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slammed70gmc · 06-27-2008, 12:27 AM

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!

06-27-2008, 12:27 AM	#1
slammed70gmc Registered User 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.