Quote:
Originally Posted by Already Gone
Curious as to what would the other 2 digits denote if there was a 14 digit serial number on a 1967 GMC?
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Its not that simple,
In a nutshell the big differences are an added GVW range as a suffix, two digit wheelbase, two digit model and a four digit serial.
To see the differences clearly just go to the begining of this thread and compare the 67 GMC to the 12 digit 67-71 Chevrolets. In 72 Chevrolets used a 13 digit VIN with an added maunfacturer digit.