Modern day vehicles use helical gears and synchromesh products inside the gearboxes, that synchronize the rotation of gears which have been going to mesh. This gets rid of clashing of the gears and helps make equipment shifting simpler. The gear ratio would be the ratio involving the enter and output https://automobile-gearbox42840.blog-ezine.com/34283323/getting-my-automobile-gearbox-to-work