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 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 …
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 …
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 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 …
Chevrolet LS Gen. 4 Aluminum Block Torque Specs · Help Center
Gen. 4, Aluminum Block, LS Engines The following specs apply to RPO codes: LS2 LS3 LS4 LH6 LC9 L92 Etc. **Click the blue links in the table for more detailed information**
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 …
How do I set my preload? · Help Center
Procedure for a Hydraulic Cam and Lifters Lifter preload is the distance the pushrod seat moves down away from the retaining lock. This specific amount of space allows hydraulic lifters …