The first automotive application from the lock-up theory was Packard's Ultramatic transmission, introduced in 1949, which locked up the converter at cruising speeds, unlocking when the throttle was floored for swift acceleration or as being the vehicle slowed. A torque converter simply cannot obtain 100% coupling effectiveness. The vintage a https://torqueconverterclutch19630.vblogetin.com/39694473/details-fiction-and-torque-converter-clutch