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Actually, there are differences. Some anti-sieze is for high temps. But, here Porsche says to use one type of Optimolly (HT, I think). It does NOT change the torque values as others usually do. [Of course, lots of us bumpkins have used whatever for decades before finding that out. I sure did. But why not be anal and do what they say - otherwise you wouldn't be a true Porsche owner.] So do a search on optimolly or however it's spelled and you'll find the thread that ID's it for sure. Oil will change torque/tension relations vs. dry threads by maybe 20% or more.
Agree re the grit.
After cleaning that out, put a small amount of the anti-sieze on the curved part of the mating face of the lug nut, and on the threads. Or if the TSB says none on the threads do that.
Bruce Anderson published the TSB in his Excellence column some time ago.
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