I have been looking at mist nozzles. Seems you would need a heftier water pump.
The low octane petrol in a high compression engine can ignite like diesel before the spark plug gives its spark. The water injection cools the vapor and prevents premature ignition. As you remember these systems were popular when unleaded low octane fuel became prevalent. I used to take my MGB to the airport to get real petrol.
The professional manufactured systems inject post turbo and require a higher pressure pump to overcome boost pressure as well as spray a finally atomized mist. Water spray pre-turbo will eventually erode the turbine vanes. But that's tens of thousands of miles down the road, and the water actually cools the turbo bearing making the bearing last longer which is the weak spot on the cheap China turbos. Free turbo the lower pressure pump with large nozzle shooting a stream of water puts out enough water. It gets atomized by the turbo even though it's not a fine mist. It actually puts out too much water for a continuous flow. You have to push and hold for a couple seconds let off and then push again about 4 seconds later.I have been looking at mist nozzles. Seems you would need a heftier water pump.
The low octane petrol in a high compression engine can ignite like diesel before the spark plug gives its spark. The water injection cools the vapor and prevents premature ignition. As you remember these systems were popular when unleaded low octane fuel became prevalent. I used to take my MGB to the airport to get real petrol.
After I tested some more in warmer weather on the interstate I'll figure out how to move forward to something more automated. Now it's just push the button to make it squirt when the temperature goes up too much.