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Old 03-03-2015, 12:29 PM   #15 (permalink)
Big Dave
Master EcoModder
 
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Join Date: Jan 2008
Location: Steppes of Central Indiana
Posts: 1,319

The Red Baron - '00 Ford F-350 XLT
90 day: 27.99 mpg (US)

Impala Phase Zero - '96 Chevrolet Impala SS
90 day: 21.03 mpg (US)
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From a MPG-only standpoint a tonneau is second only to a full-blown aerolid.

A block doghouse makes you an Excursion (aerodynamically).
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2000 Ford F-350 SC 4x2 6 Speed Manual
4" Slam
3.08:1 gears and Gear Vendor Overdrive
Rubber Conveyor Belt Air Dam
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