There ARE guys racing them. i think Josh races against one or two at laguna Seca and Sears Point (sorry, Inferion...) in NorCal.

I would love to go that route, but i'm skeptical it can make the needed power. Stock, I think it makes a specific output of 120hp/ltr, which is one of the top three naturally aspirated motors in existance. Ferrari's V8 out powers it, but with trick valve timing, and exhaust and intake magic as well.

I'm waiting and seeing.