Chevy LQ4 Engine Specs Chevy LQ9 Engine Specs Upgrading the LQ4 and LQ9 Engines Benefits Both these engines are strong and durable. Many people use them with boost or …

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

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 …

Nov 6, 2012 · Generation III Internal Engine - 450+ hp LQ4 Build on a budget - I know this has been covered before and I know this is probably getting old. But I'm new to the engine building …

Jan 7, 2017 · It appears that most (all?) LQ4 6.0l Vortec truck engine have the long crank; there are reports that some 4.8l Vortec engines also have the long crank. Obviously these long …

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 …

Dec 4, 2025 · Generation III Internal Engine - Lq4 engine - Hi, l have recently purchased a LQ4 6.0 truck motor. I was going to change the crank rods and pistons for twin turbo use. I have …

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 …

Nov 2, 2011 · Generation III Internal Engine - How much to you gain putting 243 heads on a lq4 - I don't know if it is even worth it but I am going to change the cam in my 2007 lq4 and was …

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**