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tire cupping

  1. F-350 tire cupping

    Wheels, Tires, and Brakes
    I've got a 2011 F-350 4x4 crew cab long bed dually with 26,400 miles and I need my 3rd set of tires. The front and outers are cupping across the tread. I had it in 3 Stealerships, 3 alignment shops, and 2 tire shops and no one can find anything wrong. The alignment is better than factory and...