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The Cylinder Head: Buying And Maintenance Tips

By Ruthie Calderon


In order to offer the required maintenance for your car, you have to understand it in and out. Just like you are your own first doctor, you are your car's first mechanic. With a deep understanding of smaller things that affects the engine performance. The cylinder head, or a "head" is perhaps one of the least understand the component and yet very important for car performance.

This is the part attached to the cylinder block that contains the cylinders and the pistons. The head gasket seals the blocks, thereby forming the combustion chamber which is the essential required to build the torque and the horsepower. The head plays an important role in allowing the inward flow of air-fuel mixture and an outward flow of the exhaust gases from the combustion chamber.

A "head", as it is simply referred, is a very important part of any internal combustion engine. Normally, it is attached to the cylinder block top. This is the part that contains the piston and the cylinders. In order to form the combustion chamber, the blocks get sealed with the head gasket. It works by allowing the inward flow of a mixture of fuel and air while allowing for the outward flow of the exhaust gases into the combustion chamber. The process is very necessary for the car to build torque and the horsepower.

In addition to capping off the cylinder block, it also contains the essential engine components. These include the spark plugs, the valves, and the fuel injectors. For the engines that are water-cooled, the heads contain the coolant ducts. This is the component that facilitates the heat transfer from the engine.

When it comes to design and complexity, it varies depending on the engine. In most cars, a single head is enough. The V-engines on the other hands have two heads to fit into the two cylinder banks which are part of the V. In the case of trucks and tractors, each cylinder has a head for ease of repair and general maintenance.

The maintenance is the other important aspect to understand for optimal engine performance. The heads have many passages that can allow fuel flow which make clogging with residues common. When it is dirty and clogged, the engine performance drastically reduces. As such, the cleaning of this component is part of the routine maintenance program. There are several tips that can be helpful when cleaning.

The rate at which the mixture of air and fuel get burnt depends on these factors (size, shape and location). In compact chambers, for instance, sparks are at the center, which in turn promotes a faster burn rate with better fuel efficiency and few instances of spark knock and detonation.

The other factors to look at include the valve or port flow capability that determines how free flowing the ports and the valves are in the engine, the mixture motion (the motion of incoming fuel and air mixture), and the material. It should be made of a more rigid and strong material so that it can effectively and uniformly distribute the forces which in turn facilitates fuel combustion.




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