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 …
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. …
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 …
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 …
What is rocker arm ratio? · Help Center - Summit Racing
Definition & Description The rocker arm ratio is the relationship between the 2 halves of the rocker arm. The halves are: The center of the valve stem to the center of the pivot point. (Dimension …
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 …
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 …
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 …
What size injectors do I need? · Help Center
Flow Rate Definition, Calculating and Horsepower Range Fuel Injectors are sized by their flow rate. Flow rate is a measurement of how much fuel can be delivered over time. It is listed in …
Intro to the LS2, L76, and L77 · Help Center - Summit Racing
Special Notes All 2005-06 LS2 engines had the 24x reluctor and 1x cam gear, like the Gen. 3 engines. All engines built in 2007 or later had the standard Gen. 4 58x reluctor and 4x cam …