The main automotive application with the lock-up theory was Packard's Ultramatic transmission, introduced in 1949, which locked up the converter at cruising speeds, unlocking in the event the throttle was floored for quick acceleration or because the motor vehicle slowed. The Charge of the oil stress in the lock-up clutch https://torqueconverterclutch57899.activablog.com/33130821/not-known-facts-about-torque-converter-clutch