Oil Galley Plugs posted by ZXRider(SoCal) on January 08, 2010 at 11:57 AM
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The few I have done don't have sealant on them in the NA block. They can't really "leak" as I think they are meant to bypass oil to the main oil galley if the oil filter gets blocked. If they leaked it would just mean a small amount of unfiltered oil would go into the main oil passage.