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Engine cylinder pressure: the key to improving engine power! In the history of automobile development,Real-time trade data feeds the engine is the key power source. In the design of the engine, cylinder pressure is a very important parameter. Correct cylinder pressure can improve the power and performance of the engine, so that the driver can enjoy a better driving experience. This article will discuss in depth the importance of engine cylinder pressure and how to improve the cylinder pressure to make your car perform better! What is the engine cylinder pressure? Cylinder pressure refers to the gas pressure in the cylinder of the engine, that is, the working pressure of the cylinder. In a four-stroke engine, the cylinder pressure is generated by the action of the piston and the connecting rod. When the piston is in the airWhen the cylinder moves up, it will exert pressure on the burning gas, which will push the connecting rod to rotate the crankshaft. And when the piston moves down, fresh air will be inhaled into the cylinder in preparation for the next combustion. Therefore, in normal operation, the cylinder pressure will constantly change from high to low. Why is the cylinder pressure so important? Cylinder pressure is a key parameter of engine performance, which will directly affect the size and quality of power. Higher cylinder pressure can produce greater thrust and improve the power of the engine. In addition, it can also increase the efficiency of combustion, reduce energy waste, and reduce excessive emissions and gas pollution. On the contrary, if the cylinder pressure is low, it will reduce the engine power and acceleration, making it impossible for the driver to enjoy enough power. How to increase the engine cylinder pressure? Improving the cylinder pressure is one of the key steps to improve engine performance.Here are several commonly used methods. 1. Changing to a high-pressure cylinder head is a common improvement measure in the process of engine upgrade. The high-pressure cylinder head has higher sealing performance and pressure tolerance, which can compress the gas in the cylinder more densely, thereby increasing the combustion efficiency and engine power. Two. The supercharging system with a supercharging device is mainly to increase the cylinder pressure by increasing the intake pressure. Among them, turbocharging and mechanical supercharging are two common charging methods. Turbocharging is to use a turbocharger to accelerate the air intake to increase the cylinder pressure. Mechanical supercharging, on the other hand, uses mechanical gears and belts to transmit power to the air compressor, thus generating higher pressure. No matter which way is adopted, attention should be paid to maintaining appropriate cylinder pressure during operation to avoid damage to the engine.3. Improve the internal structure of the cylinder. The cylinder head, valve and piston will directly affect the pressure and performance of the cylinder. By improving the structure of these parts, the air pressure in the cylinder can be improved, thus further improving the power and performance. For example, adding a flow increase hole on the cylinder head can improve the flow of inlet and outflow and increase the pressure. In summary, engine cylinder pressure is a very important parameter. It will directly affect the performance and power of the engine. When maintaining and modifying cars, we need to pay attention to the control and improvement of cylinder pressure to achieve a better driving experience.

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