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Ford updates Power Stroke diesel V8, strengthens F-450, tweaks King Ranch

Ford is giving its F-Series Super Duty trucks some upgrades for 2015, and we're happy to say that one of them is an improved Power Stroke diesel V8. Also, Ford is strengthening the top-of-the-line F-450 to handle more abuse. And if wild west-style luxury is your thing, the automaker has performed minor cosmetic updates to its King Ranch Edition trucks, as well.
The turbocharged 6.7-liter Power Stroke V8 is currently rated at 400 horsepower and 800 pound-feet of torque, and Ford only tells us the new and improved Power Stroke can "produce power beyond today's" engine. What, then, did Ford actually improve upon? First, the Blue Oval swapped in a new, larger turbocharger. The new Garrett GT37 turbine unit is 72.5 millimeters in diameter, eclipsing the old GT32's 64-mm diameter piece. Ford states output increases with the new turbo setup, but since the new turbocharger operates at a lower peak pressure than the old one, the automaker was able to eliminate the wastegate system and reduce the engine's complexity. Ford even redesigned the turbo's oil and cooling lines to make the powerplant simpler. A byproduct of the larger turbo is better engine exhaust braking, which is controlled manually by a button on the dashboard.
Ford claims the upgraded diesel engine is more powerful, more robust, more efficient and more refined than before.

Watch the Hennessey Ford GT makes its record run at Texas Mile

We said they'd probably be out with an official video, we did not lie. The Hennessey-powered camouflage Ford GT sat at one end of the runway at the Texas Mile sitting still. At the other end of the runway it had broken its own speed record, the twin-turbo 5.7-liter V8 pushing the aerodynamic supercar up to 267.6 miles per hour, a 4.3-mph improvement over the old mark.
There's not much in the video you haven't already seen, this just makes it official. That said, who doesn't want to see a twin-turbo Ford GT set an incredible speed record? You can watch it below.

Cheap gas has Ford investors nervous over 2015 F-150

Gasoline in the US continues its weeks-long descent with prices down about 13 cents a gallon over last week to $2.544, which is lower by around 69 cents/gallon from this time last year, according to the US Energy Information Administration. Many drivers are welcoming the lower bills at the gas station as a fantastic holiday gift, but Ford investors are somewhat spooked over the potential sales implications for the 2015 F-150. Market analyst Rod Lache of Deutsche Bank recently downgraded Ford's stock from a buy to hold, according to TheDetroitBureau.com, and his report to investors may have played a part in a drop in the company's share price. Lache praised the truck's powertrain and lightweight technology, but wrote, "We question whether consumers will pay the price for this content with $2-$3 gas," in his report, according to the website. Whether buyers actually turn away from the F-150 is mostly speculative at this point because it only recently began production. With around 700 pounds of weight loss thanks in parts to its new aluminum parts, the latest Ford pickup offers up to 26 miles per gallon on the highway, plus segment-best payload and towing ratings. Prices are up somewhat in part to pay for additional standard features, though. Still, any further dip in Ford's stock is bad news this year. According to TheDetroitBureau.com, the company's shares are down about 7.5 percent this year. On December 15, the price fell to $14.28, the lowest since November 10. Related Video: