1965 Ford Mustang 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.

1947 Chevy rat rod pickup leaves rubber and smoke in its wake

Cool comes in multiple flavors. One one hand, we have the sophisticated attraction of svelte design and the efficient use of power. Of course, on the other hand there is the allure of being the bad boy and going against the grain. That is part of the appeal of rat rods. Ideally, they are built without rules to an owner's specific tastes, and this widened and heavily modified 1947 Chevrolet pickup rod is a perfect example of that spirit.
Coming down the highway with a bent grille, rusted body and pouring smoke, it looks like the pickup from hell. It backs up the looks with some very impressive mechanicals too. Owner Troy Gubser says that the truck packs a Ford Power Stroke diesel with to 42 pounds of boost that runs out of 8-inch exhaust stacks at the back. He claims it managed 505 horsepower and 885 pound-feet of torque on the dyno. To harness all that power, this hot rod has a ZF five-speed manual gearbox with a ceramic clutch and short-throw shifter. Plus, it has cool little features like a doorbell on the tailgate that operates an air horn.
You might not expect a truck like this to actually be useful, but it has a fifth wheel coupling to haul an RV around drag races and car shows. The air suspension also probably keeps the ride fairly comfy when Gubser wants it to be. Scroll down to check out this beastly rat rod pickup and watch it engage in some diesel drag racing. Warning, there is some NSFW language.

New Ford GT to carry $400k-price tag

The last time Ford made a GT, it built more than 4,000 of them and sold each one for around $150,000. Judging by the premiums at which they later traded, they were evidently worth a lot more than that. But this time, the new Ford GT will be far more expensive and far more scarce. Official performance, production and pricing figures have yet to be released, but upon the new American supercar's European debut in Geneva, Ford performance chief Dave Pericak indicated it would be priced competitively with the Lamborghini Aventador – which carries a base sticker price approaching $400,000, Car and Driver reported. Combine that with production expected to number in the hundreds, not the thousands, and you're not likely to be seeing any of these Blue Oval halo cars in your neighborhood anytime soon. The question then becomes: will the price tag will be justified? With carbon-fiber construction and more than 600 horsepower on tap, it very well could be. And if speculators are going to drive up the actual sale prices, we don't see why Ford shouldn't get what the product is worth. But whether the world is ready for a $400,0000-Ford is another question entirely. Related Video: