I have a 2008 explorer 2 whl dr, 4 door, 4.0 with 18 in factory chrome wheels. I am selling it and placed the 18in wheels with original Michlein tires, on my 1999 explorer sport, 2 wheel dr, 4.0 2door. The front end wobbles at 55 to 75 MPH. Had the front end aligned and wheels balanced again...