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Old 05-01-2022, 02:46 PM   #5
68 P.O.S.
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Join Date: Jan 2007
Location: Puyallup, WA
Posts: 1,663
Re: Proportioning valve

Quote:
Originally Posted by Minkota View Post
The truck has disc on front, drum on rear.
You have the wrong valve for disc/drum brakes. Disc/drum uses a combination valve, while drum/drum uses the distribution block you have.

Replace it with a combo valve like this https://www.summitracing.com/parts/m...ckup/year/1972

Or a proportioning valve like this https://www.summitracing.com/parts/sum-g3906
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72 C10 lwb fleetside -stock 350/350 combo

Last edited by 68 P.O.S.; 05-01-2022 at 08:14 PM.
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