No differents in power because like I side that would involved advancing timing
But I did notice the intake was a little cooler to the touch then running with it off on hot days
My setup only sprays under load 3 or more lbs of boost
Just remember water absorbs heat there for reducing intake air temp.
And meth increase detonation threshold ie acts like an octane booster
My advice for people keeping the Stillen kit upgrade the size of your coolant tank for the supercharger.
This was after a short drive and its about 65 degs outside and I did not use the water/meth or drive in boost