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GM Sport Compact Performance Build Book

You can download each of the chapters by clicking the links below.

Please check here for an important update to parts listed in the GM Sport Compact Performance Build Book

Sportsman and Naturally Aspirated ECOtec Race Engines

Pro ECOtec Race Engine

ECOtec Race Engine Control Systems

4T65E Race Modified Transmission

Cobalt Phase5

Appendix

GM Sport Compact Performance Build Book (complete, 2.6MB)

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Erica Nocita

Erica Nocita burns rubber in her ECOtec-powered Chevy Cobalt at Irwindale Raceway.

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