u can get one of those SUPERCHIPS. i dont have personal experence wit them but they do have a economy setting to save gas.
make sure your tire psi is where it's suppose to be. Try to keep them the same across the axle.
And don't pile excessive junk in the truck. No sense in lugging around weight you don't need.
Originally posted by 1964badbug
i get a rediculous amount of mpg increase from city compared to highway90 gallons to a tank in town and about 200 on highway goin about 80its awsome lol
what did you do to get that big of a change?