Early A exhaust manifold questions

And according to my production books, the Commando was only available in the Barracuda in 65 and not in the Valiant until 66 but please read post 39.
I had a 65 Valiant 100 with a factory Commando with 4 speed in 1966- one prior owner- racer. Cousin had a 65 Signet with a Commando and auto- bought new in 65 They definitely were built