WELL INSTEAD OF LETTING THE 15'' DAYTON'S TIRES GO TO WASTE I REMOVED THE IROCS AND INSTALLED THE DAYTON'S BUT NOT SUPPOSE YOU ARE GOING 60MPH AND SLOWLY START TO BREAK THE CAR SEEMS TO START TO SHAKE REALLY BAD WITH THE IROCS NEVER DID THAT ALSO THOSE SAME DAYTON'S ON MY 88 CAMARO IT DID THE SAME THING I WAS WONDERING IF MYSTERIOUSLY BOTH CARS GOT DAMAGED FROM THE SAME THING AND IF SO WHAT WOULD THAT BE OR DO YOU THINK ITS THE DAYTON'S CAUSING ALL THE PROBLEMS