I currently run 235/85/16s BFG ATs on my Gen3, and have for several years now. I spend way too much time on the highway, sometimes in 120* heat. I've had the vehicle loaded down for 4 weeks worth of camping and road tripping through the western US and Canada. In our most recent storm, they did just fine on the highway when the snow hadn't been cleared, and when I was in town, I aired them down to 25PSI or so and never had an issue driving around.
I like the tires and the size. I've had the same ones on a WJ and on an FZJ80....no issue whatsoever with any of them.
Of note, on the long road trip we took, the suspension was not up to the added weight, and affected handling quite a bit. I'll be going to an OME system here shortly, so we'll see if the changes how I feel.