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Re: oil covering #4 intake valve ONLY, 1992 cummins 5.9
Well y'all, I've checked everything I can check, and haven't found anything wrong. The ONLY thing that seemed odd to me was, after I took a flat sharpening stone across the bottom of the head a few times after lightly coating it with WD40; the nextday I saw a ... Login to read more. ![]()
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