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i have been researching and it has been done, but usually for performance.
and a manual boost controller could really make emergency water shortages not a problem
on a large car, or a track car this would not be very feasible, but on a car that uses LITTLE gas already, the water would not be used in 5 minutes and might last for a week or so depending on driving...
through thought and research, my design would be:
-manual boost controller as a fail-safe if no water present, jut turn down boost
-external 2 gallon tank
-adjustable pressure activated switch
-solenoid wired to pressure switch normally closed, opened when pressure in charge pipe
-nozzle for atomization
-needle valve for calibration
i assume one could basically introduce the boosted psi to the external water reservoir causing the pressure in the tank and lines to the nozzle to increase, then a boost pressure switch inline activating the solenoid to open releasing water. one would want the solenoid to open slightly before the air would reach detonation levels and close normally, preventing the water from leaking into the engine. a pressure purge on the system would greatly help with this. many use washer fluid because it wont freeze, but in summer, regular distilled water should be fine, and my thoughts are that normal water would PROBABLY be fine too...
this way one could induce a lean burn situation and REALLLY shoot for super lean mixtures or advanced timing and get the benefit of turbo power, less gas use, and water as fuel. plus the water steam cleans the engine and would make it last longer.
just like in a turbo that sucks at gas mileage but produces power reliably, its all in the tune. this system would have to be tuneable, but is it possible to tune just the water and boost and not the ecu? maybe.....
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