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Old 06-27-2008, 12:27 AM   #1
slammed70gmc
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Join Date: Jan 2008
Location: Knox, TN
Posts: 14
vaccum leak

Ok I'm trying to find a vaccum leak, already sparyed the intake and carb gaskest, and replaced them when i lost all my coolant. There is only the vaccum advance, pcv, and the vaccum modulator hooked up and their not leaking. its a loud hiss and it gets louder with no air cleaner. I'm out of ideas.

THANKS!
__________________
1970 GMC 4/6 drop
built 350 with double humps, autometer phantom gauges. WORK IN PROGRESS.
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