The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

msgdsrf · 09-13-2013, 06:13 PM

Vacuum advance to full manifold or ported? If hooked to full manifold, it could be droping timing with the load in gear.

09-13-2013, 06:13 PM	#6
msgdsrf Registered User Join Date: Jul 2012 Location: White Salmon, WA Posts: 263	Re: Big RPM drop from park to drive??? Vacuum advance to full manifold or ported? If hooked to full manifold, it could be droping timing with the load in gear.