LY6 vs LQ4: Which 6.0 LS Engine Is Better for Boost and Swaps ?
LY6 vs LQ4: Which 6.0 LS Engine Is Better for Boost and Swaps ? If you’re looking for a strong 6.0L LS engine, two of the most popular options are the LY6 and LQ4. Both are iron-block LS engines known for durability—but they have important differences in heads, electronics, and performance. In this guide, we’ll break down LY6 vs LQ4 specs, differences, and which one is better for your build . Read more about the differences between gen 3 vs gen 4 LS platform: https://www.nitrousfreaks.com/2026/04/gen-3-vs-gen-4-ls-engines-key.html How to spray big nitrous shot safely: https://www.nitrousfreaks.com/2026/04/how-to-spray-big-nitrous-shots-200400.html Engine Overview LY6 engine Generation: Gen IV Displacement: 6.0L (364ci) Block: Iron Compression: ~9.6:1 Reluctor: 58x LQ4 engine Generation: Gen III Displacement: 6.0L (364ci) Block: Iron Compression: ~9.4:1 Reluctor: 24x Cylinder Heads (Major Difference) LY6 Heads (823 Casting) ...