Engine Building

Learn why BK Racing developed its Inner Balance Shaft Delete Sleeves, why we leave the factory bearing race in place, and how our precision-machined design creates a controlled, repeatable solution...

Do Ecotec balance shaft deletes really cause excessive vibration? Learn how the factory balance shafts work, what changes when they’re removed, and why real-world customer experiences often differ from internet...

Compare every major Ecotec balance shaft delete method, including cut shafts, neutral balance shafts, short chain kits, complete balance shaft removal, and delete plugs. Learn the advantages, disadvantages, and why...

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 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...