It is possible, and it has been done. It's called superfugial (sp) supercharging and that's how the vortech and prochargers work. I don't think you could do it yourself for anything near cheap as the gears and machining would be rough. Those supers are designed for low RPM's too, you'd be talking turbo speeds which are easily in the 90,000 to 100,000 RPM range. Difficult to say the least I think.
Just my 2 cents. Greg
