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Old 12-17-2004, 08:22 PM   #1
the mike
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Member#: 30926
Join Date: Dec 2002
Chapter/Region: Tri-State
Location: the 08075
Vehicle:
2003 MBP
Sedan

Default Rear disk conversion/diff conversion

So I recently picked up a 93 1.8L that already has had a 2.2 conversion done to it. This is fine for my purposes. What I can't stand is rear drum brakes.
I did a search and came up with no definate answers.
My question to you is...
What are my options for a rear disk brake conversion?
If someone could point me to a page that has ring gear ratio's for different models(or where in the VIN/car to look).
What I would ideally like to do is swap in an R160 from a WRX and find out what front brake options I have as well.
So as of right now I:
1. Have no idea what rear is under the car now.
2. Have no idea what the gear ratio is.
3. Am unsure as to what disk conversion options I have.

Any help would be appreciated.
Thanks in advance,

mike
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Last edited by the mike; 12-17-2004 at 09:35 PM.
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Old 12-17-2004, 08:27 PM   #2
LaParka
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1999 EJ257 RS
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Last edited by LaParka; 12-17-2004 at 08:28 PM. Reason: and this
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Old 12-17-2004, 09:41 PM   #3
the mike
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Sedan

Default

Thanks man, that answers question number 2. I have a 3.90 rear end.
It looks like I am looking toward a 2002-2003 TS or OBS for the correct ratio gears. Now to find out what the code for the rear in my car is(R160 for example) and to find out the feasibility of the TS/OBS rear swap.
As an aside, this car was bought solely for the ability to run hard on dirt.
I have the EVO for tarmac runs, the Suby is a rally project so I am looking to upgrade to the newest parts I can find. Like I said, rear disks with an adjustible proportioning valve would be nice.


mike

edit. Just saw that you added another link. There is a lot of good stuff in those two pages. Thanks.
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Old 12-18-2004, 11:26 PM   #4
linsavy
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1997 GF4-STiV3 clone

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All 2.2l L's with manual tranny have 3.90 gears.
You probably do not need an adjustible proportioning valve. Most rear disc conversions are fine without it, but some people get better results with an SVX master cylinder.
Any rear disc set up will work except the STi 2 pots. Try to source the whole deal all at once from ebrake cable to whole knuckles and lateral links. It will make your life much easier.
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Old 12-19-2004, 02:05 AM   #5
the mike
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I am actually going to try to source a complete TS differential assembly to make things easier. We'll see what comes up first.
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Old 12-19-2004, 08:50 AM   #6
wrx plus
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2003 RWD WRX
Alcohol injected, WRB

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Adjustable proportional valve is available at www.summitracing.com
part number WIL-260-8420
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