Symptoms of too much Water Injection

[TurboGTi]

I'm just wondering what are the symptoms of too much water injection.

Also what are the limits of water injection, can too much be injected?

suppose i increase timing on my engine and the boost to an absurd level and run two 1.0mm jets ... What are the consequences?


I know it is a strange question but what i really want to know is what is the most intense water injection Set up that you have or have come accross?