The LQ9 was also known as the Vortec HO 6000 or the VortecMAX. For specific details about these engines, please follow the links below: Chevy LQ4 Engine Specs Chevy LQ9 Engine …

Upgrading the LQ4 and LQ9 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 …

LQ9 243/799 vs 821/823 heads? I sort of asked this question in the wrong forum. I posted a question about my LQ9 build but placed it in Internal Engine forum by accident (noob!). …

Home Knowledge Base - Home HE-04811Chevy LQ9 Engine Specs

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 LMG, it was one …

Dec 5, 2025 · Dynamometer Results & Comparisons - Looking for dyno graphs of LQ9 in trucks w/ stage 1 cams only - Few cams I'm looking at are SDPC, Summit 8719r1, tick truck tq max …

Mar 5, 2010 · Generation III External Engine - The truck ignition coil upgrade - The truck ignition coil upgrade: Many GM trucks come with a different, more powerful ignition coil. These coils …

Nov 11, 2025 · Generation III Internal Engine - LQ9 cam in L33 - Evening everyone, I've got an L33 I'm freshening up to put in my 68 cutlass. 100% cruiser; no plans to race or boost. I just …

Mar 26, 2015 · Automatic Transmission - All about Flexplates, Converters, Transmissions and Spacers - When installing a different (non-stock) transmission there is often confusion over …

Identify Chevy LS Engines by Inspection Before you begin any project, you need to know the starting point. When it comes to Chevrolet's 3rd and 4th generation small blocks, there can be …