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engine bay
Saturn Aura HCCI concept test car

by Christine & Scott Gable
for About.com

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Saturn HCCI Concept Test Car engine bay

An overview of the HCCI Saturn Aura engine bay. The cylinder head and fuel delivery system are complete one-offs designed just for this car. The block is a pretty much stock 2.2-liter GM Ecotec.

© Scott Gable
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