ha 73 what you need is kv tube from the valve cover to the air cleaner at w.o.t. there is no vacuum at the pcv you need some place for the crank case presure to go use an oil cap with about a 1/2 in hose nipple ford and chry products used them run it to the air cleaner inside of the filter element at w.o.t that is a low presure area the cap acts as a baffel good luck ted