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Old 10-25-2012, 04:20 PM   #1
griffinwert
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1996 2004 wrx swap
Red Metallic

Impreza GC8 1996 USDM GC8 WITH 288,000mi to JDM STI Build

So after owning 4 impreza's (97 outback sport, 2002 ts,2005 rs, and my pride and joy 2002 wrx with 2004 front end conversion and about 260 horses) Me and a couple of impreza fanatics are attempting one hell of a build! My plan is simple, build a LHD impreza sti out of a JDM V5 or V6 front clip. I have no doubt more questions will come as we get going on the build but for now Ill start with the pressing ones. First, as far as the economics of the build, is there anything in my 1996 impreza 2.2 worth keeping or rebuilding? I am fine with doing any kind of motor building, but my thinking is that with 288,000 miles on the chassis, the motor and drivetrain would need a lot of money to get them to where a sti front clip with 40000 miles is. Any thoughts or opinions welcome. Pictures of progress to come. Haven't picked a color yet either, so again advice is welcome.
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Old 10-25-2012, 05:30 PM   #2
Hondaslayer
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Not really, no.

Maybe the lateral links, control arms and trailing arms, but the bushings are bound to be past their prime.
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Old 10-25-2012, 06:37 PM   #3
69subaru360
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1998 2.5 RS

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In the drivetrain? No. The suspension is going to be wasted with those miles so no, the interior and body up to you.

I built what you wanted. My car is a 95 WRX with a usdm body shell.

Literally all that is left from the car I bought is the bare body shell and the odometer. Every body panel, the whole drivetrain, the whole suspension the whole interior was all replaced.

Don't toss anything until the car is done.
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Old 10-25-2012, 07:38 PM   #4
Hondaslayer
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Quote:
Originally Posted by 69subaru360 View Post
Don't toss anything until the car is done.
Yeah, just don't toss anything is a better mantra.

Then again, I may be a hoarder
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Old 10-26-2012, 05:38 AM   #5
i_c_the_light
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Quote:
Originally Posted by Hondaslayer

Yeah, just don't toss anything is a better mantra.

Then again, I may be a hoarder
My fiancée is raging at me with my MINIMAL parts collection. I've just bought a 22e to go with my 20h. She thinks it's bad now...
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Old 10-26-2012, 11:57 AM   #6
Hondaslayer
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Quote:
Originally Posted by i_c_the_light View Post
My fiancée is raging at me with my MINIMAL parts collection. I've just bought a 22e to go with my 20h. She thinks it's bad now...
My wife used to get pissy with my collection (had a 3 car garage with 1 car space dedicated to "spares") Then we moved cross country and I gave most of it away to make space. A year goes by and she needs an axle and a knuckle (siezed together) which I had 3 or 4 of each, but no more. A few hundred later for new parts and I'm allowed to hoard again
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Old 10-26-2012, 01:49 PM   #7
griffinwert
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Red Metallic

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Yeah, my fiancee made me promise to keep moving it out of the garage when I'm done, so I have to keep it a rolling chassis as long as I can, still can't believe the motor runs! I tried to add a quart to it and the oil poured out the left head gasket, fresh puddle of uncirculated oil on the floor, but she still runs! Maybe take out the interior this weekend and put in a fold up chair to sit in. Work has been a great place to snag boxes for parts.
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Old 10-26-2012, 05:32 PM   #8
i_c_the_light
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Quote:
Originally Posted by Hondaslayer

My wife used to get pissy with my collection (had a 3 car garage with 1 car space dedicated to "spares") Then we moved cross country and I gave most of it away to make space. A year goes by and she needs an axle and a knuckle (siezed together) which I had 3 or 4 of each, but no more. A few hundred later for new parts and I'm allowed to hoard again
I'm preparing for the storm that will hit when I get bulkhead and engine harnesses.
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Old 11-21-2012, 01:33 PM   #9
griffinwert
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1996 2004 wrx swap
Red Metallic

Default Junkyard Run!

So I'm lucky enough to have black friday off and my other half has to work, so I'm making a Junkyard run. This is what I'm getting so far let me know if you see any fit issues or have other suggestions:
2007 tr sedan fuel system tank, pump, lines, controller
2004 wrx wagon front crossmember
2002 rear crossmember
2004 wagon ABS Brake system(more on this later)
2004 wagon interior (will back seats from a wagon work in a sedan?)
1998 RS Headliner
2007 tr driveshaft

On the ABS system I'm on the fence. I realy don't want ABS at all, but i do want a brake system thats newer, and can stop the sti brakes once I get them. Any suggestions on this?
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Old 11-21-2012, 02:05 PM   #10
Aphex28
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Answers to the best of my knowledge in red.

Quote:
Originally Posted by griffinwert View Post
So I'm lucky enough to have black friday off and my other half has to work, so I'm making a Junkyard run. This is what I'm getting so far let me know if you see any fit issues or have other suggestions:

2007 tr sedan fuel system tank, pump, lines, controller No need for this, unless yours is rusted out. You're only adding complexity. You won't be able to use/need the controller. Really all that is usable out of this is the fuel pump. Which there are better options out there (STI or Aftermarket)
2004 wrx wagon front crossmember If you get a v5/6 front clip, you won't need this as it will come with the crossmember designed to be in your chassis
2002 rear crossmember
2004 wagon ABS Brake system(more on this later)
2004 wagon interior (will back seats from a wagon work in a sedan?)The back seats should fit with some modification see here: http://www.rs25.com/forums/f24/t1561...preza-obs.html
The door cards will absolutely not work but the dash will fit alright. There will be gaps into your chassis. This can be minimized with modification of your firewall. People like it, but IMO I don't. I can't get over the dash gaps. I like the 98-01 dash enough.


1998 RS Headliner If it's cleaner than yours than sure. I'd personally just recommend re-covering/dying yours
2007 tr driveshaftUnless your 96 is an autotrans, you won't need this

On the ABS system I'm on the fence. I realy don't want ABS at all, but i do want a brake system thats newer, and can stop the sti brakes once I get them. Any suggestions on this?convert to an STI brake master. You'll need to modify some of your current lines. The thing I'm not sure of is if the stock proportioning valve can be modified

Last edited by Aphex28; 11-21-2012 at 02:11 PM.
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Old 11-26-2012, 01:04 PM   #11
griffinwert
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1996 2004 wrx swap
Red Metallic

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Update after the holiday, got ahold of some great parts for the car. Got a front subframe and fender braces off a 2004 wrx wagon, both parts that aren't even on my 96 L, but should stiffen up the front end. Also a rear deck with zero rust on it, and the entire interior minus door cards from 2007 tr. Score! Couple of thoughts, thinking about doing a full 2007 drivetrain swap intsead of the sti front clip. Here's my thinking:
Easier to install and easier to service, easier to get parts
Can get the whole care, 100 percent stock minus engine
Things that have come up: Will the shock load on the final drive be reduced simply because I will be using a lighter chassis, or would I want to get a different diff? The car it's out of has 85000 miles on it.
What supension will I be using? I know on the GC chassis I can use up to 2002 top hats but what about the lower bits? Also, I have to say, I was really excited about having an actual sti, any thoughts on the loss of the coolness factor?
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Old 11-27-2012, 04:50 AM   #12
JDMFLCL
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I think you should do some real research before spending anymore money on this project. Just my .02....
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Old 11-27-2012, 12:04 PM   #13
griffinwert
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1996 2004 wrx swap
Red Metallic

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Not really constructive, the amount of hours I spend researching this project is close to what I have invested so far, which by the way has been $500 so far. If you have anything specific you think I should research then say so, otherwise keep your 2 cents. There is alot of info here, sometimes it's a lot to sort through, looking for advice, not unhelpful branket statements like, "do some real research".
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Old 12-10-2012, 02:19 PM   #14
griffinwert
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1996 2004 wrx swap
Red Metallic

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Lots of updates on this build! Did some hunting and found a 2004 motor and transmission with 90000 miles for 1200 bucks, and the best part was the tranny has the ra width gears! Not to mention the guy I bought it from threw in 4 spotless doors with power windows and door locks. Lots of changes on this build the new questions to answer:

Any issues with using a 2004 wrx wagon wire harness/ and ecu
using a 2004 wagon gas tank/ fuel lines
2007 sedan front crossmember(getting Aluminium control Arms for gc chassis, does that solve my camber issues?)
Should I go with 4.11 for my rear diff or stick with the 3.9? car is pimarily for DD but will want to autocross it down the road. Any thoughts?
would the wiring/ ignition setup in the 2004 wagon wire up to the power locks/windows and doors and give me keyless entry?

Last edited by griffinwert; 12-11-2012 at 02:48 PM.
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Old 12-12-2012, 12:28 PM   #15
Jaxx
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The 93 Imp W/EJ20K
flat black

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Quote:
Should I go with 4.11 for my rear diff or stick with the 3.9? car is pimarily for DD but will want to autocross it down the road. Any thoughts?
it has to match what ever the front diff in your transmission is
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