So I noticed this from the Sunderline article "The Jimmy's Ancestry" Pt 1.
No, the error is not that he called it a Jimmy... although it never was called that... but this:
Here is the correct tabulated information from the SNL-G-508 p 459
Do ya see it? Hint, there were not THREE types of closed cabs on for the CCKW.
This is why its important to double check stuff!!!! Errors are always out there...