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

geezer#99 · 12-03-2022, 09:22 AM

Try your initial at 14. Plug off the vac advance when you set it.

You should start a thread in the engine section or 60-66 section to get more help.

12-03-2022, 09:22 AM	#7
geezer#99 Registered User Join Date: Aug 2009 Location: Bowser Posts: 13,522	Re: 66 gmc Try your initial at 14. Plug off the vac advance when you set it. You should start a thread in the engine section or 60-66 section to get more help.