I wire wheeled and painted the inside of the roof. What I found was this.

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I was planning on cutting patch panels out of a 64 parts truck. The problem is the roof on the parts truck is different. The crew cab is 1965 f350 with the step wells in the cab, the parts truck is a 1/2 ton but it also has the step wells in the cab.
The crew cab has a drip rail that goes all the way around the cab, the parts truck does not. What year and model of cab do I need to look for in order to get the right roof line? Or is this something peculiar to a crew cab.

