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Old 03-28-2003, 07:45 PM   #1
1968GMC
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Join Date: May 2001
Location: aylmer QC
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car proportioning valve

I am doing a drum-to-disc swap on my 68 gmc. I have P/B booster from a 70 3/4 ton. Can I use a proportioning valve from a 83 chev caprice as I have one laying around? Plus can I use a 73 up master cylinder from a 1/2 ton truck?
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Old 03-29-2003, 01:04 PM   #2
Blackhawkdc
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Don't qoute me on this, but I would assume that it would work. I picked up a valve from a '93 S10 to use with my '85 S10 master cylindar. Should work fine.
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Old 03-30-2003, 12:42 PM   #3
Longhorn Man
its all about the +6 inches
 
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It might work, might not.
Your best bet is to use the stock drum/drum piece and then install an aftermarket adjustable one.
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