These used synchronizers to match equipment speeds, letting for smoother shifts and simpler driving. The mid-twentieth century noticed the introduction of computerized transmissions.  Do not forget that in the neutral position, just the clutch shaft gear is engaged towards the countershaft gear. Other gears are no cost, so the transmission https://automobilegearbox41626.blogtov.com/14644192/considerations-to-know-about-automobile-gearbox