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Old 02-06-2002, 07:19 PM   #1
ImpreziveRS
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Member#: 6312
Join Date: May 2001
Location: Cincinnati
Vehicle:
2001 Impreza 2.5 RS
Blue Ridge Pearl

Default Can I put this in my car?

I hope this is the right forum...if it's not, I'm sorry. I just wanted to know if this would be extremely hard to put in my '01 RS or if I could put it in at all. Would total cost and work be worth the performance? Also, what else would I need to make it work?


Subaru WRX STi EJ20 280HP

Intercooled turbo
6-speed transmission


It's found at...

http://www.streetimports.com/homepage.htm

Click on JDM Engines on the top, then Nissan in the menu on the left, then the Skyline GTR engine, then look to the menu on the left again and click on Subaru.

Thanks,
Kyle
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Last edited by ImpreziveRS; 02-06-2002 at 07:24 PM.
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Old 02-07-2002, 12:53 AM   #2
aek
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:( sold ( now GC8 )

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SWEET~~

I am thinking about that too !! I don't know if it will fit my 02 RS.
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Old 02-07-2002, 01:57 AM   #3
Impreza25RS
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Location: Back to Boostin' in SLC!
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1998 EJ22.5RS-T
more mods coming soon!!

Default

There has been a few posts recently about this topic so you can probably find some useful information if you do a search. I know the search button can be a pain to find useful information sometimes so Ill help you out because I was going to do this before I realized how much it was going to cost.
WRX engine (not sure about STi) new was $2250 from Noztune in AUS
Shipping about $550
Intercooler $600 and up
Aftermarker ECU $1000 and up
Tranny $ I have no idea but Noztune can help you they are in the links section and are VERY good about answering questions
So now we are way over $4000 and we haven't even installed the thing which is about $3000 if you take it to one of the two places in the country who I would personally trust to do the install (Rallispec and Cobb) and they will probably have your car for about a month.
Now I dont want to discourage you and there are cheaper ways around it but thats just what I have discovered in my searches.
I'm just gonna turbo the damn 2.5 now.....
Kyle
MY 98RS Owners UNITE!
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Old 02-07-2002, 08:23 AM   #4
MY99 2.5GT
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ImpreziveRS- That looks like an awesome deal!!! I would imagine that tranny purchased new would run at least $4k. If that price includes the ECU and wiring harness you should be set. Really the only expense above that is installation. I can't tell but does that have the AC and alternator included? I wonder how many miles are on that engine? I wish I had the dough to do this.

Nice Deal
Brad
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Old 02-07-2002, 09:23 AM   #5
ImpreziveRS
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Yeah, it does look like a good deal. Don't know about the alternator and a/c, but they said all of their engines have between 10k and 35k miles. Could I put it in myself if I had the right tools and people available to me?

Kyle
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Old 02-07-2002, 12:37 PM   #6
Tkacik
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Wow, a motor and Tranny for 6K is a great deal!
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Old 02-07-2002, 01:53 PM   #7
Aprilia Jon
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I think the question about whether you can put it in if you have the right tools and people available to you is best answered by this saying. If you have to ask how much a ferrari costs, you can't afford it.

Seriously though an engine swap is not for those with little experience. It requires a complete knowledge of exactly what every little part does. Even with both manuals and this knowledge it could still prove to be a challenge. I have done MANY swaps (none subaru) because I used to work at a import shop and every time I would run across something that was difficult to overcome.

Don't forget that you will either have to custom wire in the original STi ecu or tune an aftermarket ecu, both which can be daunting tasks.

If you are comfortable with diving into something like that, by all means go for it. Just be ready with a contingency plan (aka have the cash to take it somewhere if you get overwhelmed). Of course the only way to learn is to do... Just make sure you have done ALL the research BEFORE you start... If you do it yourself, document it, I want to see how it goes...

Good luck
Jon
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Old 02-07-2002, 06:30 PM   #8
ImpreziveRS
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Is there anyone here in the states that has swapped out their motor for the JDM STi motor? This I might do...I'll keep everyone posted.

Kyle
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Old 02-07-2002, 09:18 PM   #9
adamsrs
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Yes the motor will fit..the tranny may not though. The tranny is longer and may not fit in the GC8 tranny tunnel. Th tranny itself new is about $6k. Also if you decided to run the stock ECU from the JDM EJ20 and have the stock harness then you will need to have a good source of 100 octane gas because that is what the ECU is set for! I would recommend getting a programmable ECU (Link, Tec 2, etc)
adamsrs
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Old 02-08-2002, 02:40 AM   #10
ImprezaTs
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Black Diamond Pearl

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thats what i am thinking also for my 99 L.......thinking of doing a swap.... I got an offer but the seller said that I can fit the EJ20 onto my stock 5spd Tranny. Is that true? or would I need to buy a new tranny along with ACT clutch?
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Old 02-08-2002, 04:00 PM   #11
outback2.5HO
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Location: Bend, Or. USA
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95 GF WRX
Black

Default Can I put this in my car?

If you think that will be an easy swap, better think twice. There are many factors to consider (ECU, intercooler, radiator, resealing, possible engine/trans. damage before purchase, etc...) before taking on such an endeavor. If you are planning to go that route, it is a good idea to tear the motor down, inspect it for abnormal wear on internals, hoses, and gaskets, and start replacing whatever necessary. It is a good idea to replace all gaskets/seals from the head gaskets out as well as a new TB and water pump. It is pretty rare that any turbo (or N/A) take out motor can just be stabbed without bringing it up to snuff .

Keep in mind those motors get run hard for 30-50k, then sit at a port or a dock for who knows how long before being shipped out. They usually have pitting or rusted/broken parts that can be hard to find over here. Just trying to let you know that it won't be a motor from some show car.

Lastly, the last price I found on a front clip w/ecu and wiring was about $6k, not including the trans. Without the ECU, it's hard to get them fired up. If you can get the motor/trans/ECU for $6k that's a great deal, but save a few grand for the R&R and troubleshooting to get it dialed in.

Good food for thought...
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Old 02-09-2002, 12:47 AM   #12
ImpreziveRS
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2001 Impreza 2.5 RS
Blue Ridge Pearl

Default

Ok then, I have the same question as ImprezaTS. If the 6 spd. tranny won't fit in the GC8's tunnel, will the engine mate up to our 5 spd.? I know that probably wouldn't solve anything though since our tranny couldn't handle that much power.

Ok, instead of swapping motors, could I produce the same performance out of my EJ25 by turboing it? adamsrs...yours is turboed, isn't it?

Kyle
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Old 02-09-2002, 01:58 PM   #13
outback2.5HO
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Default

You most likely COULD bolt up the 5 speed, but as you mentioned, they aren't as strong. If you can get your hands on a WRX 5 speed, that would be the best way to go for a US spec trans.

As far as turboing an EJ 25, they're are plenty of kits out there, but getting them dialed in can be tricky, depending on your knowledge base of forced induction motors. I have a buddy that has a GT with a Turbonetics turbo, bigger injectors, intercooler, full guages, S-AFC, Turbo timer, full 3" exhaust, etc.... It is the baddest GT around (WRX eater).... It runs /handles great under boost, but normal driveability can be an issue. Lots of time is spent getting the car dialed to run smoothly when it's not at the track. Also, the car recently blew the head gaskets ( just a pinhole leak, but enough to make you worry). So it is a good idea to consider beefing up the lower end to handle the boost. They can take the boost if built right.

If you want power and reliability, build an N/A 2.5, it'll last a lot longer and cost less. If you want to go REAL FAST, but don't care if you are always wrenching and spending money on your car, go turbo.
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Old 02-09-2002, 04:06 PM   #14
ImpreziveRS
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Blue Ridge Pearl

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Ok, does turbonetics have a website? So far, the only kit I know of for the EJ25 is the one from Forced Air Technologies or something.

Kyle
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Old 02-09-2002, 08:34 PM   #15
Ru fan
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Default

What about putting a US spec WRX motor/tranny/ECU?etc. into a GC8? Wouldn't that get rid ot the parts supply/gas problem? What would be needed? Here is what I remember.

-comlete drivetrain 02+(engine/turbo/ecu/tranny/ecu/wiring/etc. 4-5k?
-half shafts for GC8 WRX
-GC8 intercooler
-radiator?
-GC8 WRX exhaust
-cross member

What else?

Later,
Seth E.
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