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Dakota Performance
FromMessage
Wadak
GenIII
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9/15/2006
15:58:46

Subject: Tailgate up or down
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Everyone,

Here is an excellent and I mean excellent article on driving with the tailgate up or down on different pickups. It goes into all the mathematical calculations, shows wind tunnel simulations using visible trail marking smoke. It also show a chart with the coeffient of drap for tailgate up, down, off and using a tonneau cover. You will need Adobe Acrobe to read the article. The reader is free to down load. In this day of ever increasing gas prices, this article could help to be a real fuel saver. If you can't read it now download the file and read it offline. PLEASE READ IT IT COULD SAVE YOU MONEY AND POSSIBLY PREVENT AN ACCIDENT.
Here is the link:

http://ecow.engr.wisc.edu/cgi-bin/getbig/me/363/ghandhi1/pickup.pdf


Wadak

92 and 97 Daks both with many mods.

ToddSails
Dodge Dakota
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9/15/2006
20:04:08

RE: Tailgate up or down
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Bottom line.

Give us the bottom line.


I've seen previous tests, that said up was better.



RR
Dodge Dakota
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9/15/2006
21:37:39

RE: Tailgate up or down
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After all the mumbo jumbo of co-efficients, graphs, algebraic equations and all the other stuff that makes me feel stupid, the only thing that made sense to me was at the bottom it says "Keep Your Tailgate UP!"



Maroon
Dodge Dakota
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9/16/2006
02:51:42

RE: Tailgate up or down
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RR shoold have stayed awake in shcool. All that stuff is common knowlege.



Ryan
Dodge Dakota
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10/29/2006
18:55:00

RE: Tailgate up or down
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Even the tv show myth busters tried solving this. and they said at about amilion miles you might get 1 or two more mpg with it up.



Different
Dodge Dakota
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10/29/2006
23:10:56

RE: Tailgate up or down
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I get better milage with a quarter tank of gas than with a full tank.
I get better milage if none of my tires are flat.
I get better milage with my tailpipes pointed strait back.




2cents
Dodge Dakota
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10/30/2006
09:40:44

RE: Tailgate up or down
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Yeah, and I get better mileage going down hill. Let it go.



MorePower
Dodge Dakota
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10/30/2006
13:22:17

RE: Tailgate up or down
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I also get more horsepower every time I add a product sticker to my back window.
And that wing on the bed was good for a few more.



shappi
Dodge Dakota
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11/02/2006
22:56:30

RE: Tailgate up or down
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i will say this, on my gen2 2wd lond bed i was testing this whole crazy thing out and it kinda make a difference...........only after 85 mph with tailgate up and down did i feel any difference. i think i did but i might of been playing scientis to much. i mean i might of had more drag with it up being that it was an 8 ft bed but its so close to tell. besides unless it is a r/t dakotas really and im sorry to say it, just arnt ment to be crusing around town 85 mph. but uts good to bury the speedomiter everyonce in a while. go gen2 go! lol -shappi



Richard
Dodge Dakota
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11/02/2006
23:46:31

RE: Tailgate up or down
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"crusing around town 85 mph. but uts good to bury the speedomiter everyonce in a while. go gen2 go! lol -shappi"

Um... I am happy that mine doesn't just go to 85. It would be buried all the time. Go gen3 go!




paul
Dodge Dakota
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1/24/2007
20:31:19

RE: Tailgate up or down
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mythbusters say up.



Old YELLER
Dodge Dakota
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1/25/2007
10:00:26

RE: Tailgate up or down
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I GET BETTER EXHAUST BACKPRESSURE WITH MY TAILPIPES POINTED FORWARD.




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