ok, i guess no one is thinking how Nitrous works. once injected the molecules separate and leave only pure oxygen going into the engine. on a gas engine or diesel they sense the incoming oxygen and add fuel or use a wet kit that adds fuel at the same time. all this is done so that the mixture doesn't lean out to much. with a propane system them add propane by how much volume of air is pulled thru the system. i don't see it compensating for the jump in oxygen and will probably create some issues, quickly.
