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Old 01-22-2011, 07:53 PM   #89 (permalink)
slowmover
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Join Date: Oct 2009
Location: Fort Worth, Texas
Posts: 2,442

2004 CTD - '04 DODGE RAM 2500 SLT
Team Cummins
90 day: 19.36 mpg (US)
Thanks: 1,422
Thanked 737 Times in 557 Posts
I am convinced the topper is costing me in drag.

Due to adverse winds? Outsiders don't really get it that Texas is the land of wind. I notice that my LEER topper increases sail area, but I also feel that it is worth about 3/4 to 7/8 mpg in low or following prevailing winds. (I have yet to have a true tailwind). I am assuming that yours is a close fit.

BZP, what is your experience with winds thus far? Any days of constant 15-20 mph winds with gusts to 40 or better? The Coastal Bend is impressive for constant and gusting winds higher than this.

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