Quote Originally Posted by Turbo6.0L View Post
Have you broke the tires off the wheel and looked inside. There could be an internal issue with the tire coming apart. The tire will balance but under weight things get all screwed up. Think of it like a flat spot on the inside and at a certin speed the harmonics are just right for all hell to break loose.
No sir I haven't had the tires off since I bought them. I needto pull em anyway so I can coat the wheels.