Torque Converter Problems?

ill try this,,,,,,,,,,,,,if you have changed the cam its not pulling enouf vacuum..you will have to put a biger vac tank on.it could bee 500 difernt thing you have to tell us the history of the motor or what you have dun to it Artie ps.and you will get a faster anser if you sign in to the welcome wagin................:thumblef::thumblef: