I am not sure what your end goal is with your car but you could run Ethanol. In the dead of summer I see about 180 at the end of a run with around 25lbs of boost but I don't pull any timing. Last year I would run about 17 at peak torque and as the torque decreased I would end up with about 27 degrees of spark. The problem with Ethanol is the need for additional volume. I wouldn't run E85 I would run straight Ethanol if you really want to push your car.
It is just a thought but it is much more simple that an air to water and dealing with ice.
It is just a thought but it is much more simple that an air to water and dealing with ice.