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Old 09-23-2011, 11:33 AM   #12 (permalink)
JasonG
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Join Date: May 2009
Location: Charlotte NC / York SC
Posts: 728

05 DMax - '05 Chevrolet 2500HD
90 day: 18.48 mpg (US)
Thanks: 120
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The air bubble is a weird thing.

Mine moved and helped out when I added a tool box http://ecomodder.com/forum/showthrea...mod-14920.html

I think it moved it back, when I was forward the air flow was not going over the tail gate but was partly impacting into it.
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I can't understand why my MPG's are so low..........
21,000lb, 41' Toy Haulers are rough on FE!
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