I ran the original 17" 3 piece lock ring wheels on my 3800 for several years, and will again if I ever get it back together. Although if I found a set of single wheel 8 lug 19.5" wheels I'd run them with 8R19.5 tires.

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-