I currently have a set of cooper HT tires on my silverado. The only thing I've noticed about my coopers is that they don't seem to accept tire dressing very well. If I apply armor all or 303 I'll get blochy areas on the tire. I never had this problem with my Goodyears or Dunlops. I assume this is because the compound on the sidewall is made just a tad harder than normal. I'm due for a new set of tires and I don't think I'm going with coopers again. I'm thinking about something in the Kelly line. What do you think?