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

jgreene0717 · 05-10-2010, 04:30 PM

That should be in the ball park. Just listen out for any detonation while driving and if you are getting any now you may want to try it at 34 degrees total with vacuum advance disconnected.

05-10-2010, 04:30 PM	#2
jgreene0717 Jason Join Date: Sep 2008 Location: Wetumpka, AL Posts: 152	Re: Big Block ignition timing That should be in the ball park. Just listen out for any detonation while driving and if you are getting any now you may want to try it at 34 degrees total with vacuum advance disconnected.