I cant believe yall are getting such good gas mileage. Just looked and Ive gotten 235 miles out of 3/4 of a tank. Did I calculate it right when I got 19.5MPG? thats saying I used 12 gallons because its 16-17 gallons to fill my truck up when the gas light comes on.
If I remember correctly.....a larger tire than stock will show "less" mileage on the odometer. SO you are getting more miles per tank than the truck shows.