In reading your post I’m somewhat confused about your measurements. The proper way to measure wheel base is center of front hub to center of rear hub. That measurement will tell us if the w/b has been modified. Measurements from cab to the rear edge of the frame are irrelevant. Frame modifications were very common during the lifetime of a working truck. Cool old COE to get you started on your adventure.


Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)
‘65 Chevy Biscayne (Emily)
‘39 Dodge Business Coupe (Clarence)
“I fought the law and the law won" now I are a retired one!
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USAF 1965-1969 Weather Observation Tech (I got paid to look at the clouds)