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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.

2018 Cadillac XT7 three-row crossover spied [UPDATE]

UPDATE: Upon further consideration, and after speaking to some industry insiders, it appears this might not actually be a new Cadillac, but instead just a mule of the new Chevy Traverse. One source points out that the foglights are fixed, round units, which would be production spec and would not suggest Cadillac. Another source says the Cadillac version of the Traverse/Acadia/Enclave was cancelled, and development has stopped. Yes, a Cadillac of this size is expected to arrive – and elements of this prototype sure do look Cadillac to us – but it might be too early for this to be it. Cadillac is expanding its portfolio with a three-row crossover. This is it. Expected to be called the XT7, the new vehicle will give Cadillac an entry above the XT5 and below the hulking Escalade. Though the XT7 is heavily covered, we can see Cadillac's (?) bold grille and what looks like strong proportions. It'll probably look like a larger XT5, and you can sort of (maybe) see a similar roofline if you squint. Spy shooters caught it testing with the new Chevy Traverse and Buick Enclave, and they're all expected to use the new General Motors 3.6-liter V6 engine, like the recently revealed GMC Acadia. The XT7 could show up as soon as late this year or early in 2017. Its part of GM's push to capitalize on the red-hot crossover segment that has been fueled by low gas prices and Americans' thirst for utility. The XT7 would likely represent GM's most profitable play in this segment. Simply affixing the Cadillac badge on the front adds thousands of dollars to the sticker compared to a Chevy or Buick product. The XT7 will also give Cadillac a significant opportunity for growth – and perhaps allow it to gain on Mercedes and BMW on the sales charts. While the CTS and ATS have had mixed success, Americans have continued to show a willingness to buy Cadillac utility vehicles. The XT7 is the latest in Cadillac's product blitz following the XT5 and the CT6 range-topping sedan. Those two are the most critical Caddys, but the XT7 isn't far off. Related Video: Featured Gallery 2018 Cadillac XT7 View 11 Photos Image Credit: Brian Williams / SpiedBilde Spy Photos Cadillac SUV

We really want to use an eCrate to restomod an old GM car. Here's what we'd build

You hopefully saw the news today of GM's introduction of its Connect and Cruise eCrate motor and battery package, which effectively makes the Bolt's electric motor, battery pack and myriad other elements available to, ah, bolt into a different vehicle. It's the same concept as installing a gasoline-powered crate motor into a classic car, but with electricity and stuff.  This, of course, got us thinking about what we'd stuff the eCrate into. Before we got too ahead of ourselves, however, we discovered that the eCrate battery pack is literally the Bolt EV pack in not only capacity but size and shape. In other words, you need to have enough space in the vehicle to place and/or stuff roughly 60% of a Chevy Bolt's length. It's not a big car, but that's still an awful lot of real estate. There's a reason GM chose to simply plop the pack into the bed and cargo area of old full-size SUVs. Well that, and having a rear suspension beefy enough to handle about 1,000 pounds of batteries.  So after that buzz kill, we still wanted to peruse the GM back catalog for classics we'd love to see transformed into an electric restomod that might be able to swallow all that battery ... maybe ... possibly ... whatever, saws and blow torches exist for a reason.  1971 Buick Riviera Consumer Editor Jeremy Korzeniewski: If you’re going to build an electric conversion, why not do it with style? ThatÂ’s why IÂ’m choosing a 1971-1973 Buick Riviera. You know, the one with the big glass boat-tail rear end that ends in a pointy V. Being a rather large vehicle with a big sloping fastback shape, IÂ’m hoping thereÂ’s enough room in the trunk and back seat to pack in the requisite battery pack. That would likely require cutting away some of the metal bulkhead that supports the rear seatback, but not so much that a wee bit of structural bracing couldnÂ’t shore things up. The big 455-cubic-inch Buick V8 up front will obviously have to go. Remember, this was the 1970s, so despite all that displacement, the Riviera only had around 250 horsepower (depending on the year and the trim level). So the electric motorÂ’s 200 horsepower and 266 pound-feet of torque ought to work as an acceptable replacement.   1982 Chevrolet S10 Associate Editor Byron Hurd: OK, so the name "E-10" is already taken by a completely different truck, but let's not let labels get in the way of a fun idea.