When we were at Denver in 2000 there was a guy from upstate Michigan who showed up with a Firebird or LeMans with a real quick OHC in it. He is a friend of Tom Langdon's so you might want to contact Tom and he can help you out or put you in touch with him.

Ontario Inliners
1965 Chevelle
1940 Chev
1965 Chev Pick-up
1970 MGB Roadster