Engine Building

Can you delete the balance shafts on a street-driven GM Ecotec? Learn the pros and cons, how a balance shaft delete affects vibration, reliability, and drivability, and whether it's the...

Learn why ring seal is one of the most important factors in GM Ecotec engine performance. Discover how cylinder sleeves, bore geometry, torque plate honing, piston clearance, and engine tuning...

Learn how chromium improves wear resistance in GM Ecotec cylinder sleeves. Discover how chromium-enhanced alloys help preserve cylinder geometry, maintain ring seal, and improve long-term durability in naturally aspirated, turbocharged,...

Why does ductile iron matter in GM Ecotec cylinder sleeves? Learn how ductile iron improves toughness, wear resistance, cylinder stability, and long-term durability for naturally aspirated, turbocharged, supercharged, and circle...

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.