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

geezer#99 · 08-15-2018, 08:12 PM

Have you checked and run the valves?
Tried more timing?
Checked the balancer/timing tab are accurate?
Done a compression or leak down test?

08-15-2018, 08:12 PM	#2
geezer#99 Registered User Join Date: Aug 2009 Location: Bowser Posts: 13,785	Re: Backfire under loads Have you checked and run the valves? Tried more timing? Checked the balancer/timing tab are accurate? Done a compression or leak down test?