In a message dated 9/18/99 12:09:44 PM Eastern Daylight Time, Chris.Coplen@xxxx writes: << m having a SERIOUS problem with the car "wiggling" at highway speeds. It feels like both the front and back swing right and left as I go down the road. It's kind of a slow "floating" and "swaying" feeling. At speeds around 100+ it's downright FRIGHTENING how badly it sways. You have to REALLY hold on to the wheel to keep the car going straight. Sometimes it requires counter steer, this is how bad >> This may sound to simple,but maybe the guage you are using to check the air pressure may be way off,causing you to put improper air pressure. Claude 000570