A report from the US this afternoon says General Motors is close to completing a new, twin-turbocharged 3.0-litre V6 engine to combat Ford's recently announced 3.5-litre EcoBoost unit, also twin-turbocharged.
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According to a report from GM Inside News, several engineers at General Motors have confirmed the engine is in its later stages of development. The engine has been assigned the PRO code 'LF3' (GM's naturally-aspirated 3.0-litre V6 has the PRO code 'LF1' - as pictured).

Although power and torque specifications have not yet been released, sources within the company say GM's new twin-turbo V6 will produce similar figures to Ford's 272kW offering - recently unveiled as the powerplant in Ford's new Taurus-based Police Interceptor.

The report also said the new engine could find its way in to production cars as early as next year, possibly under the bonnet of the new Cadillac XTS.