DCAWD.com

http://www.crossflow.com/tech_info/cyli ... block.html
These guys are taking the block and heads from an EJ20 and H6 and callin it their own. At least give Subaru credit...

Ya, that is kind of lame :/ 350HP @ 6200 RPM... not bad, I have to admit. With the tollerences and toughness that a aircraft engine has to have, I bet it would be one hell of a motor. Hellish expensive too