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The lug nut torque discussion came up in Tech a few years ago. What little bit I recall from that was that the threads have to be clean and dry. I like to use a bit of anti-seize on the threads despite this conventional thinking, and still go to 95~98 pounds per foot. I do clean the threads with a brass brush prior to installation. Porsche says to not use anti seize on the bolt cap or the ball. They like the mating surfaces to be dry, in other words.
If the bolts are overtorqued, then not only can the bolts or studs be damaged, but the wheel and hub may be distorted as well, causing a permanent wheel vibration.
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