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Old 02-17-2015, 07:01 AM   #1
Mjminino
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Join Date: Nov 2014
Location: Omaha
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4.8L Vacuum

How much vacuum does a stock 4.8L generally make? The truck had absolutely no brakes when i bought it and I am looking to switch over to disk brakes. and I have no idea what size brake booster and either single or dual diaphragm to acquire. Thanks in advance!
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Old 02-17-2015, 11:05 AM   #2
tinsoldier
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Location: Peachtree Corners, GA
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Re: 4.8L Vacuum

I am getting 24-28psi plus.
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