quote:Originally posted by snaponbob:
LOTS more hoses came off of it !!!!!
The 1972 Ford manual does not have an all inclusive diagram for the vacuum hoses, like they provided in 1973. It would not reflect the installation of the DeTomaso PVS valve anyway. The orange Pantera parts manual has a diagram for the 1974 vacuum hoses, but I have doubts about its accuracy. Neither the Pantera Technical Information book nor the Pantera Service Highlights book have a vacuum hose diagram.
Ford designed the "IMCO" distributor controls to retard the motor's timing at idle to reduce hydrocarbon emissions and NOx emissions; but the controls allowed the timing to advance if the motor began to overheat. DeTomaso's PVS valve replaced Ford's vacuum control valve, it actually slowed the engine speed if the motor began to overheat. There's another vacuum valve in there called a "deceleration valve" which was also designed to reduce hydrocarbons. None of these things are necessary, or desirable. The engine shall run better without them.
If the Pantera you are working on is a 1972-1/2 L model, then it will have a 1973 Q code motor with exhaust gas recirculation. There shall be a plate between the carb & the intake manifold, with a diaphragm actuator hanging off the back. That diaphragm would be connected to ported vacuum, just like the distributor. But I don't recommend hooking up the EGR, leave it disconnected, or better yet, remove it altogether.
The only other vacuum connections are the large hoses for the PCV system, and the power brake booster.