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no rear brakes

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Old Feb 14, 2010 | 11:23 AM
  #1  
yevgenievich's Avatar
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From: college station, texas
Car: numerous
Engine: ls1, others
Transmission: t56, others
Axle/Gears: 3.23 7.6"
no rear brakes

i have a problem i am trying to solve. Originally i had a drum rear end and the rear brakes never really worked. With the rear end up in the air and in drive pressing the brakes as hard as i could the rear wheels would still slowly spin. Forward about a year and i swapped to disk brakes in the back with new rotors and pads. They work but similar to the drum brakes i had and barely hold the rear wheels in place when in drive. I am thinking that i might need a new proportioning valve but not sure which one to get or if that would help my problem or not.
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Old Feb 16, 2010 | 09:04 PM
  #2  
skirkland1980's Avatar
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From: morrow, ga
Car: 82 S10, 83 280ZX, 84 Z28
Engine: 355 smallblocks..na, 2.8 turbo
Transmission: 85:th350, 84:700R4
Axle/Gears: 85:ford9 4.85, 84:stock 3.24
Re: no rear brakes

mine did the same when i changed to disk rear. have you replaced the rubber flex line? they can rot inside and cause a blockage.
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Old Feb 17, 2010 | 06:46 AM
  #3  
JamesC's Avatar
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From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: no rear brakes

Originally Posted by yevgenievich
I am thinking that i might need a new proportioning valve but not sure which one to get or if that would help my problem or not.
Info on the correct combination valve is toward the bottom of the following FAQ:

https://www.thirdgen.org/forums/tran...-10-bolts.html

JamesC
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