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Old 12-24-2011, 03:45 AM   #1
anin23
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08 STI

Default debating on swap..need advice

So to start off i have a 2008 sti with 24k on it,bone stock, thinking of selling it. I am debating on an alternative plan. So from some prior experience from some of you, i can make up my mind. I have mechanic experience, done about 5 swaps on my previous cars(all hondas) trained ASE tech(never worked as a mechanic as i got a better opening) I was thinking of buying:

option 1
06-07 impreza 2.5i and eventually purchase 06-07 sti that been totalled, and do a full swap. I know what is involved and everything is pretty much straight forward. Just need to confirm if or any custom splicing, wiring, modification are needed to either the body/engine/wiring, would be needed? Reason being is that i would like it to be 100% or so STI clone. If from some previous experience you guys can tell me if i everything bolt up 100%. The only issue is that i would need to make sure the key/immobilizer is working. Would i need any body modification? possibly on body for the DBW/ throttle bracket possibly?

option 2

buy a 06-07 wrx,. do full 6spd sti trans swap/rear end etc. full sti brake swap/suspension upgrade. Then eventually rebuilt the wrx motor. Obviously i'll be losing the DBW/ AVSC of the ej257. But this method is a little less work and possibly little more than option 1, and if i can't find a good clean wrx for a good price, its not worth it, i know that already..

The reason i don't want to sell my sti and possibly buy a 06-07sti is that nothing in good shape, thats priced well. all i found was already beat to crap. Plus priced $23-26k. And for about 15-18k I would have this swapped car paid off and have parts upgraded.possibly built motor. Thanks for the opinions.
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Old 12-24-2011, 09:54 AM   #2
KevinT.
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There shouldn't be any figment issues with the 2.5i to sti swap as the cars are almost identical aside from the entire drivetrain. If you are doing this buy a donor sti and swap out every single thing on the car because there are small differences in the wiring harnesses and you will run in to trouble there, that said its easier to just swap out absolutely everything....even then though, it wont give you the same feel as owning an sti because you will know its not and although it can be identical in every kind of way it wont feel the same
For example if someone makes a 22b replica that is literally everything on par of the 22b, it will still be awesome, yes, but it wont be the same as owning an authentic 22b.

In my personal opinion its awesome to take a 2.5i and go a different very built,hybrid route and think on it as the 2.5i out of hell, but making a clone sti wont feel right, trust me.

That being said its your decision and you may not feel the same as me but i suggest your options are,

1. "the 2.5i that could" something along the lines of a built ej22t with ej205 heads using something along the lines of a 16g or 18g...depending on your power expectations

2. Your option 2.

Also keep in mind what your building the car for, track, autox, daily driver, keep in mind what your doing as you do all of this because there are a LOT of small thing to work out depending on what you want the car for.

P.S. a swap is a long road, have another car that you can use in the mean time, and trust me im in the middle of my own swap right now, so many small problems arise and life gets in the way of you working, i think you will have the most fun and best work experience going with the wrx with a 6speed idea.

Last edited by KevinT.; 12-24-2011 at 10:20 AM.
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Old 12-24-2011, 02:36 PM   #3
speedyHAM
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Subaru swaps for much more difficult than Honda swaps, but shouldn't be bad if you have a full donor car.

The real question is- Why spend the time and money when you've already got an '08 STI?
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Old 12-24-2011, 02:42 PM   #4
anin23
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Quote:
Originally Posted by KevinT. View Post
There shouldn't be any figment issues with the 2.5i to sti swap as the cars are almost identical aside from the entire drivetrain. If you are doing this buy a donor sti and swap out every single thing on the car because there are small differences in the wiring harnesses and you will run in to trouble there, that said its easier to just swap out absolutely everything....even then though, it wont give you the same feel as owning an sti because you will know its not and although it can be identical in every kind of way it wont feel the same
For example if someone makes a 22b replica that is literally everything on par of the 22b, it will still be awesome, yes, but it wont be the same as owning an authentic 22b.

In my personal opinion its awesome to take a 2.5i and go a different very built,hybrid route and think on it as the 2.5i out of hell, but making a clone sti wont feel right, trust me.

That being said its your decision and you may not feel the same as me but i suggest your options are,

1. "the 2.5i that could" something along the lines of a built ej22t with ej205 heads using something along the lines of a 16g or 18g...depending on your power expectations

2. Your option 2.

Also keep in mind what your building the car for, track, autox, daily driver, keep in mind what your doing as you do all of this because there are a LOT of small thing to work out depending on what you want the car for.

P.S. a swap is a long road, have another car that you can use in the mean time, and trust me im in the middle of my own swap right now, so many small problems arise and life gets in the way of you working, i think you will have the most fun and best work experience going with the wrx with a 6speed idea.
Thanks for your input, appreciated greatly, well i was looking into option 1, but i just dont know how complicated it gets with wiring etc with the ej22t, i would guess mating it to a 6spd sti drivetrain?
option 2, getting a wrx then a 6spd swap, then eventually build the motor. I like this option alot. But i just can't justify the price i would spend to get it the way i want...Plus i know that theres few issues people seem to have like with wiring the DCCD control. I also have to look into how the shifter etc swap over to the 6spd.
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Old 12-24-2011, 02:43 PM   #5
anin23
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Quote:
Originally Posted by speedyHAM View Post
Subaru swaps for much more difficult than Honda swaps, but shouldn't be bad if you have a full donor car.

The real question is- Why spend the time and money when you've already got an '08 STI?

I was just looking into it, didn't make my up mind. The real reason being that this 08 sti after financing etc is in the 36k range. with the stock motor, no other upgrades. I can get way more power etc reliabilty out of a swapped car, plus ugrades..
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Old 12-24-2011, 09:29 PM   #6
KevinT.
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2004 Rs (Wrx Swap)
San Remo Red

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in regards to the ej22t, it is a stock obd1 motor, but the wrx heads literally just bolt up, thus making it an obd2 motor because your only using the 2.2 shortblock. This means you really just have to get a 2.0 wrx ecu that is the same year as the 2.0 heads your using

In regards to the harness issues you may face, you can only really run in to problems when your trying to merge the harness for all the turbo sensors, if you are swapping out harnesses and ecu's.... its really only a bunch of plugs that go together and since your replacing the entire wiring system with that of a 2.0 motor you wont run in to problems.

For the mating the 2.2 to a 6speed it is a perfect fit, nearly every single subaru engine made will fit to nearly any subaru transmission made, for example you can take a 3.3h6 out of a svx (a motor only made for an auto car) and match it up to any transmission even worth using (idk if it would fit to an old 80's tranny but who the hell uses them anyways) This is what makes building subarus so much fun.....there basically adult legos.

In regards to the dccd out of the 6speed, the only way you will run in to problems is if you try to run the dccd out of a stock configuration (im not exactly sure how its set up but its through some of the stock electronics)..... its way easier, more time efficent, cheaper for your time, and more fun to buy an after market dccd controller. If you go with option 1 you will be using a wrx harness and ecu so you cant even set it up stock and have to buy a box.

Basically if you are going with option one you will NEED to get a wrx donor car (one of the 2.0 models.) and then act as if you are swapping in a 2.0 in regards to wiring except use the 2.2 shortblock rather than a 2.0 shortblock this way you will have everything needed while in the middle of the swap
You can find rolled wrx's or rear end collision wrx's for CHEAP (1500-3000)

If you are thinking about going the custom route in to a 2.5i check out some of the thread's in the building section as well as some in the driveline section ....do your research on what you want most ...this one in particular helped me a LOT
http://forums.nasioc.com/forums/show...ighlight=fujik
yes its a lot read all of it its got some GOOD stuf

Oh and by the way sure a swap is hard but its not impossible, im 15 (16 in 3 days WHOOHOO) and im midway, sure it takes me longer cuz im inexperienced, but im able to do all of it...on my own no help from parents (friends help with labor and 2person jobs) ........if you have done 5 engine swaps swaps on hondas, you will have the reasoning skills and basic knowledge needed for a subaru swap.

Last edited by KevinT.; 12-24-2011 at 09:38 PM.
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Old 12-25-2011, 12:12 PM   #7
anin23
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I think i'll decide on a 2.5i and buying a wrecked sti. just do a full swap. I"ll have to factor in the money/time spent etc and work it out..
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Old 12-27-2011, 03:19 AM   #8
anin23
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Trying to search, can't seem to find a thread on 06-07 2.5i to full sti swap(2005+ all the same i assume?). I would probably look for same year as whatever car i buy.. I just wanted to see what/if any modification or is it just a direct swap between them.can anyone can confirm from prior experiences?
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Old 12-27-2011, 02:36 PM   #9
lostinthesauce83
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As for the eg33 mating up to any transmission yes. But I am in the process of an eg33 swap into a 05 wrx. And the wrx starter does not work.
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Old 12-27-2011, 03:46 PM   #10
geronimo81
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If you want to do a swap you should just do a GC impreza and swap it. That way the car costs very little to start with and then you can get a lot of performance for your dollars. Of course everything needs to be upgraded/replaced but you will have the money to do it and then some.

Otherwise just buy an older wrx and start there. Better yet you could find an older sti that hasn't been beat on (they do exist but you have to look very hard)
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Old 12-27-2011, 03:50 PM   #11
imir designer
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^^ That! I have a 2.5RS with a ej205 from an 04 WRX. I love it, it's so much fun and it's more unique than all the other subaru's about. Plus once it's badgeless only a few know what it is.
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Old 12-27-2011, 11:16 PM   #12
anin23
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i am a fan of the hawkeye, if not then i'll keep my GR, yeah but i think it may be cost effective to just sell my 08 and look for a hawkeye..by the time i buy a 2.5i and find a totaled sti, plus the time to do a entire conversion, i might as well just trade/sell my 08 for a gd sti..

Last edited by anin23; 12-29-2011 at 01:06 AM.
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