5.3 Chevy Engine: The Ultimate Guide to Performance Upgrades by Chad Golen March 20, 2026 0 Key Takeaways: The 5.3 Chevy LS engine offers significant performance potential with the right upgrades, while maintaining daily drivability and reliability. Addressing common issues such as AFM lifter failures and timing chain wear is crucial to ensuring long-term reliability, especially when increasing power output. Professionally built LSx crate engines from Golen Engine Service provide a … Read More