The Ford GT has a supercharged 5.4L V8 and goes 205 mph. John Hennessey decided that he could get more out of the Ford GT by adding two turbochargers to an already supercharged engine. The result is a 1000 hp monster known as the Hennessey GT1000 Twin Turbo.I saw the Hennessey GT1000 Twin Turbo at the January 2011 edition of Houston Cars and Coffee. Several Hennessey tuned cars were at the event