Cummins, Tula test ‘dynamic’ cylinder deactivation
- Magazine Article
Seventeen steady-state patterns are available in the GM gasoline V8s, but the technology continuously operates whether in a “pattern” or not. Cylinder-deactivation fuel-economy gains in gasoline engines can be doubled with dynamic deactivation, Bailey said. In the case of the Silverado's V8, that's an up-to-15% improvement in fuel consumption compared to about 5-7% with two-mode deactivation.