owner thinks its a z OF COURSE LOL
off of firewall
1969
ST69 12437 TR 729 12A NOR108426 BDY 69 BPNT.

Right on the boarder line for the "X" codes so it could be a Z but then again might not be. Whats the VIN and does it still have the org engine in the car?
Decode for body number: 108426

12A = Built the First week of December.
69-12437 = Coupe.
NOR = Built in Norwood Ohio.
729 = Custom Ivory Houndstooth Bucket Seats.
69-B = Lower Color is Cortez Silver and the Vinyl Top Color is Black.