I have a 1950 216 that I am tuning. I've timed it with a slight advance to where it sounds smooth. New plugs, wires, cap, Petronix ignition and have a newly rebuilt Rochester carb. Looking at the attached videos, what sort of feedback can you guys give me? What would you do from here?

Here's the running video:

Here's the vacuum gauge reading

Many thanks for your expertise and advice! I'm pretty new, but have certainly enjoyed learning!