5k lock cylinder code?

[Tom Nas]

sjensen at mindspring.com wrote:

>I recently replaced the driver's side doorhandle on my '87, and swapped 
>the lock cylinder assy. to retain the correct key.  However, I looked all 
>over the cylinder to see a code of some type, came up dry.
>
>I want to have a new key cut from the code, where can the number be 
>found?  Have not checked the trunk or passenger handle.

Yeah, an urban myth which I believed in until recently also. My 80 didn't 
show any traces of numbering either, so the only clue would be your factory 
key tags (long gone, probably).
I just resorted to having the key replicated by a locksmith.

Tom