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New GM EcoTec3 engine family for 2014 Silverado and Sierra pickups; direct injection, cylinder deactivation and CVVT

Green Car Congress

SAE-certified horsepower and torque ratings and EPA fuel economy estimates for the new Silverado and Sierra will be available beginning early next year. —Jordan Lee, Small Block chief engineer and program manager. The new engine family includes a 4.3L V6, a 5.3L V-8 and a 6.2L V-8, all matched with six-speed transmissions.

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New 450hp Small Block V8 for 2014 Corvette features direct injection, cylinder deactivation, continuously variable valve timing

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It will also deliver the most fuel-efficient Corvette ever, exceeding an EPA-estimated 26 mpg US (9.0 —Jordan Lee, Small Block chief engineer and program manager. When the all-new 2014 Chevrolet Corvette arrives late next year, it will be powered by a new 6.2L L/100 km) on the highway. 1 compression ratio.

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Chevrolet introduces Dynamic Fuel Management cylinder deactivation on 2019 Silverado; Tula Dynamic Skip Fire

Green Car Congress

Jordan Lee, Small Block chief engineer. —Jordan Lee. EPA fuel economy estimates and towing/payload capacities are not yet available will be announced closer to launch. V-8 DFM VVT DI (L84) for Chevrolet Silverado. Both engines will be built at General Motors’ Tonawanda Engine Plant in Buffalo, New York.

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