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I keep my tail gate up unless I'm haulin some thing back there. That is what supports your sides. I've seen several trucks with thier sides flappin in the wind because there is no tail gate for that support that they need.
There was a post recently in one of the other forums on this topic. Apparently, a University somewhere did a research experiment using a tonneau cover, a camper top, an empty bed with tailgate up, and an empty bed with tailgate down on a Dodge Ram. The results showed that putting the tailgate down actually INCREASED the drag coefficient on the vehicle by disturbing the natural airflow around the design of the truck. This would seem to indicate that putting the tailgate down on a Dodge truck does NOT increase fuel economy.
I assume Ford trucks would show the same results. If you're curious...the tonneau cover was the setup that provided the least drag on the vehicle.
well.. here at Texas Tech University we did wind tunnel tests on Dodge, Chevy, and Ford... the 1/2 ton, 3/4 ton, and full ton trucks..
ALL of which with the tailgate down were slower, had higher drag coefficents, and bad fuel economy... it also created MORE downforce, and added to tire wear..
the difference in drag adn everything is noticeably small.. but yes.. it IS and ALWAYS will be worse..
if you drive with your tailgate down for no reason.. I assure you.. you have been mis-informed
its like the flaps on an airplane... when you split the air around an object and it has to move farther on the top than the bottom (the bubble) it creates drag, lift, everything.... and the LONGER the air is split.. the greater the drag.. thats why flaps on airplane wings make the wings bigger .. just my .02$
Well, when I had a 96 Ranger before I traded in for my Explorer, I had a tonneau so it wasn't a factor. I would've left it down for only one reason, though, and that would be wind resistance.
If it's a Ranger then I can only assume that it's because the load in the bed was too long to have the tailgate closed or it's because the driver want's the tailgate to fall off after hitting a bump while driving. It's mentioned in the owners manual to leep it up while driving.
I wasn't born in a barn. I always close the door behind me. Therefore unless something is hanging out.........of the box the tailgate stays up. I didn't buy a truck for mileage. I didn't buy a truck to go fast. And I sure didn't buy a truck to have what ever it is I have in the back to be seen or slide out the back. If it was meant to be down they would have called it a bumper.
Mine fell off, the bottom pivit point and part of that support fell out of the bed the first time i loaded my dirtbike in the truck so it went in the scrap pile thats the same that the beds going once i get my new one (6ft fleetside is the old one a 6 ft stepside is the new one)
Well I see this alot..Most the time I do it when I am hauling something long or when i have had alot of gravel in the bed and can't close the tail gate because of rocks between the tail gate and the bed...Haha and keeps other vechials alittle father back..
Can't do it here in NC. It is against the law. State DOT says it interferes with the reading of a lisence plate. It also becomes a ptrotrusion in an accindent. In other words, you get rearended with it down and YOU pay the bills. How's that for a dope!
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