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Engine power---Engine power is How to secure international sourcingenhanced, driving is more fun. In modern society, cars have become the main means of transportation for people. People's demand for cars is not only concerned about comfort, space area, appearance, but also about the power system of cars. As the core component of the automobile power system, the engine plays a crucial role in improving automobile performance. Improving engine power is the basis for improving car performance, and more and more car enthusiasts are paying attention to how to enhance engine power. I. The meaning of engine power Engine power refers to the power output by the engine, that is, the torque and speed that the engine can generate. The greater the power generated by the engine, the faster the acceleration and driving speed of the car. Therefore, improving engine power has always been one of the most important ways to improve car performance.II. Multiple ways to enhance engine power 1. Adjust the engine system to improve the flow form and continuity of the mixed gas in the engine cylinder, achieve full combustion of fuel, and improve the efficiency and performance of the engine. The most basic method is to adjust the ignition timing of the engine. Only when the ignition is optimal ignition time can the mixed gas be fully burned under the best pressure and temperature conditions, and the engine power can be improved. Two. Replacing the air filter and the air filter of the intake pipe is the first protective barrier of the engine air intake system, which has a great impact on the air supply and air intake cleanliness of the engine. Replacing the high-efficiency air filter, increasing the length and shrinkage ratio of the intake pipe, and improving the design of the air intake can improve the intake efficiency and enhance the engine power. 3. The modified principle of frictional pneumatics of the exhaust system tells us that the air flowing in the exhaust channel is divided into two parts: the inner layer and the outer layer.The flow speed of the inner layer is faster than that of the outer layer, which will cause negative pressure waves in the exhaust channel when the exhaust valve is closed. When the design of the exhaust pipe is unreasonable, the pressure formed inside it will affect the exhaust efficiency and there are some unstable factors. Therefore, by lengthening the exhaust pipe, increasing the diameter of the exhaust pipe, replacing the efficient silencer and adopting a suitable valve design, the exhaust efficiency can be improved and the engine power can be enhanced. Four. Modified supercharging system The supercharging system is to increase the intake pressure of the engine, so as to achieve additional air intake and increase the power output of the engine. The supercharger adopts different principles and materials, such as turbochargers, mechanical superchargers, compressors, etc., which can increase the compression ratio of the engine, realize the combustion of more fuel, and fully improve the efficiency of the engine. III. Advantages and disadvantages of enhancing engine power 1.Advantages: Enhancing engine power can significantly improve the acceleration performance, driving speed and dynamic control stability of the car, so that the driver can feel more exciting and fulfilling driving pleasure. In the racing and speed industry, this kind of "power modification" has become a standard technical means. Two. Disadvantages: The enhancement of engine power will affect the service life of the engine to a certain extent. If the pressure and temperature problems of the engine cannot be handled correctly, it may cause excessive burden on the engine, thus shortening its service life. In addition, enhancing engine power also requires corresponding upgrades and modifications of the car's suspension, braking and transmission systems, which will also bring additional economic costs. IV. Conclusion Engine power brings a lot of energy to the performance improvement and driving pleasure of the car. Appropriate improvements in supercharging, exhaust, intake and ignition can bring higher power and efficiency to the engine.However, improving engine power will also cause a series of problems, such as overload and stability problems. Therefore, for the modification of conventional models, corresponding modifications should be carried out according to driving needs, instead of blindly pursuing maximum power improvement. Because safety and economy are the most basic driving guidelines.

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