How many of us are there? Owners of Dodge based RV's?

Possibly, but I was given a huge folder of paperwork, everything from all the original manuals and a lot of receipts from 4 different owners. Had a CD of photos from the tranny rebuild but nothing about an engine replacement. So I think it's highly unlikely. I'm going to look for block and head numbers. Should tell me what I need to know. Do you know where the numbers are?

It's interesting that my 1979 factory brochure/manual shows round headlights:

Here's mine: