Right now I have a 2011 f350 crew cab 4x4 lariet with single rear wheels. I have a large tall (11 ft)cargo trailer I use in my business. With it loaded with 10,000 lbs rolling down the road at 70 miles an hour I average about 10.5-12 depending on the wind, and about 16.5-18.5 solo depending on the wind.
I'm wanting to chip this truck out and I've had several peoplke tell me that I could get as high as 14-15 towing and 22-24 solo with this work done(if I keep my foot out of it). This would pump up the truck to 950 ft pounds of torque on the high setting or I can tune it to the economy setting when solo.
I was wondering what everybody was getting since I haven't towed a 13ft trailer with mine yet, I wanted to know what a stock truck did.