I found an article about an engine he built, attached it here: It was published in Hot Rod Magazine.
http://www.hotrod.com/techarticles/e...sor/index.html
He also has a website. Seems to be very well known. Joe Sherman Racing won the inaugural 2002 Popular Hot Rodding Engine Masters Challenge I'd say he is the real deal.
http://www.joeshermanracing.com/