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2014 Silverado EcoTec3 Engine Internals

Friday, January 18th 2013. | Review

The media portion of the auto show is over now, it will open up to the public tomorrow. Honestly, GM didn’t make much of a splash as far as the truck world is concerned. I don’t blame them for wanting to focus attention on the new 2014 Chevy Corvette Stingray. The only thing it will have in common with the 2014 Silverado is that it has the same engine tech. Although I am sure they will be sufficiently different for their respective applications.

But GM didn’t completely ignore their trucks for the auto show, for one, they showed some of the internals of the EcoTec3 engines. Specifically the VVTi cam phaser (variable valve timing), direct injection fuel rails and the cylinder shut-off (AFM) controller. These parts are responsible for most of the major gas-saving functions of the new EcoTec engines. We’ll, however, have to remain patient for an announcement of just how efficient these engines are and what sort of MPG’s they’ll return in the 2014 Silverado and Sierra.


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