I finally removed the origional NCT's and put on Michelin Pilot XGT's. The difference is amazing. I have driven other Deloreans and they always rode smoother but I thought it was my old origional shocks. The steering wheel doesn't shake or shimmy at any speed. Bumps are much softer and the doors don't bang up and down on rough roads. The handling seems about the same, GREAT. I guess the origional tires hardened with age. I should have done this long ago. No one should be driving on NCT's anymore, they are way past thier prime. They are only good for Concours now. So, if anyone is looking for a set of NCT's I am offering them first to the members of the DML before they wind up on E-bay. They are cosmetically in excellant condition with NO tiny dry rot cracks in the sidewalls. They have 7,400 origional miles on them. None of them were ever even patched. All they are good for now is concours judging, I wouldn't recommend driving on them anymore. They are each evenly worn and would pass a State inspection since there is plenty of tread left. Anyone interested contact me off-list. BTW ALWAYS check the tire pressure and lug nuts after going to a tire place. They NEVER fill to correct pressure and they put the lugs on with that damm impact so hard you would NEVER get them loose without using an air impact wrench. I also had to have them rebalance 2 of the tires because they didn't see some of the wheel weights were glued inside the rim and didn't remove them before trying to balance the tires the first time. David Teitelbaum vin 10757