The builder was Eddie Miller from The Engine Works here in South Florida. He had a NA purple Duster and use to compete in Drag Week back when it started around 05 or 06.
My builder is one of the Founding Members of

Somewhere around here, I have a binder with the specifics. I had the Kenne Bell, first so, the engine was built around the KB to include cam selection (Ed Curtis).
When I come across the damned thing again, I can post more if interested.