Wow! So many questions GMCguy..... wink

Anything's possible if you have enough cash, I don't think there would be any structural issues in doing it,although it would be a matter of finding a suitable donor.
You couldn't use a sliding/tilting metal unit on account of room,but I'm sure you could use a sliding ragtop model,if you could find one with the right curvature to match the roof..

1950 Chevy Advance Design 3100 in Scotland
In the Stovebolt Gallery
More pix on Flickr.
I've definately got this truck thing in my blood ... my DNA sequence has torque settings
"Of all the small nations of this earth,perhaps only the ancient Greeks surpass the Scots in their contribution to mankind" Winston Churchill.