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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 All-aluminum block and oil pan. A structural aluminum oil pan further stiffens the powertrain. It also incorporates new engine mount attachments, new knock sensor locations, improved sealing and oil-spray piston cooling.

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

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Jordan Lee, Small Block chief engineer. The system uses solenoids to deliver oil pressure to control ports in the lifters, which activate and deactivate the lifters’ latching mechanisms. —Jordan Lee. EPA fuel economy estimates and towing/payload capacities are not yet available will be announced closer to launch.

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