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Manifold vacuum pressure

To: 6pack@autox.team.net
Subject: Manifold vacuum pressure
From: DaCRANEz@aol.com
Date: Wed, 19 May 2004 15:44:27 EDT
I cannot find in any of my manuals the vacuum pressure value  at idle for a 
carburated engine.  Actually I need to know what it is at 1000 RPM as my more 
aggressive cam won't let it idle at 850.  Does 12 psi sound about correct? I'm 
trying to find out if my non-functioning retard capsule is defective or if I 
have insufficient suction.  Thanks in advance.
Mike C  '71  CC62976L





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