ok heres what i have so far.
the truck is not its most fuel effecient on the highway. theoretically it should do 85 on the interstate at 2500rpm. if i floor it i can get 73, but not exact on rpm.... maybe 2000-2200, i dont have a tach but i know its not fuel effecient doing that
145 miles =60 miles highway (65 to 70)/85 town
24.16 mpg!!!!!!!!!!!!!!!!!!!!!!
250 miles =220 miles highway (65 to 70)/30 town
23.7 mpg!!!!!!!!!!!!!
tomorrow im going to try and drive just town miles or less than 60 to check.