Overdrive is particularly practical for very long-length freeway driving, in which maintaining a substantial pace with minimal motor effort and hard work is useful.  The normal torque converter automatic transmission works by using a hydraulic technique to regulate gear shifts. It employs a torque converter, that's a fluid coupling that https://gearbox-auto20753.blogproducer.com/40654413/the-basic-principles-of-gearbox-auto