Where does the pcv hook up on an 1968 Pontiac firebird?

On a 1968 Pontiac Firebird, the positive crankcase ventilation (PCV) valve connects to a port on the intake manifold. The PCV valve is a small, cylindrical device with a hose barb on one end and a threaded fitting on the other. The hose barb connects to a hose that runs from the PCV valve to the intake manifold. The threaded fitting connects to a port on the intake manifold.