That's interesting. Did you make up the compressor brackets on the spot?
You can see these were welded up.
Brought that car to NJ from Michagan in '89 IIRC.
Arizona car. Sold by Town & Country Chrysler in Pheonix.
Had 52,000 miles on it when I bought it. Well more like 152, or 252 as you can tell from the engine compartment.
But its tube spark plug head engine that might have been painted red before getting the blue so could have been original. Didn't think to look for a number on it before giving it to the guy who bought my '68 with knocking rod bearings.
Point of all that is I can't be too sure when the A/C went on.
The torxlike screw heads suggest it might not have been right away. Torx was just being introduced around then. There might have been other star drives though.