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Will H23 or H22 pistons fit an F22?

 
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Old 11-19-2008, 10:43 PM
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Will H23 or H22 pistons fit an F22?

Im looking into putting some higher compression pistons in my car, i've accepted the fact that turbo is too expencive, and I cant seem to find any good 10:1-11:1 compression pistons for the F22, so I was wondering if H series pistons would work?
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Old 11-19-2008, 11:05 PM
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Re: Will H23 or H22 pistons fit an F22?

hahaha, boost is too expensive, so you wanna build a high compression F22???
you sir are severely confused.


to answer your question, you can do anything if you have enough money. to use H pistons in an F block your def gonna hafta bore the 85mm block to fit the 87mm pistons. or you can just order custom pistons from any major manufacturer with custom wrist pins, compression heights, etc...
have fun with all that math.
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But you need that scoop on the hood. Is it true that they're big enough to fit your lunch box and all your camera gear in it?
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Old 11-19-2008, 11:13 PM
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Re: Will H23 or H22 pistons fit an F22?

Do some head work.
Get you an H23 head, do a little work on it, and slap that bitch on then get it tuned.
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Old 11-19-2008, 11:16 PM
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Re: Will H23 or H22 pistons fit an F22?

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Originally Posted by twokexlv6coupe View Post
hahaha, boost is too expensive, so you wanna build a high compression F22???
you sir are severely confused.
I dont wanna build high compression, just give it a little more compression
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Old 11-19-2008, 11:16 PM
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Re: Will H23 or H22 pistons fit an F22?

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Originally Posted by Si Speed View Post
Do some head work.
Get you an H23 head, do a little work on it, and slap that bitch on then get it tuned.

been thinkin about this too, since i have a comlete h23
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Old 11-19-2008, 11:22 PM
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Re: Will H23 or H22 pistons fit an F22?

1-2 points isn't considered "a little more compression"

along with pistons, you're also gonna need stronger rods, crank, valvetrain etc etc to handle the high compression, and you're already looking at 2G's there alone.
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But you need that scoop on the hood. Is it true that they're big enough to fit your lunch box and all your camera gear in it?
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Old 11-20-2008, 04:55 PM
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Re: Will H23 or H22 pistons fit an F22?

ok... so the bore it to 87mm and the h pistons will work, am i correct?
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Old 11-20-2008, 10:09 PM
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Re: Will H23 or H22 pistons fit an F22?

not exactly.... the FRM piston rings will destroy your cylinder walls. The pistons have a very different expansion rate as well. Good luck, its not a smart idea..
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Old 11-21-2008, 12:01 AM
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Re: Will H23 or H22 pistons fit an F22?

so... something tells me this is a bad idea... oh wait thats not something, thats everyone.... question how would a h23 stand up to 10-11.1 compression, would i need the full valve train upgrade for that motor too?
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Old 11-21-2008, 01:31 AM
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Re: Will H23 or H22 pistons fit an F22?

wouldn't putting that h23 in there be a little faster than that f22, or do you just really wanna be able to say you raised your compression? f22-h23 upgrade will make a nice little difference. i've drove both, and my h23 is def a lil bit faster than f22
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Old 11-21-2008, 05:26 PM
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Re: Will H23 or H22 pistons fit an F22?

/\ i dont wanna rectify the blown h23, thats the problem im having
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Old 11-21-2008, 07:18 PM
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Re: Will H23 or H22 pistons fit an F22?

Quote:
Originally Posted by PreludeS View Post
question how would a h23 stand up to 10-11.1 compression, would i need the full valve train upgrade for that motor too?
Well.. the h23 is 9.8:1 compression stock. Im not sure bumping it .2 in compression would phase it... 11:1 wont be any issue either.. I reccomend you drop some USDM h22a1 pistons on your h23 setup to achieve your desired 11:1 compression. Its actually going to be about 11.2:1, but its your best option.
1. Its going to be much cheaper
2. FRM compatible
3. ~11:1 compression
4. Direct replacement
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Old 11-22-2008, 01:01 PM
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Re: Will H23 or H22 pistons fit an F22?

alright thanks man
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