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  1. Chevy LS9 Engine Specs · Help Center - Summit Racing

    Chevy LS9 Engine Specs LS Family = Gen. 4, 6.2L, Aluminum Block, Supercharged Engines

  2. Intro to the LS9 and LSA · Help Center - Summit Racing

    Intro to the LS9 and LSA LS Family: Gen. 4, 6.2L, Aluminum Block, Supercharged Engines LS9 The LS9 was introduced in 2009 for the ZR1 Corvette. At the time, it was the most powerful …

  3. Upgrading the LS9 and LSA Engines · Help Center

    The LSA and LS9 engines make a lot of power. And, they can easily make more! Upgrades are usually done in stages. Each level will provide more performance than the one before it. …

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

    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 the Vehicle …

  5. How do I install my LS cylinder heads? · Help Center

    Installation Procedure, Torque Specs and Sequence To properly install your LS Cylinder Heads, follow the steps below. This will prevent oil and coolant leaks and a loss of compression from a …

  6. What's the bore and stroke for an LS engine? · Help Center

    Chevy LS Engine Displacment, Bore and Stroke Chart For all Gen. 3 and 4 Chevy small block engines with the same Displacement, the Bore Diameter and Stroke Length are the same. The …

  7. I don't know the VIN. Which LS engine do I have? · Help Center

    Intake Manifold The intake manifold will tell you whether the engine came from a truck or a car. The car manifold has a rounded top and you can see the contour of the intake runners. The …

  8. Can I use an older GM automatic transmission with an LS engine?

    Application Details Any Chevy LS engine, EXCEPT the LS4 and some early LQ4 and LR4 engines. The LS4 was used in FWD cars and uses a metric, 60 degree, Chevrolet V6 …

  9. Deck Height · Help Center

    Definition and Description Engine block deck height is the distance from the centerline of the main bearing bore to the flat surface of the block where the heads bolt on. How is it measured? The …

  10. Chevy LQ4 Engine Specs · Help Center

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