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Old 07-09-2003, 05:57 PM
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DR.DIESEL DR.DIESEL is offline
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Join Date: Mar 2003
Location: Puget Sound, Washington St.
Posts: 522
The 4 seal rings in the valve cover that seal the plug hole chambers could be seaping oil down into the plug hole.
Once there, the oil works it's way down the plug threads.
It does a pretty good job of keeping the threads lubed!
I would start with a new set of v/c gaskets. Don't forget to replace the copper crush seals for each v/c bolt as well.
DR.D
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