Have to agree with the the above post. Dial back timing lights are usually off. Think of a radio crackling when you turn the knob, same thing happens with the dial backs, Now all the digital ones are usually spot on.
Manifold vacuum will slam the vac advance full in so no wonder your not getting any advance at 2000 rpm. The vac advances on Mopars mostly all work the same. Sounds like you have really light springs in the mechanical advance.
Halifax Hops P206-207 Distributors and Parts. I will also have a real ECU tester with me to check out the ECU's Need something for me to bring PM Me. I am only bringing around 100 completed distributors but will have my my completed list and can get them on Friday. Stop by and say hello and get...