Methanol Injector nozzle size
 

I want a wather methaol injection kit and what size nozzle should i get?

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No one with water/meth ahs any input?

Google. There are several calculators that can help. Devil's Own has a good one.

Thanks for the info

Is it for more power or cooling? I'd rather invest in a bigger intercooler or nos.

Both

There is no "both" without compromise.

Water cools and cleans the engine but doesn't increase power. Methanol cools and increases power but eliminates any cooling effect when it burns. A 50/50 mix will increase power but won't change EGTs. A 60/30 mix (washer fluid) will cool a little and increase power a little.