This guy ditched the blower and strapped on twin turbos pushing 1012hp and 899 lb/ft of torque.
The video is a HUGE file (200mb) and it shows mostly the build up. But a good way into it they show a track run and him street racing it. At one point he takes on a crotch rocket and absolutely smokes it.
Here's some pics:
http://www.stage6motorsports.com/ford_gt.html
And the video (200mb and explicit language)
http://video.google.ca/videoplay?doc...24479659719523