How to Select the Smallest Gear Ratio of Tracor

1. Maximum speed.

2. Reserve power .

3. Driving performance.

 Torque response: An engine with a large displacement and a large number of cylinders can provide a larger, faster and smoother torque response.

 Noise and vibration: The engine works under heavy load, the acceleration is not good, and noise and vibration appear. However, the minimum gear ratio is too large, the fuel economy is poor, and the engine runs at high speed with loud noise.