Have owned my 2004, 125,000 miles, F350, 6.0l, cc, Fx4, 8' bed for 7 days. Took long trip from NW. Washington to S. Oregon, Beautiful trip love the ride even though no weight in bed. My only concern was a max 14.6 mpg on trip computer, did not manual compute mpg. Truck ran 70mph @ 2000-2150 rpm...
