Rear drum to PBR disc
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Joined: Apr 2005
Posts: 490
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From: Hamilton ON Canada
Car: 87 GTA t-top
Engine: L98 350 w/RMT
Transmission: 700R4
Axle/Gears: 9 bolt BW 3.45
Rear drum to PBR disc
I got a rear end from an 89 GTA with the PBR disc brakes, I have an 87 GTA with drum brakes.
Do I need to replace both the master cylinder and proportioning valve or just the valve?
Do I need to replace both the master cylinder and proportioning valve or just the valve?
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Joined: Jul 2007
Posts: 777
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From: Tampa/New Hampshire
Car: 91 camaro RS, 87 T/A
Engine: 350 TBI, 305 TPI
Transmission: 700r4
Axle/Gears: 4th Gen 3.42/BW 3.45
Re: Rear drum to PBR disc
Just the prop valve, and some say you dont need to. I personally say you do. The master that you have will work fine.
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