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2015 Chevrolet and GMC pickups, SUVs to offer eight-speed transmission with EcoTec3 V-8

Green Car Congress

Chevrolet and GMC have confirmed a new eight-speed automatic transmission will be standard on 2015 Chevrolet Silverado, GMC Sierra and GMC Yukon Denali/Yukon XL Denali models equipped with the 6.2L It is a dual-equal cam phasing system that adjusts camshaft timing at the same rate for both intake and exhaust valves.

GMC 210
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Tula Technology reports up to 18% fuel economy gain in GM 6.2L V8 using Dynamic Skip Fire technology; emissions benefits too

Green Car Congress

In 2015, Delphi also took a stake in the Silicon Valley-based company. This capability of DSF provides us the opportunity to choose firing patterns which produce surprisingly lower NVH than V8 at equivalent power. The base engine is used by General Motors in many applications, among them, the 2010 GMC Yukon Denali.