Nothing simple...

I have installed Disc brakes on my 6400, but they came with newer axles, the rear is simple, the front takes some work. It is not recommended to have disc on the rear without the front frist.

My method allows you to keep the original bolt pattern front and rear (5 and 10 on 7.25" circle), the center hole is larger, but new wheels are available, or you can have your old 20" ones bored out to fit.

Check out my pictures on the link below.

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-