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Old 04-13-2013, 11:27 AM
Hermes1's Avatar
Hermes1 Hermes1 is offline
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Join Date: Jan 2013
Location: Phoenix, AZ
Age: 60
Posts: 2,526
Gender: Male
Vehicle: 2012 Ram 1500 4WD Quad Cab
Trim Level: Sport
Color: Flame Red
Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
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Quote:
Originally Posted by becact View Post
With modern day aerodynamics, it really doesn't matter:



AS you can see the air doesn't even go into the bed. On older trucks, it's been shown (in wind tunnels) that with the tail gate up, the wind hits the tailgate, swirls up, and forms a high pressure zone that the air rides over (much like the above image, actually). I think tonneaus for MPG is a myth. Buy one because you need or want one, not for MPG!
Great graphic, I think this addresses the debate very well.
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Regards, Bruce
Sure you can take my truck, the door is un-locked and the keys are under my Akita.
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