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05-25-2013, 09:56 AM
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#1
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Montana Master
Join Date: Mar 2006
Posts: 854
M.O.C. #5592
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Air Flow over Tailgate
Here is a test to show the air flow with and without the tail gate up. Just an interesting video.
http://www.foxnews.com/leisure/2013/05/20/tailgate-up-or-down-gmc-solves-age-old-pickup-truck-mystery/?intcmp=features
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05-25-2013, 10:19 AM
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#2
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Montana Master
Join Date: Oct 2011
Location: Lykens
Posts: 545
M.O.C. #11842
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Always suspected this, but never would comment, because if someone spends the money to buy those net tailgates they will vigorously defend them and the perceived increase in fuel mileage.
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05-25-2013, 10:24 AM
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#3
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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I just wanted a V tailgate that would accept my backup camera. It came with slots, but that wasn't something I wanted. For years out here in the farm country there is always someone driving around with the tailgate down. I could see some direct benefits, but most of those were for the auto body folks and the parts dealers when they forgot it was down and backed into something.
__________________
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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05-25-2013, 11:22 AM
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#4
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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Didn't Mythbusters determine there was no difference in fuel usage?
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05-25-2013, 11:34 AM
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#5
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,160
M.O.C. #6433
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I think they determined fuel mileage was slightly better with the stock tailgate and in the up position.
__________________
Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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05-25-2013, 02:59 PM
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#6
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Montana Master
Join Date: Nov 2002
Location: Oceanside
Posts: 20,028
M.O.C. #20
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I've only read a handful of tests in all these years but every one of them showed no improvement with anything but the stock tailgate and in the up position. Makes sense, with the mfrs having to meet cafe standards. If a different tailgate got better mpg, they'd already be using it.
On past trucks I got the V-gate for fifthwheels, for the convenience, not for mileage. With this truck I've not bothered. By the way, turned 100,000 miles on this truck today.
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05-25-2013, 04:15 PM
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#7
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Montana Master
Join Date: Dec 2011
Location: Roswell
Posts: 627
M.O.C. #12028
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I think, when we stick a 13' tall box over the bed, all bets on aerodynamic are off  . Net, V notch gate, stock tailgate........ But I do like louvered because I can see thru it. Dick, were (what brand) did you find one that adapted the stock camera mount. Been looking for one or going to have to modify one.
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05-26-2013, 03:19 AM
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#8
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Montana Master
Join Date: Aug 2006
Location: merced
Posts: 983
M.O.C. #6171
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What ever happen to the extra MPG you got from putting BLING on your V tailgate
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05-26-2013, 07:40 AM
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#9
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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Quote:
quote:Originally posted by grayghost03
I think, when we stick a 13' tall box over the bed, all bets on aerodynamic are off . Net, V notch gate, stock tailgate........ But I do like louvered because I can see thru it. Dick, were (what brand) did you find one that adapted the stock camera mount. Been looking for one or going to have to modify one.
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It's made by Stromberg Carlson.
__________________
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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05-26-2013, 08:02 AM
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#10
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Montana Master
Join Date: Dec 2011
Location: Roswell
Posts: 627
M.O.C. #12028
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Thank you, Dick. I will restart my search.
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