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  1. ChevyfreakLBZ

    LBZ: Valve coating flaking

    Hi guys I'm new to the forum, sorry in advance if I sound like a a idiot, but I wanted get some insight on a weird issue with my valves I've never seen before. I took my heads to the machine shop to have them resurfaced, and asked the machinest to pull a couple valves to check my valve guides...