http://www.rebelloracing.com/
This guy knows how to build a wicked Z race motor. He's about as well known as Darius in most Datsun circles.
There was a guy in the DZA with me in Arizona who raced a Z with one of Rebello's engines and pulled away so much in one race that the SCCA was going to make him tear it down so they could measure it, but once they found out who built the engine, they dropped their inquiry
