It's a Mopar Poly. The new Rod & Custom has a A model on the cover with the same engine. There's alot of guys on here that know more about them than me, so I'll stop. Kevin Ooltewah Speed Shop www.kevkographics.com:D
Funny thing about that motor... it's actually a SBC dressed the part of a poly. I know a guy, who knows a guy...
Well that may explain why the fellow who was asking was getting mixed results in his search. Thanks for the insight.