Engine Building

Learn why GM Ecotec engines use balance shafts, why they become a concern at sustained high RPM, and how cut shafts, neutral shafts, complete removal, and the BK Racing Short...

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...

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...