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Originally Posted by tholyoak
Believe what you wish, but there is no way over torquing your wheel lugs is going to warp a rotor.
The wheel stud attaches to the hub, not the rotor, the rotor sits flat against the hub, sandwiched between the wheel and the hub. If you were able to exert enough torque by over torquing, you would distort the hub not the rotor. Secondly if you did warp the rotor in this fashion, you would warp the mounting surface, and turning the disc would not cure the runout problem.
There many reasons to use a proper torque wrench to attach the wheels but warping the rotors in not one of them. Now if you under torque the wheels, the rotor could distort under braking forces if not clamped with the correct force between the wheel and hub, which will lead to damage.
Todd
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Todd your missing one factor in your theory there... What does the Rotor do when its gets Hot..... It expands and not just the disc, the Hat of the rotor also expands when hot, and if the torq on the lugs is too tight, it will not allow the hat to expand with the heated surface area of the disc and will cause warping.
Ever seen a 2 peice racing Rotor... The Disc/Surface area is separate from the hat and only held together by little nuts and bolts, This is because the heat that will be generated will be so high that a solid 1 peice rotor design's hat will not beable to expand enough to prevent warping. If the Hat cannot expand, it'll warp