Ecotec 2.4L VVT: A Variant of GM's Global 4-Cylinder Engine

Paper #:
  • 2005-01-1941

Published:
  • 2005-04-11
DOI:
  • 10.4271/2005-01-1941
Citation:
Dugdale, P., Rademacher, R., Price, B., Subhedar, J. et al., "Ecotec 2.4L VVT: A Variant of GM's Global 4-Cylinder Engine," SAE Technical Paper 2005-01-1941, 2005, doi:10.4271/2005-01-1941.
Abstract:

General Motors adds a larger displacement more powerful variant to its global 4-cylinder engine family. The new Ecotec 2.4L VVT, being introduced in the 2006 Pontiac Solstice is the latest variant within the Ecotec engine family. This new engine is built on the heritage and excellent reputation of the Ecotec 2.2L (1) , the global 4-cylinder engine introduced for the North American market in the 2000 model year Saturn L-series. Ecotec engines are now offered in many additional GM platforms in North America as well as in Europe.

The Ecotec 2.4L VVT shares many parts with the Ecotec 2.2L (1) , with addition of cam phaser technology to enable v ariable v alve t iming (VVT) along with several structural enhancements. The Ecotec 2.4L VVT produces 25% more power, impressive torque at lower engine speeds and offers a number of other advantages.

Production of the Ecotec 2.4L VVT is integrated with the Ecotec 2.2L (1) resulting in efficient use of the manufacturing systems already in place, at the same time providing flexibility to split the production volumes for the two engines based on the demand.

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