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Master cylinder upgrade question..
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Old 07-28-2011, 11:55 PM   #11
FuJi K
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Impreza L non-ABS are 15/16
OBS/RS/WRX/Forester are 1"
Legacy Outback 96+ are 1 1/16"
WRX STi GDB are 1 1/16"
SVX AWD/FWD are 1 1/16" (diff parts for AWD and FWD)


Quote:
Originally Posted by 69subaru360 View Post
The RS, WRX, STI, SVX and all the foresters and legacys with 2/1 pot are all 1 1/16". There are different 1 1/16" masters that fit different boosters and different line configurations.

There was a 1" master for a few years on the legacy with the smaller 1/1 pot discs.

All the non abs drums cars are 15/16"

I have a few RS masters with boosters in my FS threads for $20 each. If your car is abs and has a 2 port master this would work.

If you don't have abs, the 4 port non abs master is the upgrade.
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Old 07-29-2011, 04:37 AM   #12
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Quote:
Originally Posted by shemvs View Post
I'm using a '94 SVX MS on my '98L, straight bolt up affair. I suffered the same issue after upgrading to the '06 WRX calipers and this did the trick. The '94 is non abs as is my '98L.
My 99 is abs, so a 92-97 svx with abs would be a direct bolt up correct? At least what I got from joshuas post
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Old 07-29-2011, 04:58 AM   #13
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Quote:
Originally Posted by FuJi K View Post
Impreza L non-ABS are 15/16
OBS/RS/WRX/Forester are 1"
Legacy Outback 96+ are 1 1/16"
WRX STi GDB are 1 1/16"
SVX AWD/FWD are 1 1/16" (diff parts for AWD and FWD)
I can confirm abs fwd and abs awd svx are the same
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Old 07-29-2011, 08:23 AM   #14
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I gotta do this svx upgrade sometime
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Old 07-29-2011, 10:45 AM   #15
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Quote:
Originally Posted by Jake View Post
I can confirm abs fwd and abs awd svx are the same
opps.... my bad.... the non-abs and abs units I mean....
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Old 07-29-2011, 03:39 PM   #16
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Got mine today new from carquest for 61$ win. Will be going on tomorrow after work.
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Old 08-01-2011, 09:49 PM   #17
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I did the same when I upgraded my '95 L from single-pot fronts/drum rear to 2-pot fronts and RS/WRX rear discs. Non-ABS 1-1/16" SVX MC bolted up to my stock single-stage booster, works great.
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Old 08-10-2011, 08:16 PM   #18
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ok lets try this again. the SVX isnt even close to being right for a direct bolt up. resevoir points are different, no sleeve out to the booster, ports further apart (this part, nbd). i went with a 97 SVX master WITH ABS
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Old 08-10-2011, 08:57 PM   #19
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So, if you have an abs car, the svx abs master is what you need? Also, did you abs guys have any issues bleeding your system?

I'm thinking I also wanna do this swap after I get my b13 lgt brake swap completed. I'm still held up by powder coating and front pads.
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Old 08-11-2011, 02:22 PM   #20
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that's the impression but it is not so. Ill post a picture of the difference of the two when I get to my laptop.


Edit.. nevermind. Can upload from tapatalk now.

My 99 obs one is on the left. Svx is on the right. Sure it fits in the hole but resevoir is different, along with the cup for the booster plunged.. aagghhrrghhghhhhhh I hate my mooshy brakes.
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