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 what an Ecotec balance shaft delete actually changes, including reliability, vibration, power, rotating components, and why BK Racing developed its Short Chain Balance Shaft Delete to help prevent costly...

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...

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...