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gmc684x4 · 07-25-2020, 01:54 PM

Have you tried 10/40 ?

Did you check for coil bind on the valves?

07-25-2020, 01:54 PM	#5
gmc684x4 Registered User Join Date: Jul 2012 Location: Whitehorse yukon Posts: 1,218	Re: 396 experts need help Have you tried 10/40 ? Did you check for coil bind on the valves?