The New Small Spark Ignited Engine Family – Ranging from the Naturally Aspirated Three-Cylinder to the Boosted Four-Cylinder

Authors

Dipl.-Ing. G. Böhler, Dr.-Ing. R. Buhr, Dr.-Ing. G. Reinheimer, Adam Opel GmbH, Rüsselsheim

Year

2010

Print Info

Fortschritt-Berichte VDI, Reihe 12, Nr. 716

Summary

The new small spark ignited engine family of GM (internal nomination family 0) with displacements from 1.0 to 1.4ltrs. covers 25% of the Opel vehicle volume. To comply with numerous requirements in respect of fuel economy, exhaust emission reductions, demanded efficient downsizing, and alternative propulsion concepts, Opel has made a fundamental revision of its Fam 0 engine family and added new engine variants to its portfolio. Above this a good compromise between technology available, and justifiable cost of manufacture had to be made without infringing the overriding objectives in this cost sensitive vehicle segment. The third generation of this engine family is consequent refinement of the second generation three- and four-cylinder engines already proven millions of times. The program is upgraded by a newly developed 1.4 ltr. turbo engine, a modular derivative of the naturally aspirated engines, which was realized in the form of a downsizing/ downspeeding concept, resulting in fuel economy improvements of up to 12 %...

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