The first automotive software of your lock-up principle was Packard's Ultramatic transmission, released in 1949, which locked up the converter at cruising speeds, unlocking in the event the throttle was floored for quick acceleration or given that the automobile slowed. M (greatest performance place): During this level the torque converter https://torque-converter-clutch20741.blog-a-story.com/14737741/the-ultimate-guide-to-torque-converter-clutch