I am trying to determine if the Muncie 4-speed in my '70 GTO is replaced or if it is even a '70 unit.
The driver's side case has the number 3?52648 but also has a date stamp on the lower right that says 7-1-83. This is what is confusing me, and I am guessing that it may have been stamped by a rebuilder on that date.
The passenger side of the case has 3925660 then 3088336 and a stamp of POK238A.
Any help is much appreciated!
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