New Owner, Humbly Looking for Guidance

7milesout said
The original engine was a 318, and the transmission was a 904. These were swapped for a 360 and a 727 out of a 1975 Dodge Regal (he thinks it was).

7milesout

Well, Dodge/Chrysler never made a "Regal" (that's a Buick). I'm trying to think of what might be a similar name... maybe a Royal Monaco?