the h23vtec has some crazy ass compression, and some horsepower laying down. I was trying to do the same thing, just theres a list of parts of what you might need or just for general reference.
The H23 w/ H22 Head - Honda Prelude Forum .:.
but Idk if your actually building your own, or just swapping it in.
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Old 11-30-2010, 04:52 PM
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Re: engine swap!

i was originally going to build my own, but what i plan on doing is dropping this one into my car, and putting my old engine on a stand and working it then dropping it into a shell when im done because i can get a shell for like 300$, i have forged internals in the engine im running right now but the owner before me messed it up and it would cost me more to rebuild it rather than drop a new one in.
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Old 11-30-2010, 05:24 PM
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Re: engine swap!

My 4th gen has a '98 h22a. You will need to remove the resistor box and change the injector plugs if you plan on keeping the car OBD1 and you want to keep the saturated injectors. You will need to use the distributor from the original engine. It's not much more trouble than putting in an OBD1 engine.
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Old 11-30-2010, 08:17 PM
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Re: engine swap!

Alright thank you i will keep that in mind
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Old 11-30-2010, 08:22 PM
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Re: engine swap!

your not going to do alot cuz i did the same thing and it blew tht next week so now im doing a h22 swap now so it should b easy it took me three days the drop two motors out and put one in
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Old 11-30-2010, 09:08 PM
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Re: engine swap!

you dropped the h23a vtec in and it blew?
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