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  #11  
Old 02-15-2011, 03:36 AM
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sounds liek a case of a lighter foot. lol
i saw the mythbusters episode as well and if anything you MPG should go down
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  #12  
Old 02-15-2011, 11:54 AM
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Quote:
Originally Posted by Chili1K View Post
i bought a truck, not a prius!
Thats the first thing I think of everytime I see a mpg thread!
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  #13  
Old 02-15-2011, 01:21 PM
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No...and having the tailgate down will gain zero mpg.
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  #14  
Old 02-15-2011, 09:59 PM
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My cover does a GREAT job of keeping my luggage dry on the way to the airport!! =)
Now, if we all had Ford single cabs like Mythbuzzard's did, well, then we'd know for sure, eh!! LMAO!!!
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  #15  
Old 02-16-2011, 08:02 AM
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My tonneau keeps my BedRug nice and dry.
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  #16  
Old 02-21-2011, 09:00 PM
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not it doesnt and if anything your only gonna get like a mile per gallon more
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  #17  
Old 02-21-2011, 10:29 PM
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I have spent some time doing scale tests in a wind tunnel to determine the effects of running with and without a tonneau cover. Using a tonneau cover did decrease the coefficient of drag on our scaled model. The decrease was by less than 5%, but that can still account to fuel savings. A decrease in 5% Cd could result in up to a 1% increase in fuel economy, which is not a lot, but over 1000 gallons of fuel consumed, you may save 10 gallons.
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Old 02-22-2011, 03:51 AM
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I believe it was cover on or off didn't matter, but tailgate off decreased the milege
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  #19  
Old 02-22-2011, 04:13 AM
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I bought my last truck and most recent one with tonneau covers and sold them within a couple months. No gas mileage increase or decrease by the change. I did make a few hundred bucks though!
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