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Old 04-15-2008, 12:14 AM   #1
speedyHAM
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Impreza GC8 My '96 XP Impreza build

Quote:
Originally Posted by Crash477 View Post
Dude, you must post pics and info on the build!!! Please!
Updated first picture as of 6/24/11.



Original build post starts here-










This is what it looked like over the winter-



I am doing everything I can afford and have time for to make this a competitive XP car. It started as a '96L 2dr Impreza. I swapped in a WRX engine, did the wiring myself (with help from Nasioc and my co-driver), deleted AC, airbags, radio, and every other extra (not necessary) electrical component possible. Switched to a braille race only battery that weighs 5.4 pounds mounted in the rear passenger seat area. The interior is gutted, no sound deadening, no carpet, no passenger seat or belts. Hacked the dash to lose weight where I could and keep a decent mounting points for the gauge cluster. The front a rear bumper beams were cut up to just support the bumper cover, but don't lean on the bumpers. Fog lights are gone, all AC components are gone, all airbag components are gone, this car didn't come with power windows or ABS, so that saves me a little weight. Last I think is the home-made CF hood, reference this thread. Final weight on the scales was 2367 lbs with 1/4 tank of gas.

Power comes from the '02 WRX engine through an 11 lb flywheel and excedy stg 1 clutch to the stock '96 tranny (I like the 3.9:1 ratio). I added a LSD rear diff last year to help direct power to the 225/50R16 V710's at each corner. The engine is helped by no cats, a 3" turbo back with a stromung dual dip muffler, TGV deletes, 665 cc injectors, Grimmspeed Phenolic spacers, an APS 65mm intake, and an enginuity tune to make it all work together. 236whp 240wtq is what it put down on a dynodynamics when it was tuned.

Suspension is Koni SA's in stock housings with a GC coil-over kit and 600F 650R springs. Helper springs are 200F 150R with 1.75" of travel in the helper spring at each end. 22mm whiteline bar up front, 24mm Helix in the rear through Helix endlinks. Noltec camber/ caster plates up front with Cusco GC specific camber plates in the rear. Whiteline ALK in the front with custom UHMW front control arm bushings. Chassis stiffening provided by GTspec fender braces (fitment on these is crap, but the work great once you get them in), a GC STI CF front strut bar, Whiteline rear subframe lock bolts, and a Rally Innovations Harness bar (these guys are awesome).

Interior additions include a Sparco 333mm steering wheel, a Corbeau Forza seat, Schroth 5pt. harness, assorted gauges on a center gauge cluster, and the ECU has been remounted on the center tunnel (just to be different).

My first event this year with the car in the described setup was in Iowa this past weekend. The car felt great and was much faster than I could handle. After some practice in it I think I should be able to post some decent times. Locally I have Steve G's (Mnbiker) XP Miata to chase, so the competition will be good (assuming I am anywhere close to him).

In the next few year I am planning on too many mods to list as the budget allows. First and foremost will be ~275 or 12" wide R-comps or slicks, a built tranny with good diffs, and more power.

I won't be at Nat's this year or next due to work, but 2010 I am planning on being there with this car to push for a decent placing. Should be a good challenge in the coming years.

Last edited by speedyHAM; 06-24-2011 at 07:18 PM.
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Old 04-15-2008, 12:23 AM   #2
Crash477
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Dude, that is so awesome! Best of luck
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Old 04-15-2008, 12:28 AM   #3
Crash477
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Oh, and you should definitely put an EJ257 in it, and get some 15x10" wheels with 275 hoosiers
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Old 04-15-2008, 01:29 AM   #4
speedyHAM
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Quote:
Originally Posted by Crash477 View Post
Oh, and you should definitely put an EJ257 in it, and get some 15x10" wheels with 275 hoosiers
The 257 is on the list, but I'm still split between 15x10's and 275's or 15x14's and 23.5 x 13.0R-15 R25 compound slicks.

Thanks for the compliments.
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Old 04-15-2008, 09:11 AM   #5
Chiketkd
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Quote:
Originally Posted by Crash477 View Post
Oh, and you should definitely put an EJ257 in it, and get some 15x10" wheels with 275 hoosiers
+12345 Sweet project! I'm jealous.
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Old 04-15-2008, 06:57 AM   #6
Storm
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Note that wheel widths beyond a certain point carry weight penalties in the Prepared category. At least, they used to.....

That said....I'd put some 13's on it just to be that much different!

I agree that an EJ257 would be a nice addition once you get a handle on what the EJ20 can do.

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Old 04-15-2008, 09:39 AM   #7
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Sean, that's awesome!! First thing I thought when I saw that hood, is "man, he's getting really good". Glad to see you are finally able to make this your full blown toy car now!!! Can't wait to see some video from it once you've adjusted to it


oh, guess what I did this past weekend that reminded me of your garage?...more frozen lateral links

Last edited by Homemade WRX; 04-15-2008 at 09:49 AM.
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Old 04-15-2008, 10:45 PM   #8
ejh25
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Congrats!
That is quite an accomplishment.
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Old 04-16-2008, 11:59 AM   #9
forced4
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That is one cool car!
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Old 05-17-2008, 02:04 PM   #10
speedyHAM
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Got a good picture taken of my co-driver last weekend.

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Old 05-17-2008, 03:44 PM   #11
Storm
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Looks just like my car....except alot taller!


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Old 05-17-2008, 04:22 PM   #12
speedyHAM
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Quote:
Originally Posted by Storm View Post
Looks just like my car....except alot taller!

Jay Storm
Geez that's low. Did you find it beneficial to lower it that far? I know I should lower mine another 1/2" or so, but it looks like your car is at least 1.5" lower than mine.

What are your ride heights (if you don't mind sharing).
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Old 05-17-2008, 05:01 PM   #13
Aaron B
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Well, I'm guessing running 13" wheels has a little something to do with the overall height as well.
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Old 05-17-2008, 06:44 PM   #14
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looks like its going well so far. I think u will progress quickly enough to show the limitations of the ej205. if u have the extra weight, always keep an eye out fo that ej257 shortblock.

i think u may be to heavy to see the best results of teh r25. r35 maybe more suitable?

bigger bar up front, and eventually ur gonna cage it and ditch the stop gap sreet bracing. then u'll have fun!
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Old 05-17-2008, 08:35 PM   #15
Storm
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Yeah, the 13" wheels really drop the car down. To the point where it just doesn't roll much at all. That above pic is with 600F 450R rear springs and no bars at either end. My ride heights are 12.5" up front and 13" in the back. Here's another pic in a fairly heavy state of cornering.


I'm anticipating a little raise once we put the 15x10's on.....

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Old 05-18-2008, 02:57 PM   #16
shane86
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Sean, you need some new seat brakets :O

Got to take this thing out for a run during buck runs... i'm all strapped in, rev rev rev... launch... and the seat slides all the way back!

the best part, is the car's owner is running start marshal for me while i took the run!
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Old 05-18-2008, 05:24 PM   #17
speedyHAM
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Quote:
Originally Posted by shane86 View Post
Sean, you need some new seat brakets :O

Got to take this thing out for a run during buck runs... i'm all strapped in, rev rev rev... launch... and the seat slides all the way back!

the best part, is the car's owner is running start marshal for me while i took the run!
Called the seat company the nest day and they are sending me a new set. I was less than pleased with Courbeau. Apparently they had a few QC issues with the early sets of sliders this year and I got one of those sets. For now the seat is riding on some modified stock seat brackets and it works great. It might just stay on the stock brackets for how much better they work (and they aren't any heavier).
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Old 05-18-2008, 09:38 PM   #18
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yeah, I use to work at a shop that was a corbeau dealer...those seats are crap IMO...

"cheap" but you get what you pay for...
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Old 05-19-2008, 12:02 AM   #19
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that is a pretty awesome setup!
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Old 07-06-2008, 11:01 PM   #20
speedyHAM
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Some video that was taken at an autoX/ high speed run. Very fun event, a short autox course followed by a ~0.2 mile straight before the finish flags. I took 3rd at the event behind a pair of Evo's.

http://www.youtube.com/watch?v=f8Erjg80el4

http://www.youtube.com/watch?v=j7Ay0jpTFOk
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Old 07-07-2008, 06:49 AM   #21
Storm
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Sweet!!!! Looks good!

Jay
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Old 12-22-2008, 10:55 PM   #22
speedyHAM
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2008-'09 winter update-

I took 1st in XP for one of the two local clubs mostly due to showing up to every event and a certain Miata not being so reliable, and not very drivable in the rain. I'm happy with that, but for next year I want to be competitive when that Miata does run. My local XP competition took 6th at Nats this year 2.244 seconds out of first.

Plans include-

275/35R15 A6's on 15x10's
lexan
Front splitter
PnP turbo
Turbo inlet
equal length headers
E85 tune
3" lightweight turboback- just far enough back to be legal
Cross drilled rotors front and rear - weight savings
built tranny
Clutch front and rear diffs
35/65 center diff
and I'm aiming for it to weigh in around 2100 lbs ready to run

This car won't be going to any road circuts, it won't be driven on the road, it will just be an autox car.

I got started last weekend-





Next I have to get out those pesky door beams.

Compare the wiring to the pictures above from last year.


Last edited by speedyHAM; 02-22-2009 at 11:20 PM.
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Old 12-22-2008, 11:06 PM   #23
Homemade WRX
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sounds like quite the recipe sean...I'll be following the thread for sure.


Curious, how much does the car weigh now?
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Old 12-23-2008, 12:05 AM   #24
speedyHAM
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It was 2367 with 1/4 tank of gas at the beginning of 2008, right now it's probably 60 or 70 lbs lighter than that and dropping weight every time I work on it.
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Old 12-23-2008, 11:56 AM   #25
xcdhridr
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Sick!!!
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