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 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...

Factory and performance cylinder sleeves are designed for different goals. Learn the differences in material, bore capability, cylinder stability, machining requirements, and when upgrading to performance sleeves makes sense for...