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Old 08-19-2008, 01:30 PM   #1
RPJOHNSON2
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Join Date: Feb 2007
Location: FREDERICKSBURG VIRGINIA
Posts: 7
Need More Vacuum For Disc Brakes

I have about 17 lbs of vac. going to the booster from the a 1 port valve from the back of the intake and about the same from a back of the carb. how can i get more vac.Im working on a 72 blazer 4x4 with a/c

Last edited by RPJOHNSON2; 08-19-2008 at 01:34 PM. Reason: more info
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