I have 285/70/17 and my brother has 265/75/16 Duratracs. Work great in sand, mud, snow, ice, quiet on highway, I only have ~5K on mine still look new, Brother has ~20K still have ~1/2 tread left. He had 2 sets of BFG ATs and only got 20k out of each set. He drives his LLY a lot more.
LB7 2004, CCSB. Straight pipe, K&N, AD100, EFI Live IdahoRob, Big Head WG, Edge CTS, Studs, Profab Horn, Batmowheel, Tinker with B100, WMO, WVO.
If fuel prices get any higher I am going to cut a whole in my floor and Fred Flintstone this Bitch!