65 Barracuda Casting Numbers

The 65 Barracudas that were Commando V8 cars got the same engine as the Formulas S. Look at your fender tag if you have one and see what the numbers are under the AB line on the left side of the tag.
AB
30 = 273 2 bbl
AB
31 = 273 4 bbl Commando
AB
32 = 273 4 bbl Formula S