Does engine overspeed have any impact?

[SanJohn]

Regarding the impact of engine overspeed, it can be divided into effects on the vehicle body and personal safety. The specific details are as follows: Impact on the vehicle body: Prolonged high RPM operation can place a significant burden on the engine due to excessive heat. If the vehicle outputs excessive torque at 3500-4000 RPM and consistently operates or shifts gears within this range, various components (such as the engine, transmission, tires, etc.) will endure excessive torque, leading to reduced lifespan. Impact on personal safety: Engine overspeed increases fuel consumption and reduces safety due to higher speeds. When shifting gears at 3500-4000 RPM, the vehicle may experience a slight lurch forward. It is advisable to moderately lower the shifting RPM to achieve optimal driving economy.