57 on the interstate???? Make sure your in the right lane if I come up on you....
Your mileage sounds about right, keeping it under 2000 rpms is the sweet spot. 57???
I guess it could be worse, the min is 45
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2003 7.3 Excursion Limited Ultimate, Mineral Grey Metalic. DVD, Limited Slip, Badged, Cab Lights, Magnaflow, Thule Rack, Top Gun Bumper, 3" Lift, T Prodigy, Air Bags, Edge Programer, XM Radio, Extreme sound system. PIAA Lights, Toyo 325/60/18s on Chrome Alum rims.
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