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Old 05-20-2020, 04:33 PM   #8
WyoRoadDog
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Join Date: Jul 2006
Location: Laramie, WY
Posts: 299
Re: K30 / K5 Frankenstein: braking problem

My guess, and only because I’ve been researching as part of a swap I did, is you have the wrong proportioning valve ( and maybe MC). Was it originally a four wheel drum vehicle? Disc drum needs a different PV from that, and MC should have a front chamber (disc) that’s larger than the rear (drum).
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