I would suspect the 31 9 would mean the 31st production day of 1969, and would guess the 337 to be the last 3 digits of the job number that might show up on the build sheet if you had one.
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Rick
69 Chevelle SS396 Silver L78 M21 Post Sedan (Berger Chev.)
69 Chevelle SS396 Black L78 4-speed 4.10 Post Sedan
Don't text and drive.
Somebody's life may depend on it!
Last edited by Rixls6; 03-07-2017 at 11:46 PM.
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