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easyupbug - I had a 1947 Dodge in college that I picked up for $50. Original paint with all the sub layers exposed to the metal in some spots. It too had a fluid drive which was just a fluid coupling between the flywheel and the clutch (3 speed).
It would go anywhere in the snow as you could not get the rear wheels to spin but could apply the needed traction. I was stopped once for potential equipment violation and asked to put it in gear ad let out the clutch with my foot on the brake.
The RPM dropped about 200 RPM but the engine kept running. It has "suicide" doors in the back as I believe yours has.
Found a good, IIRC, 352 Hemi from 1952 I was going to put in it but the steering box was in the way. Lots of stories associated with it. Sold it when I left college for $200. Should take a digital pic of it .