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Old 12-09-2003, 01:21 AM   #1
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Default OBS to WRX front brake conversion....moving the front discs to rear

Has anyone done this? I can get a set of WRX front brakes, but i don't want to have too much front bias, and i don't like the concept of drums. what would i have to do to swap out the fronts, and move the front discs to the rear. Has anyone done this, or does anyone know what it would entail?

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Old 12-09-2003, 02:47 AM   #2
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Doesnt work like that... You have to swap the whole hub to get discs on the rear.
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Old 12-09-2003, 11:19 AM   #3
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Yup, what Kosta said. Also, when you're hunting for your rear discs/hubs, make sure you get them from an ABS equipped car if your OBS has ABS. Good luck.

- Trent
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Old 12-09-2003, 12:46 PM   #4
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The other thing everyone seems to be forgetting is the parking brake. The rear hub has an integral drum for the parking brake. If you somehow put your front rotors on the rear of the car (good luck with that ) you wouldn't have a parking brake when you got done .


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Old 12-09-2003, 03:30 PM   #5
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So basically it's a big pain in the arse? my OBS is an MY02. If i fet like every brake component from a WRX would it be doable? Are the master/slave cylinders the same?
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Old 12-19-2003, 01:21 PM   #6
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You should go to the website below. It has all the info about swapping drum for discs on the rear for a OBS. Now I'm just wondering is I can get WRX brakes to fit the front and rear of my OBS.

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Old 12-19-2003, 02:32 PM   #7
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I've done it. the front and rear brakes from an '02 WRX bolted right on to my '02 OBS. No bias problems either. If you search on my username in this forum and keyword "drum" you should find a bunch of info on part numbers for master/slave cylinders etc. IIRC, it is the same part number, same split point and reducing ratio on the proportioning valve etc.

With SS lines the braking is noticeably more controllable. Also I have STI suspension now, so less brake dive, hence more use of the rears. Don't bother with the swap unless you have plans for:

upgraded suspension like that, plus upgraded pads, plus some engine mods,

or long mountain descents,

or pulling a heavy trailer,
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