2.2-Liter SKYACTIV-D Four-Cylinder EngineFirst, Grand-Am announced a third racing class for the Rolex Sports Car Series. Based on production cars, the GX class is intended to feature those using alternative fuels and technologies.Second, Mazda jumped right in by saying it is developing a 2.2-liter SKYACTIV-D four-cylinder engine for the GX series.Details include a 14:1 compression [...]Related posts:

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