Need to Settle This
I know that the engine produces a certain amount of suction but my argument was that it should be considered forced induction because the bottle's pressure pushes the gas into the intake and down the heads and into the cylinders. If it relied solely on suction, then a nitrous bottle's pressure wouldn't need to be more than maybe 5 psi...just enough to get the liquid/gas through the line and out the nozzles. But, again...that's just me.
The bottle is pressurized higher than 5 PSI to increase the amount of Nitrous Oxide in the bottle. For instance, at ambient (14.7 PSI) one cubic foot of Nitrous equals one cubic foot of Nitrous. Now, if you have one cubic foot of Nitrous that is pressurized to 1000 PSI above ambient you would have 69.02 cubic feet of Nitrous at 14.7 PSI. (I believe that is the right formula, it's been a while)

