Quote:
Originally Posted by Photonfanatic
Some of that "mist" sounds a lot like "steam" which is extremely damaging to metal over time. Sounds more like something you'd use on a very temporary basis just to knock the carbon deposits out of your combustion chambers, rather than something safe for long term use.
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Steam is water vapor. This mist is simply... mist. Water droplets in suspension in the air.
Yes, using too much or using a system with a bad nozzle which puts out fat droplets that don't evaporate readily is bad for the engine or turbocharger. But we're talking very small amounts here. It's important to size nozzles properly for the application and to ensure that you're only injecting as much water as you need and only when you need it. The system isn't on all the time.
For use as a power booster, the system is only on at high loads, heavy throttle. For use as a fuel saving device, it can be on at high load/part throttle situations or on very minimally for light load / light throttle merely as a detonation suppressant.