For the OP, for an honnest answer, try "neverseize" then toque them.
The threads do nothing for locking the lug nut into place, so neverseize can be used with no problem on the threads only. Its the lug nut TAPER that locks the nut on.
For the guy at KAL-Tire, he's full of BS.
If you torque them with any type of lubricant the torque values change