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  1. Chevy LS7 Engine Specs · Help Center - Summit Racing

    The LS7 is the largest engine in the LS family. It is unique because it was based on the C5-R Le Mans Corvette racing engine. It was purpose-built for high-performance. The LS7 was available in …

  2. Upgrading the LS7 Engine · Help Center - Summit Racing

    Upgrading the LS7 Engine What can I do to get more power out of my LS7? The LS7 is specially designed and built to make over 500 hp. All the stock components are matched to each other. …

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

    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 generation small blocks, …

  4. 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 …

  5. 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 chart below …

  6. Chevy LS3 Engine Specs · Help Center

    Chevy LS3 Engine Specs LS Family = Gen. 4, 6.2L, Aluminum Block, Car Engines ... ** A special dry sump version of the LS3 was used in the 2010-13 Corvette Grand Sport Coupe only. ** **The …

  7. What is rocker arm ratio? · Help Center - Summit Racing

    Rotate the engine by hand. Watch the dial. Note the max lift measurement. (The highest point before it starts to close.) Repeat the same procedure with the indicator set up on the lifter. Divide the number …

  8. 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 blown head …

  9. How do I delete the VVT on my LS engine? · Help Center

    LS Engine VVT Delete Kits This article applies to any Gen. 4, Chevy LS engine with the Variable Valve Timing (VVT) System. A VVT Delete Kit removes the VVT components and replaces them with …

  10. Upgrading the L92, L9H, and L94 Engines · Help Center

    On a stock engine, the following upgrades can improve performance and fuel economy: A Cold Air Intake Kit A set of Headers An Aftermarket Exhaust A Computer Programmer The Gen. 4, 6.2L truck …