An overdrive gearbox provides an additional gear ratio that permits the automobile to cruise at significant speeds with reduce engine RPMs. This not just improves gas performance but also minimizes engine put on and sound. Motor Shaft: The engine shaft is connected to the motor as a result of clutch. https://beauvyxui.idblogz.com/34637533/how-automobile-gearbox-can-save-you-time-stress-and-money