What Is the Difference Between LS3 and L92 Heads? Choosing the Right Upgrade for Your LS Build by Chad Golen August 14, 2026 0 Key Takeaways: LS3 and L92 heads share a rectangular-port design but differ in valve specs, and spring rates, affecting rpm capability. LS3 heads offer higher factory compression and rpm stability, while L92 heads provide a cost-effective foundation for upgrades, especially with CNC porting and spring enhancements. Both head types benefit significantly from professional CNC porting … Read More
Best Cylinder Heads for 5.3 LS Turbo: Top Picks for Maximum Power by Chad Golen May 22, 2026 0 Key Takeaways: Cylinder head selection for turbo 5.3 LS engines is about balancing airflow, chamber design, and durability—not just peak flow numbers—to achieve reliable, efficient power. Cathedral-port heads offer faster turbo spool and strong midrange torque for street builds, while rectangle-port heads excel at high boost and top-end power, especially when paired with proper valvetrain … Read More