I think Jay Zed is correct. I have tires on 6" and 7" rims. Here's a picture. Can you tell which rim is the wider one?
(ignore the plank on top - that's just there to stop them from falling over - one tire is not noticeably taller than the other)
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IMG_20181012_125636.jpg (257.41 KB, 65 downloads)

Last edited by Gord&Fran; 10/12/2018 11:50 PM.
Gord 🇨🇦
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1954 1/2 ton 235 4 speed