[rotrex]

The methanol evaporates very quickly generating smaller high water content droplets.
Water only evaporates rather slowly in the seconds time scale at low temperatures. It only hits the millisecond evaporation time scale (for the fine mist we talk about here) once temperatures get got, so in the compressor and then ultimately in the cylinder.
What counts most IMHO for any spray going though pipes before a turbo compressor is not having any ridges where water can accumulate or puddle. Turbines do not like big drops.
Between my pre compressor jet and the turbine is just one smooth pipe.