myredracer wrote:
Is there something about ST tires that don't last as long as light truck LT tires? The original OEM tires on our old truck lasted 13 years (only close by around town use) and probably would have kept going except when we got a new TT and planned a new trip, decided it was time to replace them.
Are ST tires running on the edge at 65 mph?
A very high percentage are, as you say "running on the edge at 65 MPH".
At 65 MPH the ST tire is providing it's maximum load capacity, above that - depending on the actual load - they will degrade rapidly.
FastEagle