The initial automotive application of the lock-up principle was Packard's Ultramatic transmission, launched in 1949, which locked up the converter at cruising speeds, unlocking when the throttle was floored for swift acceleration or since the vehicle slowed. The Charge of the oil tension while in the lock-up clutch is finished https://torque-converter-clutch52963.fare-blog.com/34125955/the-smart-trick-of-torque-converter-clutch-that-no-one-is-discussing