Mythical 440-headed smallblock

That’s different! Guaranteed it predates the Stage IV (or is it Stage VI) Hemi Conversion Heads
It was when pro stock was getting started. Charley Malyuke was experimenting a bit. I think he was at Gary Ostrich's shop. They did some experimental work for Mopar. A link to a little discussion. Bill Deadman was a member here. Mopar 440 racers - time to legalize that shortblock! - Page 6 - CLASS RACER FORUM