Can someone help decode this body code plate

31 = 273 2bbl
1 = 3 speed
if that helps.

From Dodge charger.org (I didn't put your sequence number in)

View attachment 1715883602
Okay guys appreciate all the help. I did find a picture of the vin on the door jam so i have that now. Do you think this is a 3 speed manual shift on the column or a automatic 3 speed on the coloumn 904? i am not near the car to go look at it