Kanati/muteki trail hogs are available in 265/60r20 and are snowflake rated. They are basically a straight up Goodyear Duratrac copy but have 3 ply rated sidewalks instead of 2. I had a set in that size on a dmax and hated them as they were too loud for me and seemed to be wearing fast. They...
I have the Kanati Trail Hogs (same tire) in 265/60r20 on a 2500hd diesel crew with camper shell. They are a 3 ply sidewall as opposed to a two ply on the Duratrac, otherwise they are a pretty blatant copy of the Duratrac, which is not made in my size.
I can't comment on mileage yet but they...
I have done it before. I used the bumper hooks for the rear and a spring loaded turnbuckle to a short piece of chain to the cargo hooks in the bed. It was a used camper and the bracket kit was for a different brand truck. It held tight with no shifting over 5,000 miles, including several...