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Cadillac to Corvette: You’re not getting our twin-turbo V8 engine

NEW YORK — Cadillac president Johan de Nysschen bluntly shot down rumors his brand's powerful twin-turbo V8 is also headed for the Chevy Corvette. Speaking Wednesday at the New York Auto Show, he said: "Just quit the speculation it's headed for Corvette. It's not." The 4.2-liter V8 cranks out 550 horsepower and 627 pound-feet of torque in the Cadillac CT6 V-Sport, which debuted at the show. With that kind of performance and the fact the engine will be hand-built at the General Motors Performance Build Center in Bowling Green, Ky. — at the Corvette factory — led enthusiasts to presume the engine would eventually be under the Vette's hood. De Nysschen, however, argued the engine will also focus on levels of refinement, rather than the Corvette's raw, visceral dynamic. "I think Corvette wants a different kind of character," he said. In fact, the V8 is set to be only for Cadillacs, de Nysschen said, giving the luxury brand its first exclusive engine in years. "It's a matter of being a thoroughbred luxury car," he said. "It's really only a luxury brand that could recoup this [development] cost." A version of the engine making 500 hp and 553 lb-ft will also be used in other Cadillac models. De Nysschen declined say which vehicle will get the engine next. The new V8 uses a "Hot V" configuration more common to German performance cars, and has direct injection, electronic wastegate control, active-fuel management and stop-start technology. It teams with a 10-speed automatic transmission and fits either rear- or all-wheel drive systems. With a new mid-engine Corvette — and potentially more versions of the existing generation Vette — on the horizon, speculation pointed to the sports car getting a twin-turbo powerplant of some sort (V6 rumors also have floated), and the Cadillac 4.2-liter seemed to fit on paper. According to de Nysschen, that won't be the case. Still, even though the Cadillac boss says this specific engine won't go to Corvette, it's hard to not think some version of this engine, perhaps in a different displacement, could find its way under the hood of the Vette at some point in the future. Related Video:

Cadillac picks Publicis as new agency of record, continues cutting ties with Campbell Ewald

Cadillac is setting itself up for major changes in the coming years with its decision to hire Johan de Nysschen as the brand's new boss and moving some of the staff to new digs in the trendy SoHo neighborhood of Manhattan. With those two big shifts in place, there's one more on the way with the company's announcement that Publicis Worldwide is now its global creative agency of record, effective immediately. The firm replaces former, long-time General Motors associate Campbell-Ewald; now a portion of Lowe and Partners. "This appointment is designed to accelerate the global expansion and elevation of Cadillac into a truly global luxury brand," said Cadillac Chief Marketing Officer Uwe Ellinghaus in the company's announcement. "We have spent much of this year refocusing on the core values of our brand." Although, some work may remain at Lowe and Partners for now. According to Cadillac spokesperson David Caldwell via email to Autoblog: "The bulk of work makes this shift. It is possible that maybe a small individual smaller project or two might still be handled by Lowe. Not certain yet." The fruit of this new partnership shouldn't take long to mature, either. "We will have substantially new marketing and brand identity work in early 2015." said Caldwell. According to Ad Age, Cadillac's advertising had been handled by Lowe and Partners, Campbell-Ewald in Detroit (now entirely part of Lowe) and Hill Holiday. Caddy had a relationship with the agency since 2013 but has changed firms several times in 2006. GM had a long collaboration with Campbell-Ewald, though. Chevrolet was its partner for nearly a century until the automaker also jumped to Publicis in 2010. The firm was responsible for campaigns like, "The Heartbeat of America", "Like A Rock" and "An American Revolution." Scroll down to read Cadillac's full announcement of the change. Cadillac Appoints Publicis Worldwide 2014-12-04 DETROIT – Cadillac announced today the appointment of Publicis Worldwide as its global creative agency of record. Publicis Worldwide is the largest creative agency of the Publicis Groupe network and its appointment to Cadillac is effective immediately. A fully dedicated team, comprising key managers from Publicis Worldwide, will lead the account and have access to specialist and premium resources within the larger Publicis Groupe.

GM recalls 3.6 million vehicles for airbag-software problems

The Basics: General Motors is recalling 3.64 million vehicles across its lineup for an airbag-related issue. The recall covers the 2014-2015 Buick LaCrosse, Chevrolet SS, and Spark EV; 2014-2017 Chevrolet Corvette, Trax, Caprice PPV, Silverado 1500, Buick Encore, and GMC Sierra 1500; and 2015-2017 Chevrolet Tahoe, Suburban, Silverado HD, GMC Yukon, Yukon XL, Sierra HD, Cadillac Escalade, and Escalade ESV. The Problem: Affected vehicles have a sensing and diagnostic module that controls the airbags and seat-belt pretensioners. The software it uses has a defect that can prompt the module to run a diagnostic test under specific driving conditions, which will also deactivate the front airbags and pretensioners. This means that it would be possible for those safety systems to not activate in a crash, potentially leading to injury or death. Injuries/Deaths: General Motors began an investigation that led to the recall after a 2014 Silverado was involved in a crash in which the airbags did not deploy. No information was given as to injuries or deaths. The Fix: Owners can bring their vehicles to a local General Motors dealer where a software update will be installed to fix the issue. The fix will be free of charge. If you own one: General Motors will contact owners of affected cars, and owners can check whether their vehicles are affected by visiting entering their vehicle identification numbers at either the GM Owner Center website or the NHTSA website. Owners can then schedule a time to have the update installed. Related Video: