96 F-250 ext. cab powerstroke 249,000 mi. Runs great 3in. down pipe, 4" exhaust, Edge Evolution, external tranny filter, extra large tranny cooler, and F-350 front axle. It spent the first 8 years and 230,000 mi. towing a large goose neck trailer all over the united states. The last 6 years i put on the 19,000 mi. hauling my toys on the weekends. It will still get 18 mpg if i cruise at 55 mph or haul the sled deck with beaver tail empty at 75 mph from yakima over Snoqualmie to puyallop, only 16-17 mpg if i go any faster than 55 empty and 12-14 mpg hauling a 4,500 lb enclosed snowmobile trailer.