Here are some wheel and tire options:
http://www.stovebolt.com/techtips/wheels/

I've got 22.5" wheels and tires on my 2 ton with P30 axles, simply bolt on, details in the above Tech Tip.

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-