1965 Dartcharger

While adding the new rear end I couldn't add it without checking for paint splots and markings. And I found markings for 2.93 gear ration as well as a white painted area with a stamping 293. Never seen that before. Was on a 65 Dart assembled in mid October 1964. So my guess is that the stampings is the gear ratio!
Any other ideas?

I took her for a spin today and she ran like a kitten. Except for the exhausts coming true the non existing trunk weatherstrip. Well, actually it was there but didn't do the job. I really like the California cars with zero rust!

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