Intro to the LY6 and L96 LS Family: Gen. 4, 6.0L, Iron Block, Truck Engines LY6 The LY6 was introduced in 2007. It replaced the LQ4 and LQ9 as the Vortec 6000. Along with the LY2, LY5, and …

Upgrading the LY6 and L96 Engines Getting more power out of my engine On a stock engine, the following upgrades can improve performance and fuel economy: A Cold Air Intake Kit A set of …

LS Family: Gen. 4, 6.0L, Iron Block, Truck Engines

Mar 17, 2022 · Transforming a common LY6 truck engine into an LS3 is as simple as a camshaft and intake swap, leading to solid power gains.

Jul 30, 2025 · Generation IV Internal Engine - Max possible compression on a stock bottom end LY6/L96 (Iron block)? - Pretty much the title. I wanna get about 10.5:1 or 11.0:1 compression on a …

Jul 18, 2025 · Conversions & Swaps - 1970 Olds 442 - LY6 / T-56 looking for Turbo build advice - Guys, I've had this project car going for quite some time now , and it's sat unfinished. I finally got some time …

Overview of the Chevy VVT System Variable Valve Timing (VVT) is a system that automatically adjusts Valve Timing. **The table below shows the engines that were originally equipped with VVT.**

Jun 13, 2010 · LY6 has the better L92/LS3 heads and will fit the intake you already bought. Everyone changes cams anyway, so just ditch the VVT stuff. If you go with a LQ9 it is a gen III engine and still …

Jan 3, 2026 · Generation IV External Engine - 6.0L LY6 Build - PCV Diagram - Hi all! I'm new to actually posting within the forums, but I've been researching great information on LS1Tech for years!

Gen. 4, Iron Block, LS Engines The following specs apply to RPO codes: LY2 L20 LY5 LMG LMF LY6 L96 **Click the blue links in the table for more detailed information**