Oh... DrugPhreak was trying everything on the bottom of the tankthose valves most likely were related to the the pnuematic breaks
i read on other sites that all med pressure cars have the liquid valves parrellel to the axis of the car and always on the top. ammonia goes in med pressure cars.
just out of curiosity how are you planning on capturing whatever comes out?
i assume it will spew out under its own enternal pressure.