# Valve Spring Pressure Calculator

## About Valve Spring Pressure Calculator (Formula)

A Valve Spring Pressure Calculator is a tool designed to help automotive mechanics and engine builders determine the optimal valve spring rate required for their engine’s specific needs. Engine performance is heavily influenced by valve spring rate, since it ensures that the valves open and close properly, preventing any damage to the internal components of the engine.

The formula used in the Valve Spring Pressure Calculator is straightforward and easy to understand. It takes three inputs: Open Pressure (OP), Seat Pressure (SP), and Lift (L).

The formula calculates the valve spring rate (VSR) in pounds per inch (lbs/in) and is expressed as follows:

VSR=(OP−SP)/L

Open Pressure is the amount of pressure required to fully open the valve, whereas Seat Pressure is the amount of pressure required to keep it closed. Lift is the distance the valve travels from its closed to fully open position.

Using this formula, the Valve Spring Pressure Calculator can determine the required valve spring rate for any engine, ensuring that the engine operates efficiently and effectively without internal damage. In order to ensure optimal performance and longevity, the valve spring rate should be matched to the engine’s specific requirements.

To conclude, the Valve Spring Pressure Calculator is a valuable tool for engine builders and mechanics to determine the optimal valve spring rate for their engines. Using the formula, you can ensure that the engine is operated safely and efficiently, with the correct pressure on the valve springs.