Water injection has been arround 1940s when it was used to cool the charge temps of fighter aircraft, when on emergency boost using a belt driven supercharger.
Yes I have signed up today when I heard, via Jano, all this crap being said about my display.
The display is designed to operate water or fuel, it was only implimented recently.
My name is darren, look at the ones sold by myself on ebay by "darren2248".