The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Keep Getting VERY Bad spark bridged plugs in #5 and #7

Toxic Redline · 02-23-2011, 12:24 AM

Not sure, but it might be worn valve guides... but that would be like one or two cylinders not all.... if it is one or two you could try running hotter plugs to burn that oil off and start preparing for a rebuild..

02-23-2011, 12:24 AM	#9
Toxic Redline Registered User Join Date: May 2010 Location: Ogden, Utah Posts: 219	Re: Keep Getting VERY Bad spark bridged plugs in #5 and #7 Not sure, but it might be worn valve guides... but that would be like one or two cylinders not all.... if it is one or two you could try running hotter plugs to burn that oil off and start preparing for a rebuild.. __________________ 84 K20 Long Box W.I.P 78 Burb - parts now [Rolled] 68 c20 dump bed WHEN IN DOUBT--- FLOOR IT