The "1" "1" is the only markings in the location you indicated
(see pics)
Oposite side same location "D2AE-CA" and "3E3"
(see pic)
Let me know if more markings are needed
[attachment=14024][attachment=14025][attachment=14026]I have a 1973 Q code mustang engine (D3Z) original bore for sale. Call with fair price if interested. (Member "Detector"? are you still looking for one?) I also have the original mated C6. 425-330-6500. I have attached pics, this has been on...