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h22a swap


dd_biggy

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Hey all, was trying to decide on turbo'ing the f22 i have in my '90 accord lx now or swapping in a good h22a w/ 5sp manual tranny. I have an auto now, if that influences anything. Either way, gonna have to go stick. Local shop I talked to could do the swap cheap, around 2g total including all parts/labor. Need real advice here.

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See here's the thing though... if I do both a swap and turbo, I'd probably need to find a used turbo b/c I really only have money for one or the other, depending on how much I can find the f22b1 for... I'll look around. I'll probably only have around 2gs to use, do you think this'd be enough for the swap plus turbo? BTW, any good sites for engines would be appreciated.

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Newsflash....

 

It won't run like crap, low boost settings can be tuned using a fuel/VTEC controller and boost controller. On the stock F22 internals, you can run up to 12psi from a T3/T4 (larger than DSM turbo). I don't think anyone is dumb enough to think you cna run big boost numbers on a stock engine, and I'm sure the poster is smart enough to figure he won't be able to swap, turbo, rods, pistons, and injectors for under $2,000.

 

Yes, you can just bolt a turbo on and run it.

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you won't run as well as you can with an EMS. sure, you can tune the fuel and such with a V-AFC, but it won't be per lbs of boost. you'll either run lean or rich.

 

if you do decide to do this the way superstreetrx7 is saying, please be sure to tell us how much you spent total and how it runs.

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hmmmmm, varying opinions. Sounds like the f22b1 turbo'd would be the best way to go so far. BTW superstreet, thanks for the confidence, as I don't see myself as a complete dumbass. I gotta play a little pool before I can afford the swap and such, but I will definitely let ya know how it runs, performs, etc. with whatever I end up doing. To clarify... f22b1 is the jdm accord running 160 horse right? Couldn't find much info on em, so if you have the stats, please share.

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F22B1 - 94-97 USDM Accord EX. 2,156cc 8.8:1cr 130hp@5,300 139lb-ft@4,500

 

F22B1: $400

Drag manifold: $300

Drag downpipe: $200

DSM metal BOV: $50

DSM intercooler: $65

DSM (AWD) T25 (Garrett) turbo: $165

used Tial 35mm wastegate: $160

DSM 450cc injectors: $50

Apex'i VAFC: $290

DIY manual boost controller: $4

Misc. fittings: $100 (high guess)

Apex'i turbo timer: $100

 

Total: $1,884

 

Might have missed a few things.

 

And yes, you can tune it to run neither rich nor lean with a VAFC. Given you will need extra money for dyno time. Get it on the dyno with A/F readings, get your boost readings (you'll need a boost gauge) such as 1/4, 1/2, 3/4, full, and cruise(daily driving, non-WOT) and adjust the fuel curve accordingly.

 

Note: These prices are from quick searches and not necessarily the best deals out there.

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those prices are encouraging, I was checking some stuff out, actually found a t25 turbo off a 97 gsx w/ no shaftplay for 120. Anyways, quick question. My apologies if it seems self explanatory to you all, but... why switch from the f22a I have now to the f22b1? If I remember correctly, and I like to think that I do, my current engine puts out the same horsepower numbers.

~On another side note from one of the comments earlier, I am planning on doing engine internals later on, so I'm not only looking for inexpensive but for something that I can work with later. Thanks again thusfar fellas.

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F22B1 - 94-97 USDM Accord EX. 2,156cc 8.8:1cr 130hp@5,300 139lb-ft@4,500

 

F22A1 - 90-93 USDM Accord 2,156cc 8.8:1cr 125hp@5,200 137lb-ft@4,000

 

1. The B1 is VTEC so you have better power throughout the RPM range.

2. The B1 is VTEC makes more power.

3. The A1 makes its power (though less) sooner.

 

Since you are going to build it later on, the B1 is definitely the better choice. Once you build it and turn up the boost, you will need to get new motor mounts or else the stock ones will turn to soup.

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you forgot about oil lines and, various circle clamps, intercooler piping. oh, and what about welding and such.

 

sure you can adjust the fuel curve with a V-AFC, but you can't adjust it per pound of boost. so, if you adjust it for full boost, anytime you aren't at full boost, you're dumping more fuel in(see: running rich), which could cause more problems. instead, you could save a little more and get a hondata s200 for boost. it's not that much more than an Apex'i V-AFC and has much more control over your fuel settings.

 

I'm not trying to discourage you at all. I'm just saying if you're going to do something, do it right.

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Misc. fittings: $100 (high guess)
There are your oil lines and etc.

 

You don't have to adjust the fuel curve for full boost only. You can adjust it per the amount of boost.

 

VAFC: $290

Hondata S200 w/boost: $495 + paying someone else to tune it.

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actually, you CAN'T adjust fuel per PSI with a V-AFC. I ran into this problem when I wsa going to turbo the del Sol. I've done a lot of resreach on it and I'm going to believe the many people who've actually boosted cars and have boosted cars. also, I talked to a guy with a boosted civic who did run the V-AFC. he said he wishes he would've gone ahead and got an EMS because he runs rich. also talked to an SI owner with turbo and V-AFC and he said he runs rich too....not good for turbo.

 

and you still have intercooler piping and welding to do!

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I should have clarified there is a hack for the VAFC to adjust the fuel curve for the amount of boost. You don't enter the amount of boost, you get the boost reading, and adjust for it.

 

Piping from home depot: $30

 

There is no welding required, it all bolts together.

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OHH!! bolt on oil lines.....wait, those don't bolt on, those go onto fittings WELDED to the oil pan. does the down pipe have a flex pipe in it? if not, it'll crack and you'll have more problems. I wouldn't trust a hack job. just do it right the first time, or else you'll regret it later on down the road.

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an additional q when talking about the engine swap from f22a1 to f22b1. I have a friend that could hook me up cheap for total internal work, cheap as in 1600 all said and done, rdy for some clean boost or all engine. Considering this work would definitely be down the road, does it really matter if I swap now or not if I am going to be changing out the pistons, rods, retainers, valve springs, etc?

~On getting the job "done right", I don't know that there is another way to have it done. So far as hack jobs go, if it works and doens't significantly affect the longevity of the engine or parts in conjunction w/ it, i.e. turbo, whatever, then it works for me. Just got my admissions taken today, so no worries. :D

EDIT: why not just swap the f22b1 vtec head onto the f22a1 block?

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You can just swap the head, but it will be worth the while just to swap the whole engine. Turboing it now will affect longevity (as in time before a rebuild) but if you are going to build the internals, don't worry about it.

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