Here is a little update on the REVO's. So far I have about 5,000 miles on them and IMHO these are pretty dang nice tires.
I have towed about 2,000 miles of that in and around the mountians of Southern Colorado. So far I am impressed. I have reciently ran across water on the roads (WOW what a concept) and they handle ponding real well, stabile with the trailer on the hitch, quite on the road, good in the sand too. I am looking forward to a bunch more miles on them. They also improve the look of the truck too VS the Michelins.

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07.5 3500 Quad, SRW, 4X4, Laramie, Leathered, Dark Metallic Gray, 6.7, 68RFE, 20K Reese, Ride Rite's, 2 Viair air compressors, Bully steps, Kleinn Locomotive air horns (5 in all), Billet polished locking fuel door, 'A' pillar mount Auto Meter Pryo, PML X-deep trans pan
06 Durango 285 RL 5'er Lifted by KZ