The first automotive software from the lock-up basic principle was Packard's Ultramatic transmission, launched in 1949, which locked up the converter at cruising speeds, unlocking if the throttle was floored for rapid acceleration or as the car or truck slowed. Using the a few-passage torque converter, two passages are utilized https://kylermamwh.bligblogging.com/34598158/details-fiction-and-torque-converter-clutch