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

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Keep Getting VERY Bad spark bridged plugs in #5 and #7

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02-22-2011, 09:16 PM	#1
Scott26 Registered User Join Date: Nov 2010 Location: Fresno California Posts: 65	Keep Getting VERY Bad spark bridged plugs in #5 and #7 I keep getting miss fires and cant find them. I pulled the plugs again for the second time after changing them and they are completley covered in crap. Do i have something wrong with the valves i have some bad missfires. Thanks Attached Images __________________ 1986 GMC Sierra Classic 4X4

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