Report: GM developing two twin-turbo V6 engines

Article by Christian Andrei, on March 5, 2012

General Motors’ fans are excited about reports that the automaker is developing two twin-turbo V-6 engines instead of just one. GMI divulged almost two years ago that GM is working on a 3.0-liter twin-turbo V-6 so that GM could follow the industry trend of using blown V-6's. It was believed that GM is in development of one twin-turbo V-6 since the company is preparing for the launch of the fifth generation of the Small Block V-8 lineup.

According to sources, GM is developing a twin-turbo version of its 3.6-liter V-6 too. This engine is meant to supplement the 3.0-liter twin-turbo V-6 that was previously confirmed by GMI. In 2009, GM and Jay Leno presented a Chevrolet Camaro concept at the SEMA show that was powered by a twin-turbo 3.6-liter V-6.

GM asserted back then that this engine produced 425hp. GMI has yet to release details about the power of the production version of the twin-turbo 3.6-liter. However, it’s likely to offer more than 400hp since the company is still in development of a 3.0-liter variant of the blown engine too. The 3.0-liter twin-turbo is expected to be seen first in the Cadillac models, such as the XTS and CTS. These two sedans will later offer this engine as an option, which will be partnered with an eight-speed automatic.

The engine will trickle down through the GM lineup over time, just like how GM usually rolls out its new engines. The 3.6-liter twin-turbo is predicted to debut on a Cadillac too. An earlier report stated that Cadillac has chosen a twin-turbo V-6 for the upcoming ATS-V performance car.

Insiders say that the twin-turbo V-6 won’t be the 3.0-liter. Instead, it’s the first application of the twin-turbo 3.6-liter, implying that the larger displacement may be intended for performance applications. It’s even possible that the 3.6-liter will end up as an engine exclusive to the Cadillac models. To date, GM hasn’t confirmed where the twin-turbo 3.6-liter will be used.

Topics: gm, engine

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