To know exactly your gonna have to cc the chambers. Go to your pharmacy and get a large syringe,one that will hold better than 80cc. A vet may be a better bet. Go to your hardware store/glass shop and get a small plexiglass,just big enough to cover the chamber. Drill a hole in it so when the head is flipped chamber up,the hole will be on the high side of chamber. Fill your syringe with rubbing alcohol. Mix it with a bit of food die first. Then seal the plexiglass to the chamber with vaseline or similar. Now fill chamber with died alcohol. Record how much it took to fill and thats your chamber size in Cubic centimeters (cc ).
