Cobra, thanks for that info. I was cruising around for other info and found a guy who's done Water Injection successfully on a Turbo, as well as a Crankcase Ventilation mod, and some other neat stuff. If he isn't a member, he should be.
Water Injection Project
The Picture is there, large format, if you click it.
Check out his main page:
Matt Karls' Dodge Mod website
And from there check out his formulas and data table (weight/HP/MPG).