We have a 2006 Tundra like yours but 4x4, and our trailer weighs 5000# or less when loaded. As for control, make sure you have a wt dist hitch with sway control, and that it is set up properly, and a brake controller (the Tundra is prewired for it).
Always disengage the overdrive when towing, or the transmission will constantly be shifting up and down, and the engine does not develop enough torque at the lower rpm. Plan on slowing down for hills and shifting down to keep the rpm in the 3000-3500 range, both going up and going down the hills. On steeper grades keep rpm up a bit and shift down as needed, both up and down the grade.
Its a nice smooth tow vehicle, and what you lose in speed on the hills you will gain in fuel economy, repairs, and safety. I see virtually no difference in fuel economy with or without overdrive when towing.
Doug
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