Bubba has been working on my choke

I have a new to me 1970 Barracuda with a 440 6 pack. I am fixing the several things wrong with it and one of them is the choke. There is no "fast idle" screw and my setup does not match other pictures that I have seen. I think Bubba has done some work on this. Can anyone tell me what its supposed to look like?

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Author: omegac1