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Cadillac CT6 beefs up with 400-hp twin-turbo V6

Cadillac's engine lineup is set to get a makeover led by the potent powerplants under the hood of the CT6. Our man Steven Ewing is onsite at an event in Detroit reporting all the details. Here's what we know so far: The CT6's top engine will be a 3.0-liter twin-turbo V6. It's the first twin-turbo with cylinder deactivation, which essentially makes the V6 able to convert to a V4 unit. Power will be 400 horsepower at 5,500 rpm and 400 pound-feet of torque at just 2,500 rpm. No word on what a potential CT6-V would get. The CT6 will also have a naturally aspirated V6 that Cadillac is claiming to be all-new. It's rated at 335 hp at 6,800 rpm and 284 lb-ft at 5,300 rpm. That's an improvement of 14 hp and nine lb-ft compared with today's 3.6-liter V6, and fuel economy increases nine percent. Cadillac says it's the highest output for a naturally aspirated V6 that's SAE-certified and runs on regular fuel. Both of these V6s will have stop/start technology and will be paired to with eight-speed automatic transmissions. The 3.6-liter V6 will also be used in the 2016 CTS and the 2016 ATS. Meanwhile, Ewing reports that Cadillac says the ATS-V is actually more powerful than initially announced, though there are no numbers to flesh that claim out as yet. The brand also plans to offer four- and six-cylinder diesel engines in various vehicles and new V8 options. The CT6 bows at the New York Auto Show. It will use an aluminum-intensive body that reduces weight by 198 pounds compared with a steel setup and continues Cadillac's creased design language used on the CTS and ATS models. The CT6 goes into production late this year in Detroit. Related Video: Cadillac Next-Gen V-6 Engines Led by 3.0L Twin Turbo Segment-leading power, efficiency in world's most advanced six-cylinder DETROIT – Cadillac today announced a new generation of V-6 engines, led by an exclusive Twin Turbo V-6 that will be one of the industry's most advanced six-cylinder gasoline engines. It leverages the latest technology to balance efficiency, performance and refinement in the upcoming, top-of-the-range CT6 luxury performance sedan. The all-new Cadillac 3.0L Twin Turbo is designed to achieve new thresholds of refinement and specific output for the brand's new prestige luxury sedan, which makes its world premiere March 31, at the New York International Auto Show. Production begins late this year at General Motors' Detroit-Hamtramck Assembly Plant.

Chip Foose is bringing life to a Cadillac sketch from 1935

General Motors, automotive home of Harley Earl, was a pioneer in the early days of car design. But for as many wild concept cars and even production cars as the company's studio created, there were still many that never got off the paper. Chip Foose is working to change the fate of one of those designs. According to Foose Design, Chip Foose's latest project is based on a sketch from 1935. Car dealer Wes Rydell and his wife Vivian commissioned a custom Cadillac coupe that was sketched out by GM designer Art Ross. It would take an existing Cadillac sedan, shorten it, lower it and give it a removable hardtop. The drawing is as far as the project got. Now Chip Foose is working on realizing the design in real life using a 1939 Cadillac Series 60 Sedan. He plans to follow the initial design brief, but with his own unique touches. He has also named the project "Madam X" in honor of what Harley Earl would call client projects. It is scheduled to be finished and ready for unveiling at the end of the summer. Foose is a well-known designer who has won some of America's most prestigious custom car awards such as the Ridler Award and designed vehicles for the TV show Overhaulin'. The final product should be quite a striking machine. You can see how it's coming along, as well as Foose's sketch of what the car will finally look like, in the gallery above. Related Video: Featured Gallery 1939 Cadillac Series 60 by Chip Foose View 13 Photos Image Credit: Foose Design, Inc. Auto News Celebrities Design/Style Cadillac Classics chip foose overhaulin

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