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geezer#99 · 12-02-2022, 01:40 PM

Welcome from the Island Kent!
Vancouver Island that is.
Headers lean out your motor. You need to rejet or add a bunch of initial timing. Timing is easier.
What motor/trans you got?

12-02-2022, 01:40 PM	#2
geezer#99 Registered User Join Date: Aug 2009 Location: Bowser Posts: 13,516	Re: 66 gmc Welcome from the Island Kent! Vancouver Island that is. Headers lean out your motor. You need to rejet or add a bunch of initial timing. Timing is easier. What motor/trans you got?