Quote:
Originally Posted by David Herbert
Surely the 7.00-20 size was renamed 7.50-20 so GMC CCKW tyres would fit. These are readily available as they are still being manufactured as NDCC (bar grip !). Even if the sizes are different they are very close.
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No, 7.00-20 was not
renamed to 7.50-20. The 7.50-20 is a different tyre with a
section width being .5" larger. The
section height should also be somewhat lager as that is dictated by the section width. But the 7.50-20 tyre having a
wheel diameter of 20" will fit on the Bofors gun rims as they have a comparable - if not identical -
rim width (bead) as the wheels used on GMCs.
So yes, "Even if the sizes are different they are very close"
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