Thread: 2004-2008 FX4 Gears?
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  #11  
Old 07-01-2009, 06:06 PM
mSaLL150 mSaLL150 is offline
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Join Date: Aug 2006
Location: Northern California
Vehicle: 2004 Ford F150 4x4
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Before I lifted my truck, I got betwen 18 and 20 mpg highway between 65 and 70 mph with 5.4 and 3.73 LS. I also had custom tuning though. Most long trips I would average around 19.2 mpg.
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