68 GTS 383 Tire Pressure Decal

S'cuder said
GTS got E70-14 tires standard.
https://www.hamtramck-historical.com/images/dealerships/DealershipDataBook/1968/68_Dart0015.jpg

You can guess early or late build date by your VIN and/or SO number. Lower numbers mean early, higher numbers mean late

Thanks for the tire chart!! I would say mine is a late build last 6 numbers are ”380423”