Some measurements from my 52 1 ton (no axle right now)

With across front fenders at top center is 72.25"
Width inside fender lip at bottom of opening both front and back is 68"
Width outside rear edge of opening at the bottom is 70.5"

So I'm guessing outside of sidewall to sidewall could be 68" and look great, and might could be 70" and be OK.

Can someone please lay some straight edges on the outside of your tires and measure the overall width and also comment on how much wider you think it could be and still fit and look OK?

Thanks,
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-