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Old 02-13-2012, 10:24 PM   #3 (permalink)
Master EcoModder
JasonG's Avatar
Join Date: May 2009
Location: Charlotte NC / York SC
Posts: 728

05 DMax - '05 Chevrolet 2500HD
90 day: 18.48 mpg (US)
Thanks: 114
Thanked 55 Times in 51 Posts
Welcome !
Look at your belly and the trailer axles as serious air disturbers.
Can you add a kamm to the trailer like a trailer-tail?

Oh, and welcome, where are my manners.

I can't understand why my MPG's are so low..........
21,000lb, 41' Toy Haulers are rough on FE!
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