Can a f22b head fit on a f22a block? as anyone done this yet?
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F22b (JDM DOHC), or F22Bx (USDM SOHC 5th Gen Accord)?
1999 BMW M3
2001 Honda CR-V SE RT4WD
2005 Chevrolet Tahoe Z71
2015 Suzuki V-Strom 650 -
would you even see any gains? correct me if i'm wrong but from what i've read on this site, it would seem that the f22a head flows better than the usdm f22b. i have no clue about the jdm f22b.
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Both fit fine but the f22b dohc head is really the only one worth your time.Originally posted by Alex 90DX View Postwhich ever fits i guess
Are you sure your ready to do a head swap if you arent even sure what the difference between heads is?Comment
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well i really didnt understand what he was saying.. he just said "F22b (JDM DOHC), or F22Bx (USDM SOHC 5th Gen Accord)" and yeah im ready to do a head swapOriginally posted by Tippey764 View PostComment
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The f22b dohc head is the one that would be worthwhile, although the f22b dohc has a higher static compression at 9.3:1 vs the f22a 8.8:1. So if you were to do a swap, you'd have a lower compression f22b equivalent. I also believe (though don't quote or hold me to it) the f22a head flows better.Comment
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Do you have a reason for doing a headswap, or you just want to do it? There really aren't any gains to be had from doing one... only a ton of potential problems associated with taking that much of your motor apart as a beginner.Originally posted by Alex 90DX View Post
Both will fit. The F22B2 head won't gain you a thing, and will take some modification to install. The F22B1 head will also take some modification, and will offer very little gain. The F22B (DOHC) head will go on with no modification at all.
However, the F22A head that you already have has more potential than any of those.
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The F22A head probably doesn't flow better in stock form, but it has potential to outflow just about any traditional F or H head.Originally posted by cloudasc View Post
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as opposed to the f22a head, what advantages can you expect from a dohc f22b head swap?
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Thanks, i guess ill stay with the head i gotOriginally posted by cloudasc View Post
jw if it could be doneComment
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Nothing much, really. It probably flows a little better than the F22A in stock form, but with the lower compression, the gains will be minimal. The F22B only makes 160hp as it is, so with the lower compression of the F22A, you're lucky to get 150hp out of the deal. You can get way more than that with a Bisimoto header on a bone stock F22A1.Originally posted by cbscandal View Post
The only real benefit of a dual cam is being able to adjust each cam separately... but until you have aftermarket cams and cam gears, ... and you know what you're doing... that means nothing. The valvetrain is heavier, the port design is probably more cramped...
Final verdict:Originally posted by Alex 90DX View Post
Yes, it can be done. But unless you know enough to have a good reason to do it (I have yet to think of a good reason myself) then there's no point.
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and a lot of moneyOriginally posted by deevergote View PostNothing much, really. It probably flows a little better than the F22A in stock form, but with the lower compression, the gains will be minimal. The F22B only makes 160hp as it is, so with the lower compression of the F22A, you're lucky to get 150hp out of the deal. You can get way more than that with a Bisimoto header on a bone stock F22A1.
i want a bisi header, they're so beautiful.
anyway, thanks for the info deev. you continue to make me feel ignorant.
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