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Old 04-18-2013, 11:48 PM   #1
spooln30
Scooby Newbie
 
Member#: 324458
Join Date: Jun 2012
Chapter/Region: MWSOC
Location: Milwaukee , WI
Vehicle:
1999 Legacy GT
Green

Default JDM STi Swap ?'s

Hey guys I have a 99 LGT and I'm in the process of ordering a full swap and I just had a few questions on which STI version would be the best. I can't afford to do a version 6+ so with the earlier versions which one is the best, as is block internals and heads etc. I heard that the version 5 has forged pistons. Is this true? Also what usdm parts will bolt to these engines? Looking at installing a clutch upgrade, exhaust manifold/turbo and fuel rails with larger injectors so would the 02-07 Wrx parts bolt rigjt on? Also what are you guys with these engines using for tuning? I really want to run e85 because I do in ky Supra and I love it. I would like to go full standalone but I'm not sure there's a PnP like on my Supra.
Any info or links about what I'm looking for is greatly appreciated.

Thx.
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Old 04-19-2013, 02:31 AM   #2
spooln30
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Member#: 324458
Join Date: Jun 2012
Chapter/Region: MWSOC
Location: Milwaukee , WI
Vehicle:
1999 Legacy GT
Green

Default

Forgot somethings, if I need any gaskets or oil seals which USDM model would I order for? I believe since this is a 2.0ltr block then I would think that the 02-07 Wrx stuff would work? Also, if I were to upgrade the internals say the rods would the wrx parts work for this as well? Thx for any help.
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Old 04-21-2013, 02:17 PM   #3
Modollenroc
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Member#: 243499
Join Date: Apr 2010
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V5 and v6 Sti are the same. You can buy usdm WRX parts to fit on it. Seeing that it's a 2.0L
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Old 04-21-2013, 03:11 PM   #4
FuJi K
Scooby Guru
 
Member#: 3687
Join Date: Jan 2001
Chapter/Region: MWSOC
Location: St. Paul, MN
Vehicle:
MY99 GF4 JDM 6spd
NF Performance

Default

If you can't afford to do a ver5+, don't do a swap.
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Old 04-21-2013, 03:26 PM   #5
dscoobydoo
Scooby Newbie
 
Member#: 57152
Join Date: Mar 2004
Chapter/Region: NWIC
Location: pacific Nw
Vehicle:
---- Subaru fleet
garage ( 5 and counting)

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Quote:
Originally Posted by FuJi K View Post
If you can't afford to do a ver5+, don't do a swap.
Second this. As your car is a 99, you want to do at least a ver 5/6.

Sadly so many people just grab something cheap because it is all they can afford and it turns out to be NOT what they wanted.

SAVE UP and do it right the first time.
You might be better off finding a wrecked USDM STI or WRX and using that as your starting point, as the tuning options are a lot better than the JDM cars ( as least for us in the US) That and you can sometimes re-coup some of the funds by selling parts off the car.
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Old 04-21-2013, 03:52 PM   #6
JulianDelphiki
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Member#: 307912
Join Date: Jan 2012
Chapter/Region: South East
Location: FL
Vehicle:
1997 OBS V8 Ej207
Stimikey tuned

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Quote:
Originally Posted by dscoobydoo View Post
Second this. As your car is a 99, you want to do at least a ver 5/6.

Sadly so many people just grab something cheap because it is all they can afford and it turns out to be NOT what they wanted.

SAVE UP and do it right the first time.
You might be better off finding a wrecked USDM STI or WRX and using that as your starting point, as the tuning options are a lot better than the JDM cars ( as least for us in the US) That and you can sometimes re-coup some of the funds by selling parts off the car.
This.
I picked up a wrecked 02 wrx for 2800, and used the drivetrain, interior(dash) and all the wiring in my 1997 OBS. Sold what I didnt use(engine, seats, doors etc) for 4200$. Then bought a V8 ej207, and cant be happier.
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