Most transmissions in contemporary automobiles use synchromesh to synchronise the speeds on the input and output shafts. Even so, prior to the 1950s, most cars used non-synchronous transmissions. Several early variations of such transmissions have been semi-automatic in operation, such as Autostick, which automatically Command only the clutch, but https://gearbox69112.blogocial.com/getting-my-gearbox-to-work-69561631