You line up the dot on the REAR of the pulley (there's one on the front too, but, your cam timing will be 180DEG off if you use that one) with the top edge on the front side of the head without the valve cover on. This will be top dead center. Tom -- Email problems to: scirocco-l-probs@scirocco.org To unsubscibe send "unsubscribe scirocco-l" in the message to majordomo@scirocco.org