Yes it is a Ford GT crate motor. I'm adding the Ford Racing Pulley to it for an additional 100-150 horse power. I'll see how that works before deciding on going to a larger supercharger. The GT folks are getting ~550 RWHP with the stock motor and around 800-850 RWHP with the larger supercharger. I think that Accufab put one on an engine dyno at about 625 FWHP. The GT folks seem to be totalling out a car every couple of weeks.
I've heard that Ford's cost for the engine is $11K. The following is the link to the SAE paper describing the GT engine.
http://www.roushind.com/news_downloads/tech_papers/2004-01-1252.pdf
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