Pressure Archives - Engine Builder Magazine
Under Pressure: The Importance of Getting the Right Amount of Spring Pressure

If we were to sum up the role that the valve spring plays in regard to its function as part of the overall valve train with one word, that word would be control. Considering that it is the predominant part responsible for keeping all of the valve train components in constant contact with the camshaft lobe, it’s easy to see how important getting the correct amount of spring pressure can be.

Oil Pump Pressure vs. Flow

Melling technical director George Richmond talks about the difference between pressure and flow within an oil pump.