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Is it okay if the new car doesn't pull the highway? What do you think of this?
You can't. Because the new car is pulled at a high speed during the running-in period, it is beneficial to form on the friction surface between the cylinder and the crankshaft? Mirror? Reduce friction and resistance, and the car will run more smoothly in the future. During the running-in process, a large number of metal fragments are also removed by high-speed flowing oil. Need to pass the later stage? Running in? In order to improve the future use effect and service life. If your new car is generally in a low-speed and low-speed congested road section, it may be helpful for you to increase the speed, because low speed will slow down the flow of oil, and high temperature environment will oxidize to form more carbon deposits.

Increasing the speed can remove carbon deposits from the engine. Because in the running-in period, the new car will drive at a low speed for a long time, which will easily lead to carbon deposition in the engine. This is not only suitable for new cars, but also for cars driving in ordinary cities. The engine load is low, the speed is slow, the stop and go, the combustion state is not ideal, the fuel quality is unstable, and impurities such as carbon deposition are easily formed. General surgery.

Pulling high speed can better run-in. It refers to the process of increasing the engine speed, keeping the engine running in a high speed range and making the contact of meshing surfaces more consistent. Internal parts become smoother. The purpose of this is not only to improve the stability of internal parts of the engine, reduce friction to save fuel, but also to prolong the service life of the engine. The engine is not as fragile as everyone thinks, and there is no need to adapt the engine to different speeds.

Finally, pulling up the highway can better test the stability of the car. ? Pull the highway? The real significance is to improve the speed to test the stability and safety of engine, cylinder spark plug, automobile suspension and other vehicle parts. And expand the tolerance range of stretching, compression, anti-collision and torsion. At the same time, the piston and camshaft in the engine can work as fast as possible; The transmission gears in the gearbox rotate as fast as possible, which makes the meshing between gears smoother and can also remove carbon deposits. After all, the technical level of automobile production is constantly improving, and cars are not so prone to failure.