Restoration of Tom Myl's 1968 Super Stock BO29 Hemi Barracuda

In your Barracuda S/S recreation, you have a 67 Dana date coded in there, correct?

Didn't it have date coded 4.56 gears like WO/RO cars had?
Oddly enough I do have a 67 Dana in my car, it just kinda worked out that way.