Regardless of specs (and they ARE distributor degrees) the total WITHOUT vacuum should be no where near what you are showing:
Unhook vacuum!!!!
Should be no more than 40max depending on "build" and that is likely high nowadays
If dist. is an exchange / rebuild it could have more modern BS smog advance and will have a long slow mechanical advance.
If you light is a "dial up" deal SUSPECT the timing light. I've run across those that are wrong. Find a "plain" non delay timing light to check