I have ST235/80/16 Karrier (china) tires on my trailer. These tires are E range, and have a weight of 3462lbs, and at 90
PSI, which I find to be disturbing. I want to go to an AMERICAN made LT235/85/16 tire. The two axels are rated at 6000lbs. each, and the LT tires are load range E at...