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[bnjmnalan]

Originally Posted by fxdwgi

18-19 mpg on my truck @ 70-75 mph.

It only took $5000 to get it there.......

fxdwgi claims the above #’s driving a ’01 F350 4x4 Crew Cab on 315/75 (35” tires) and a 4” lift. (According to his signature)

Big heavy truck, 4 Wheel Drive, High speeds, Lifted, Big tires and Great MPG’s??
That was a well spent $5k. Your pushing me to the edge of what I’m willing to believe. Of course this is posted on the internet so it must be true and accurate. Were you climbing a 7% grade against a 20mph wind as well? I'm mostly just joking around. If that is accurate then I am definately interested in the mods you have in your truck!

The very next post is the exact opposite:

Originally Posted by butchcassidy1

20 - 21.8 mpg (hand calculated), 5- - 55 mph, cruise on, unloaded, 265 tires, not lifted, tire pressures 50 in front, 60 in rears, no jack rabbit starts, coast up to stop signs, red lights.

Butchcassidy1 claims the above #’s driving a stock (according to sig) 2wd (assuming reg cab).

Relatively small, No lift, Stock tires, Slower than Grandpa on a Sunday afternoon and only a 1-2 mph difference from fxdwgi.

These two claims don't seem to be consistant unless the mods fxdwgi has really do make that much of a difference. From what I've read on these forums, the tuning doesn't make that much of a difference but I have heard good things about Transmission / torque converter upgrades. Any other similar experiences?

Both these guys are getting way better mpg's than me so I AM jealous! Maybe I can combine fxdwgi's mods with butchcassidy1's driving style and have a sweet truck that gets 30 mpg?