I haven't picked it up yet, but I found a cheap 440/727 out of a 70's motorhome locally that I'm planning on running in it.
I'm starting to get a little excited to see things moving forward. I might drive it before summer's end after all!
Here is a picture of the Coupe mocked up a bit more, 2x3 tube c-clamped to the frame and a '42 Ford front end, just enough to roll it around basically.