2008 Ford F450 Crew Cab Lariat 4x4 on 2040-cars

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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.

Ring Brothers shows 1965-66 Mustang fastback carbon fiber body

We covered one of Ring Brothers' more extreme SEMA builds yesterday, the De Tomaso Pantera-based ADRNLN, but if that well-executed but over-the-top Italian-American exotic is too much for you, then perhaps this Ring Brothers 1965 Ford Mustang fastback with a carbon-fiber body suits your tastes better.
What the performance-parts manufacturer is showcasing with the Mustang is the carbon-fiber body itself, which is fashioned around the 1965-66 fastback. It can be bought from the company and bonded to the skin and unibody as a do-it-yourself project, or you can take your Mustang to Ring Brothers and have the body installed there. The fenders, doors and quarter panels are two-inches wider than stock, and Ring Brothers offers a custom widebody chassis to those who want the complete package.
The show car looks sharp in person lowered on HRE wheels, and we appreciate the bare front end so we can see the supercharged V8 and front coilover suspension, though the details on those performance upgrades are slim. Also note the custom independent rear suspension setup at the rear.

Can an actual Ford F-150 ride on 4 Power Wheels F-150s?

A lot of kids are rough on their toys, especially when it comes to those made to be used outside, like a four-wheeled kid-size Power Wheels. Whether it's cruising through the sand box, carrying piles of rocks in the driveway or crashing around trees in the backyard, these motorized vehicles often take punishment from the moment the giftwrap comes off. The folks at Fisher-Price decided to give their latest F-150 Power Wheels a true torture test worse than any kid could have ever managed by setting a real 2015 Ford F-150 on top of four of them. Would the little toy trucks explode in a shower of plastic shards in a massive collapse, and if not, could they drive away afterwards? The latest F-150 might be 700 pounds lighter thanks to the switch to aluminum, but it's still a fullsize pickup. According to this clip, the truck weighs in at 4,120 pounds, which puts an average of 1,030 pounds on each of the toys. Check out the video above to see how the stunt goes, and click on the gallery below for some behind-the-scenes looks at the setup.