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Old June 29th, 2011, 09:04 PM   #5
aka Langford
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Join Date: 11-02-07
Location: La Salle, MI
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2011 F-150 Fx4 CC SB
Ecoboost 3.5 V6
6 speed auto
Axle ratio:
33x12.5r20 Toyo MT's

Best Fuel Economy Empty (6000 lb):
19mpg 60-65mph unloaded highway, averages 15 city. (My tires and gears aren't ideal for fuel economy)

Best Fuel Economy Loaded (12,000 lb...6k truck, 6k trailer (at least))
8.5mpg, average over multiple 500+ mile round trips from home to the dunes and back

Load / Driving:
truck loaded with gear and 2 people, 24x8.5 enclosed trailer/ cruise control set on 65.

While drafting a semi, I was averaging 12.7 mpg...but that is cheating (which I try to do as often as possible). Yes, I know I should have bought a new diesel instead...2.5 more years and I will.

Last edited by 04PSD; June 30th, 2011 at 07:28 AM.
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