LS Family: Gen. 3, 5.3L, Aluminum Block, Truck Engines

L33 The L33 was introduced in 2005 as the "High Performance" 5.3L engine. It was only available in the 1/2 ton, 4WD, extended cab Silverado and Sierra until 2007. The L33 was known as the Vortec 5300 …

The high-output L33 used flat top pistons, full floating rods, and 2.000 in. intake valves. The cylinder heads are also closely related to the Corvette LS6/LS2. Below are some upgrades that improve the …

Aug 19, 2020 · So I picked up my 2006 L33 5.3 yesterday from my buddy. The research I have been doing states that the L33 is an Gen 3 engine. I know that Gen 3 valley cover bolts have a 10mm …

Nov 23, 2018 · I've been doing some research on the L 33 to familiarize myself with all aspects of this engine. I read that the L33 didn't come with VVT or AFM. Can someone confirm this? Other than an …

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 …

Aug 24, 2021 · VORTEC ALUMINUM BLOCK 5.3L L33 = 500LBS 6.0L LQ9 with 3 Piece Engine Covers Typical 4.8, 5.3, 6.0 Truck Engine with 1 Piece engine cover This is a standard 4.8, 5.3, or 6.0 …

Aug 22, 2020 · The engine is in and running. I decided to go with Gen 4 rods with LQ9 flat top pistons and 799 heads. The build is taking so much longer then I wanted it to but it will be right when I’m …

Gen. 3, Aluminum Block, LS Engines The following specs apply to RPO codes: LS1 LS6 LM4 L33 **Click the blue links in the table for more detailed information**

Aug 10, 2010 · Hey guys, I'm looking for a little clarification here on this. To my understanding, the L33 is somewhat in between a Gen III and IV. This being the case, they can be 24x or 58x reluctors …