I have a 1991 MX-6 DX and it has 204,000 miles, all original drivetrain parts!!! in fact, Im the only person who has ever seen what the inside of the valve cover looks like and no-one has ever seen under the head!!! This thing is still barking tires too, I really wish I could get one of these things brand new for real!!!!! I bet I could crank 250,000 with all original parts if I had one new!!