I've run the Toyo M55 255x85r16 on my Chevy 2500 durmax. They are tuff as nails and wear like iron, balanced well, did well Offroad and onroad, and very well in snow and ice. I got 65k miles out of them. I'm now running Toyo Open Country M/T 255x85r16 and they have done well so far, but i've...