Originally Posted by barry1me
My 02 duramax with PPE hot ET I got 20MPG as well. Granted that was with a sled in the bed, and 60mph easy driving. Same conditions this year I got 19mpg with my 6.4L with a sled in the bed and a spartan 250 tune (60-65mph).
with my tuner on 210, i cant keep it under 75 its just too much fun!!
rumor has it that me and a few buddies are gonna hit the 1/4 mile with the tow rigs this summer.
anyone got stickies for a 1 ton i can borrow?