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

geezer#99 · 08-25-2018, 01:45 PM

Timing!
Do you mean 8 degrees before tdc? Or 8 degrees after tdc.
You likely need it at 16 degrees before tdc.
Especially at your altitude.

Besides the. Carb, what other mods.
Headers,cam?

08-25-2018, 01:45 PM	#2
geezer#99 Registered User Join Date: Aug 2009 Location: Bowser Posts: 13,522	Re: Running rough Timing! Do you mean 8 degrees before tdc? Or 8 degrees after tdc. You likely need it at 16 degrees before tdc. Especially at your altitude. Besides the. Carb, what other mods. Headers,cam?