Now that Ford's embargo is over, TFL Truck has posted a couple videos of 7.3 mileage tests. SCREW non-Tremor 4x4 with 3.55 towing and unloaded on their standard loop, and and 800 mile trip to Denver with the same configuration, but 4.30s. IIRC the 3.55 was around high 15 mpg empty and the 4.30...