65 Barracuda Formula S 273 4 speed

Here is a break down of production.
Barracuda Total----------------------- 64,596
1965 Barracuda - 8 cylinder--------40,522
w/ 273 4bbl automatic----------------4,505
w/ 273 4bbl 4-speed------------------4,874
w/ 273 4bbl total---------------------10,062
w/ 273 2bbl total---------------------30,460

Formula S cars were not broken down as far as I know.