The very first automotive application in 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 swift acceleration or because the car slowed. The friction materials utilized within the lock−up piston is identical https://torqueconverterclutch19741.pointblog.net/fascination-about-torque-converter-clutch-77736767