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Re: MPG questions.
Your tire pressure is way low for E rated tires. I run 80 psi and my truck is very sensitive to that.
A lot of it is your configuration.
Crew cabs are heavy and that costs you some MPG.
4x4 costs you 2 MPG over 4x2.
The automatic robs you of 2 MPG.
If MPG is important to you, don't put bigger tires on it and lift it.
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'00 F-350, 4x2, 6 Speed AIC 210,000 miles
3.08:1 Gears
Fuel tank mods: MaroonHarpoon, Pre-Pump,
Evans, 203 degree thermostat, Poor Man's Tymar, 4" Single SS Exhaust, Rugged Air Dam
225-75x16E tires in front 235-85x16Es in back, tires aired up to 100 psi, Lowered 4" in front and 6" in back, "Fastback" bed fairing
21.3 MPG before mods
27.0 MPG tested with mods
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