The initial automotive application with the lock-up principle was Packard's Ultramatic transmission, launched in 1949, which locked up the converter at cruising speeds, unlocking if the throttle was floored for fast acceleration or as the vehicle slowed. This occurs once the automobile is not really in movement or involves a https://troyeeczw.gynoblog.com/33158674/details-fiction-and-torque-converter-clutch