Joined: Nov 2012
Location: Broken Arrow, Oklahoma!
up to 34 under ideal driving conditions with my 2.73 differential. The highest I've seen with my 3.31 is 29. 28 is typical. My computer reads a tad low. I actually get a bit better if I calculate...less than 1 mpg better....
Santa Elena Canyon, BIG BEND NATIONAL PARK, TX 2014 Mustang GT Premium black on black and blacked out... MODS: Sound pipe delete, tint and 1-1/4 inch Draw-Tite hitch receiver (the towing package)