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...

Compare neutral shafts, stub/idler deletes and short-chain removal. Learn which Ecotec layouts remove both shafts and sprockets and retain the mechanical water pump.

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 the differences between centrifugal casting and conventional casting for GM Ecotec cylinder sleeves. Discover how manufacturing methods influence material density, machining consistency, wear resistance, and long-term durability in high-performance...

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...