Engine Building

Dry Sleeves vs. Wet Sleeves Explained BK Racing

featured Dry Sleeves vs. Wet Sleeves Explained

What’s the difference between dry sleeves and wet sleeves? Learn why GM designed every Ecotec engine around a dry sleeve architecture and how cylinder stability, ring seal, heat transfer, and...

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How to Install GM Ecotec Cylinder Sleeves BK Racing

How to Install GM Ecotec Cylinder Sleeves

Installing GM Ecotec cylinder sleeves requires precision machining, proper interference fit, accurate boring, and torque plate honing. Learn the complete installation process, common mistakes, and professional engine building practices.

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GM Ecotec Cylinder Sleeve Guide BK Racing

GM Ecotec Cylinder Sleeve Guide

Thinking about sleeving your GM Ecotec engine? Learn how cylinder sleeves work, when they’re needed, compatible engine codes, bore sizes, installation, and performance applications in our complete guide.

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Why Ecotec Engines Stop Pulling At High RPM BK Racing

Why Ecotec Engines Stop Pulling At High RPM

Just because your Ecotec can turn 8,000 RPM doesn’t mean it’s making power there. Valve float, valve bounce, weak valve springs, and hydraulic lash adjuster instability can quietly rob horsepower...

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