After carefully rereading your original post, you said "so I jump the battery hot post to Field- now it is hot while running."
Assuming that means you were able to get it to show charge under that condition, that tells me it is a type B generator.
Something to try, with the engine running at fast idle, enough to overcome the cutout relay, 1500 RPM or so, gently assist the spring on the regulator contact that is aligned with the terminal for the field connection. See if that will make it charge. If it will, that means the regulator is correct, and all that will need be done is adjust the spring to compensate for the 8v battery.
Here is some info on Autolite regulators I was looking fr. Note the layout of the terminals is different than yours, but that could be because it's aftermarket.
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