| When driving the car at a constant 70mph during the first 10-15mins. I experience wheel shimmy on the front wheels. The closest sensation would be like having warped rotors except I am just driving at a constant speed. After the 15mins, the shimmy would go away. The issue basically arises each time I first drive the car. All suspension and brake components are bolted correctly and I do not think it is installation error. The car does have the 350z rotor upgrade with new rotors and wheels are balanced. I am suspecting the problem can be the following:
1) The front brake pads are being heated up at different rates because the pads might be dragging on one side causing the 10-15min of shimmy, but as the pads both come up to similar temperature, both pads offer same/similar friction characteristics.
2) A lip has formed on the outer pads due to the design of the 350z brake upgrade fitment and it is dragging on the outer rim of the rotor causing shimmy. I do not think this is the case, because if the rotor isn't 100% round, the lip constantly spinning would round off the pad where the rotor isn't 100% round. I have had this issue for a while now, but never thought too much of it because it becomes shakes much less/tolerable after 15mins. But I wanted to see if others had the same/similar issue. Therefore, does anybody have any ideas to my issue. TIA
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