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General Motors has canceled plans to build a new advanced double overhead-cam V-8 for its luxury cars, leaving the future for Cadillac's V-8 car engines unclear. GM Powertrain spokesman Tom Read said Thursday that the project is dead. Cadillac could switch to high-powered V-6s in its cars. Cadillac spokesman Kevin Smith said, "We've really seen the V-6 become the predominant engine in sales on the (2008) CTS because it's so close in power to the V-8." The V-6 is also 150 to 200 pounds lighter. (Automotive News)
