Here is a link to a "Sallleen" Mustang GT 99-04 body style with a turbo kit. They have pictures and a graph it put down 912rwhp sae/ at 24psi on 101 unleaded. Pretty bad, but pretty peaky for a V-8 too. Car weights around 3500lbs.

http://www.modularfords.com/forums/p...oon-42901.html