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**Warrens69GMC** · 10-19-2011, 11:57 AM

Are you running ported vacuum or full vacuum for the vacuum advance?

10-19-2011, 11:57 AM	#3
Warrens69GMC Registered User Join Date: Jan 2003 Location: Safford,AZ Posts: 3,626	Re: 327 SB 1406 Edelbrock on Performer Q Jet manifold Are you running ported vacuum or full vacuum for the vacuum advance? __________________ 1969 307, t350 1950 Chevy Wagon 1978 Big 10 1967 C10, 250,3-OTT