[Lkha]

Originally Posted by PerryB

Don't bother with a tuner unless you're going to do an intake and exhaust. Unless you're putting more air through the engine the tuner will do practically nothing. I would first install 4.56 gears. That's going to get you a noticeable improvement in launch and acceleration. The only downside is your mileage is going to go from bad to worse. Just curious, what do you get towing the trailer, five? I had a very similar truck and pulling an 8000 lb 5th wheel I typically saw about 7.5 on the highway.

Milage pulling is 5-7 bare is in the 11 range