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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
all the connections on the upper intake manifold are a pain to get to. The pcv goes to one side of a tee up under the upper intake on the driver side towards the back of the manifold. On the very back there is a hose that feeds vacume to the tree on the firewall its probably the easiest one to get to.