Cool Dave’s 1973 Dodge D100 Club Cab

CoolDave said

I have the service manual, I originally had it set to factory spec on the timing, I only bumped it up after losing the vacuum advance out of curiosity of how it would respond. I am considering just picking up another new distributor locally as the one I got online is obviously questionable. I will hook it to ported vacuum, is that the small port under the choke on the passenger side?

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Depends. What carb do you have? Post a few pictures. No need to get a new distributor just yet, you might just need a vacuum can. And let’s start talking in actual numbers here and narrow down the timing. What is the initial timing and what is the idle rpm? What is it at 1500? 2000? 2500? And so on. What rpm does it stop advancing at? With that info someone like @Mattax can plot a graph for you. All of this should be done with the vacuum advance disconnected and plugged.