With oldish Bridgestone Potenza tires, my 1996 Porsche 911 C4
had a severe case of tram-lining, also bucking on every expansion
joint, and noisy ride. With plenty of tread left, I thought it was
the front end, and replaced shocks, tie rod ends, etc, which helped
only slightly. The tires finally wore in back to the point of
needing replacement in the fall of...