Swapping the whole frame is the hard way to go about it when you just need rims that fit...

I had some 16" rims off both Ford and Chevy on my 52 1 ton pickup, nothing special. Now I have some 19.5" wheels, which I think is the ideal wheel for these old 1 tons if you want a tubeless one. And I ran the original 17" wheels for a long time to, nothing wrong with them either.

You have wheel choices if you look a little more, and I'm sure much much cheaper than $400 per wheel or whatever a whole frame/drivetrain swap cost you.

Grigg

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-