Increase MPG
I have a 2014 GMC Sierra 2500HD with the 6.0 gas burner. I have been looking at computer programmers and air intakes. Has anyone done any of these mods and did it increase your MPG any?
Forum Discussion
Don,
He mostly drove the Chicago area tollways and expressways where traffic moves at 70 MPH (speed limit is 55 MPH).
He mostly drove the Chicago area tollways and expressways where traffic moves at 70 MPH (speed limit is 55 MPH).
