1964 Ford Galaxie 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.

BMW V8-powered Ford Model A is the definition of Hot Rod

Today, hotrodding has a pretty staid definition. Take one classic American car, add one classic American V8, sprinkle with tire smoke and you pretty much have every hot rod to roll out of a shop in the last 40 years. Mike Borroughs knows it wasn't always this way. Once upon a time, getting your bucket to go faster meant grabbing whatever parts were lazing about the yard, bolting them together with a bit of ingenuity and laughing your way down the quarter mile. It's in that spirit that Burroughs built his 1928 Ford Model A.
Rather than turn to the tired flathead or the common Chevrolet small block, Burroughs plucked a 4.0-liter V8 from a 1995 BMW 7 Series. With 300 horsepower and 300 pound-feet of torque, the engine has no trouble shuffling the old A around town. He had to build a custom chassis to get everything to cooperate, but the result is a 1,500-pound heathen that looks built to harass dry lake beds. You can check it out in the video below. Be warned, the soundtrack by Hanni el Khatib may not be safe for work - awesomeness of this caliber rarely is.

Creations n' Chrome Top Notch Mustang is a one-of-a-kind fox

Is there a cooler car from the 1980s and early 90s to mod than a Fox-body Ford Mustang? No, there isn't. If you disagree with us, we suggest you have a look at this 1990 Mustang Coupe, which just might change your mind. Although considering just how extensively modified this car - the Top Notch Mustang from Creations n' Chrome - is, we wonder just how much Ford is left in this old pony.
It rides on a custom race tube chassis that weighs a scant 700 pounds, while carbon-fiber bits and bobs help lower the overall curb weight to a mere 2,400 pounds. When paired with supercharged, 5.0-liter, Aluminator V8 from Ford Racing, the results are, doubtlessly, exciting. 855 horsepower at the rear wheels and 667 pound-feet of torque are available from that force-fed V8 should be just plenty for this car's intended purpose of running in standing-mile competitions.
The Top Notch Mustang is more extreme than just weight savings and a big engine, though. That 5.0-liter is essentially in what's known as a front-mid layout - where the engine is actually behind the front axle. In this case, the 5.0-liter V8 is 17 inches further back than a factory Fox-body, for better weight distribution. As a result, the cabin has been completely overhauled. An SLA front suspension, wheels from HRE, Wilwood brakes and Sparco interior items round out the extensive list of mods.