The main automotive software of the lock-up basic principle was Packard's Ultramatic transmission, introduced in 1949, which locked up the converter at cruising speeds, unlocking when the throttle was floored for fast acceleration or as being the vehicle slowed. The friction substance applied around the lock−up piston is identical variety https://torque-converter-clutch26801.ageeksblog.com/32879505/a-review-of-torque-converter-clutch