Steam injected into the manifold increases engine vacuum and torque, RPMs rise faster and the engine is de coked and cleaned internally, also the exhaust gas vanishes? I am unable to explain why this happens, there are thousands of patents for steam injection systems yet I have never seen one on a car, why not? my fuel logs show a 14% increase in efficiency so far. Any comments and suggestion are welcome to try and explain this phenomena.
Dry Steam, Superheated Steam, Water vapour.