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JasonG · 11-05-2010, 03:34 PM

Keep it simple.
Add a deflector wing on top of the truck.
They work better on 5ths but can help on TTs.
The good ones / homebrews fold flat when the trailer is off.
I am working on one that goes negative for a sort of kamm effect.

11-05-2010, 03:34 PM	#35 (permalink)
JasonG Master EcoModder Join Date: May 2009 Location: Charlotte NC / York SC Posts: 728 05 DMax - '05 Chevrolet 2500HD 90 day: 18.48 mpg (US) Thanks: 120 Thanked 56 Times in 52 Posts	Keep it simple. Add a deflector wing on top of the truck. They work better on 5ths but can help on TTs. The good ones / homebrews fold flat when the trailer is off. I am working on one that goes negative for a sort of kamm effect. __________________ I can't understand why my MPG's are so low..........