Intro to the LQ4 and LQ9 LS Family: Gen. 3, 6.0L, Iron Block, Truck Engines LQ4 The LQ4 was introduced in 1999 as one of the first LS truck engines. It was available in GM pickups, vans, and …

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 Headers An …

LS Family: Gen. 3, 6.0L, Iron Block, Truck Engines

Which LS engine do I have? Identify Chevy LS Engines by VIN Chevrolet's 3rd and 4th generation small block engines are generally known by their RPO code. You can determine the RPO code if you have …

Which LS engine do I have? 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, …

Jan 7, 2017 · Automatic Transmission - All about Flexplates, Converters, Transmissions and Spacers - When installing a different (non-stock) transmission there is often confusion over what flexplate to …

Jan 23, 2013 · Generation III External Engine - 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 …

Gen. 3, Iron Block, LS Engines The following specs apply to RPO codes: LR4 LM7 L59 LQ4 LQ9 **Click the blue links in the table for more detailed information**

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 have round …

Chevy LY6 Engine Specs Chevy L96 Engine Specs Upgrading the LY6 and L96 Engines Benefits These engines are strong and durable. With upgraded internals, the block can handle over 1,000 hp. So, …