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GM'S NEW ALL-ALUMINUM XV8 ENGINE WILL SHOW UP IN FUTURE PRODUCTION PRODUCTS

While it's unlikely we'll ever get the exciting Opel Signum concept car launched here, the concept V8 that powers it will play a role in future GM cars in North America. Dubbed the XV8, the new 4.3-litre engine involves several cutting-edge technologies that allowed GM to attain its stated goal of providing "the power and smoothness of a premium V8 and the fuel efficiency of a V6" in a package "fits into an engine bay sized for the width of a V6 and the length of a four-cylinder."

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GM'S NEW ALL-ALUMINUM XV8 ENGINE WILL SHOW UP IN FUTURE PRODUCTION PRODUCTS

While it's unlikely we'll ever get the exciting Opel Signum concept car launched here, the concept V8 that powers it will play a role in future GM cars in North America. Dubbed the XV8, the new 4.3-litre engine involves several cutting-edge technologies that allowed GM to attain its stated goal of providing "the power and smoothness of a premium V8 and the fuel efficiency of a V6" in a package "fits into an engine bay sized for the width of a V6 and the length of a four-cylinder."