Force - A push or pull acting upon a body. In a hydraulic cylinder, it is the product of the pressure on the fluid, multiplied by the effective area of the cylinder piston. It is measured in pounds or tons. Friction - The resistance to fluid flow in a hy- draulic system.
temperature increase The pressure of a contained sample of gas can be increased by increasing its temperature, or by decreasing its volume, or by injecting additional mas â¦ s into it.
Generally speaking when you increase the spring pressure you will also increase the diameter of the valve spring itself. The cylinder head youâre putting these springs into may not be machined for this diameter so you will need to machine the spring seat to accommodate the larger spring.