Need some new tires and thinking about the 19. 5 plunge. I've got a 96 2500 and looking at the Rickson Eliminators with Cooper C140's on them. Wondering if anyone has had any bad experiences with the 19. 5's and if anyone know what the tires are speed rated for. I have heard many of the commercial tires in this range are only rated for 75mph. Not that I'm planning on speeding but it is kind of nice to roll along a little faster when crossing Montana. Any feedback or suggestions would be great!