http://www.h1v8.com/page/page/1562068.htm

Two hayabusa engines grafted together. 400hp @ 10K RPM, 245 lb-ft @7500 RPM. Smaller than a lot of 4-cylinder engines.

This guy is putting one in his Ariel Atom.
http://dpcars.aprsworld.com/


I'd love to know if you could cram one in an 8.