The importance of the valve springs


There are many types of springs that people use in their work. Among them, I can mention the coating springs, the compression springs, flat springs, torsion and extension springs, and of course, the valve springs.

Also, there are two types of valve springs. For example, there are springs that hold a valve closed in the cylinder head of an internal-combustion engine, ant there are springs that close an opened valve. The valve springs are mainly used in the construction of an engine. Most of the engines depend on the action of the valves. The valves are opened by a mechanical process of the cams on the camshaft. The cams are able to do this action while they are working against the high pressure provoked by the valve springs, and later they close the valves when the filters ride the heels of the cams.

But, don't believe that the valve springs are only used to close the valves. The springs must have a certain pressure in order to close the valves. Also, the pressure of the springs must be ample to assure that both the valves and the lifters will follow the contour of their cams. This process only happens when the engine is running at a high speed. How do these valve springs affect the performance of the engine? It is quite simple. Let's take the example of a weak valve spring. Normally, at a high engine rpm, a weak valve spring will allow the valve to be bounced from its cam. In this case, the valve will not close when it is supposed to do that, and the engine will suffer possible damage. In this case you will have to visit a mechanic to test the strength of every spring and to check for any malfunctions, that a weak valve spring may produce. In the case of an eight cylinder engine, the valve springs have to work more. Because in these engines the valves sometimes even open 800.000 times at 35mph, the valve springs job is getting harder and harder.

The poor performances and damages of the valves are very common problems that you may encounter with your car's engine. The valve springs normally have a certain value of tension. If the pressure is too high, the valves will be stretched. O the other hand, if the spring tension is too little, the valves will flutter or bounce. So, in order to avoid any engine malfunction, it is important to have good valve springs.