And here's the rest of the cut and paste from that same section. "How fast can I travel..." on the Carlstar website:
Please remember that speed ratings are test speeds and not recommended driving speeds. The ratings apply only to the tire itself, and not a particular vehicle. The speed rating does not mean that the vehicle can be safely operated at the tire's rated speed.
We recommend driving no more than 60 mph when towing a trailer. Please always drive at a safe speed and abide by the posted speed limit.
I wonder if that same FAQ has been distributed to the Bassmaster Tour group. If they tow their trailers anywhere close to how they drive their boats, Carlisle was probably replacing a lot of tires. :B