16V and Silvertop engines all use a rubber dampener involving the center A part of the main crank pulley and equally of two outer pulley rows. The Blacktop Alternatively only has dampening around the pulley row that may be on the aspect closer for the engine, as such the outwards https://4age-20v-itbs48047.mpeblog.com/57302881/4age-20v-itb-no-further-a-mystery