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Which is more fuel efficient, driving with a pickup's tailgate up or down?

Thanks to the smoke wand in the wind tunnel, you can actually see the difference in our video.
Should you drive with your pickup truck's tailgate up or down? It's an age-old controversy that's divided drivers for decades. Traditionalists will swear you should leave the tailgate down. Makes sense, right? It would seem to let the air flow more cleanly over the body and through the bed. But there's also a school of thought that argues trucks are designed to look and operate in a specific manner, and modern design techniques can help channel the airflow properly. So don't mess with all of that: Leave the tailgate up.

Who would win in a race if the Super Bowl teams were cars?

Until the last down is played this Sunday, we will have the annoyance pleasure of listening to analysts bicker between who will win the Super Bowl, not unlike automotive analysts who do the same thing with cars. If I had a dollar for every conversation about what car would win against another on a specific track, I wouldn't be buying the raw avocados this year for my guacamole. Instead I would be purchasing organic avocados and have the guacamole served in a Ferrari-themed bowl. Yes, those exist. Even so, we still watch year after year knowing full well that the pre-game analysis typically adds up to less than what is left over in the chip bowl after the last guest leaves. Let's take a different approach to analysis this year, let's compare these teams to their vehicle equivalent to decide who would win in a fair race. How do you determine a fair race? When I think of a fair race I think of the Nurburgring. A track that is 12.9 miles, has 1,000 feet of elevation change, and is famously nicknamed The Green Hell by famed driver Jackie Stewart. Although your Supra may beat The Flash himself in a straight line, chances are once you push it to the limits on a 12.9-mile track your brakes will smell like a bonfire and your suspension will have gone into cardiac arrest twice. So if we're racing The 'Ring, what are we driving? To best answer that question we must determine what characteristics define these teams. Not being someone who knows more about my fantasy league than my significant other, I can only go off what I have heard from "experts." The Panthers are honestly known for Cam Newton. Cam is a versatile, fast, brash, and fairly young quarterback. He apologizes for nothing and has Ali-like confidence that shows in his choice of Liberace-type attire. Although he looks to be the favorite, he hasn't yet won a Super Bowl and the team's second-half performances are less than climatic. In racing terms, he has won a lot but no one has seen him race in the dark at the 24 Hours of Le Mans. The Panthers have a ton of acceleration, a brand new chassis, and a driver who is hungry for that first big win. On the other side of the track are the Broncos. It seems as though the Broncos are known for two things, a nostalgic quarterback and a defense that could strike fear into a Honey Badger. If the Broncos were just one component of a vehicle they would be the brakes, and these brakes are outfitted for a locomotive.

Jay Leno is far beyond driven in his 1971 Pantera

Perhaps it's fitting that the band Pantera is known for its heavy metal music, because the DeTomaso Pantera is the automotive equivalent of a metal album. It's short, aggressive and makes a mean sound. It doesn't mess around either, with a Ford 351-cubic-inch (5.75-liter) V8 sending mountains of torque to the rear wheels. This week, Jay Leno takes us on a detailed tour of his '71 to show why it rocks.
There's a regular format to Jay Leno's Garage. It starts with Jay and maybe a guest taking a look at the car and talking about its history, and then they take it out on the open road. However, this video is practically a Pantera buyer's guide. Jay is adamant from the start that the last thing anyone should own is a stock example. To remedy this, he and his guest, the editor of the Pantera Club magazine, take viewers to school about some of the ways to turn them into even better performance machines.
No matter what you do to it, though, the Pantera requires that the driver adapt to it, not the other way around. For example, Jay isn't a big guy by most standards, but he has to cram himself into the cockpit with his shoes off and shirt partially unbuttoned just to go for a drive. Still, once out on the road, it all makes sense with that rumbling V8 and those Italian supercar looks. Scroll down to watch and learn a lot more about this uncompromising '70s performance car.