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  1. Intro to the LM4 and L33 · Help Center - Summit Racing

    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 …

  2. Chevy L33 Engine Specs · Help Center - Summit Racing

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

  3. Upgrading the LM4 and L33 Engines · Help Center

    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 …

  4. L33 Question - S-10 Forum

    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 …

  5. L33 questions (research Vs. actual not making sense) - S-10 Forum

    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 …

  6. Chevrolet LS Gen. 3, Aluminum Block Torque Specs

    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**

  7. LS Engine WEIGHTS - S-10 Forum

    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 …

  8. L33 turbo build - S-10 Forum

    Aug 22, 2020 · L33 turbo build Jump to Latest 5.4K views 9 replies 5 participants last post by Strokin1013 Mar 9, 2022 S

  9. I know my VIN. Which LS engine do I have? · Help Center

    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 …

  10. (Project) SS w/LS. Wild Little (L33) 5.3L Build! - S-10 Forum

    Jan 4, 2010 · The Truck: Motor Pre Op: Build should start taking off here soon and hope to be done by April or May. Apple Red 94 SS. L33 5.3L w/ Patriot 59cc 243's, VRX Cam, 92mm FAST. FLT Lvl5 …