I drilled mine for safety wire, as I do all my drain plugs so that I have no tendency to overtighten. Torquing the drain plug sounds like a good idea, but I just snug mine up pretty well, and safety wire in place. Never any leakage.
I do wish LN had made the shoulders much thicker. They are a real ******************** to drill for safety wire.
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Kippis
986S
991S
Van Diemen RF97
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