Each change valve responds to a specific tension assortment; so once the motor vehicle is going more rapidly, the 2-to-three change valve will acquire over, because the strain from your governor is significant enough to cause that valve. This astounding piece of gearing has appeared on HowStuffWorks just before. It's https://edgarppqrp.blogmazing.com/32953119/rumored-buzz-on-gearbox-auto