Intro to the LQ4 and LQ9 · Help Center - Summit Racing
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, …
6.0L LQ9/LQ4 317 Heads vs 243 Heads? - LS1GTO Forums
Jan 21, 2012 · Looking at getting either 243 Heads or now I see these 317 Heads from an LQ9/LQ4 motor....what would be the difference?? Please help, searched but couldn't find …
Upgrading the LQ4 and LQ9 Engines · Help Center
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 …
LS1 Crankshaft? Same as LQ4/LQ9 - LS1GTO Forums
Nov 14, 2010 · Alright I am going to be purchasing a brand new GM LQ9 block and had a few questions on crankshafts. I know the LS1 crankshaft has held 1000 hp but is there differences …
Intro to the LY6 and L96 · Help Center - Summit Racing
It replaced the LQ4 and LQ9 as the Vortec 6000. Along with the LY2, LY5, and LMG, it was one of the first 4th generation, LS truck engines. The LY6 used Variable Valve Timing (VVT). This …
LQ4/9 vs LS2 - LS1GTO Forums
Apr 25, 2005 · The LS2's got more compression than the LQ9. The LQ9's got more compression than the LQ4. And there goes the Challenger, being chased by the blue, blue meanies on …
I don't know the VIN. Which LS engine do I have? · Help Center
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 …
LQ4/LS2 Differences - LS1GTO Forums
Jul 16, 2012 · Okay, for anyone using an LQ4 block in place of their LS2 Block, this thread is for the differences between them. I'm currently going thru this swap myself and I figured it would …
L33 vs lq4 for swap? - PerformanceTrucks.net Forums
Dec 19, 2017 · GM Engine & Exhaust Performance - L33 vs lq4 for swap? - Hello, post a thread when I first joined a week or so ago. And ive really got it narrowed down now to an L33 or …
Gen. 3, Iron Block Torque Specs · Help Center
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**