The AT3's have been on my GX for a month now, and have 2800 miles on them. Useage: 1. daily commutes, 2. 500 mile interstate run in a driving rain storm, 3. 300 mile run to the Bankhead NF with about 40 miles on NF roads and two-track, very sloppy, while towing a trailer, and 4. one day of...