Proportioning Valve question in rear diff swap
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Proportioning Valve question in rear diff swap
I am swapping out my stock 91' 10 bolt w/drum brakes for an 89' 9 bolt w/disc brakes.
I can't find a clear answer in if I need to change out the proportioning valve or not.
I can't find a clear answer in if I need to change out the proportioning valve or not.
Joined: Jun 2015
Posts: 2,191
Likes: 244
From: Austin, TX
Car: 90 Formula / T-tops
Engine: 305 TPI
Transmission: MD8
Re: Proportioning Valve question in rear diff swap
yes, you do. There are several threads in the forum that discuss this in detail. use google to search, and plug in thirdgen.org proportioning valve. you'll find the info you need.
Joined: Mar 2001
Posts: 10,421
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Car: '89 Firebird
Engine: 7.0L
Transmission: T56
Re: Proportioning Valve question in rear diff swap
The drum and disc proportioning valves are different.
https://www.thirdgen.org/forums/ltx-...ml#post6282726
https://www.thirdgen.org/forums/ltx-...ml#post6282726
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