timed vacuum or manifold vacuum for the connection to my vacuum advance???
Just triple checking every little thing. I have an edlebrock on my stock 351c
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Full manifold vacuum for non-emissions, cool idle tuning. Set your static timing with vacuum disconnected, then connect the vacuum and set the idle speed.
Dave, you need my book 
Note that only at closed or almost closed throttle is there a difference, normal driving and accelerating the vacuum is the same. Proven in a test. So use the port that gives you the best idle and being able to start it.
IMHO you can't use advice like a certain number of degrees for anything more than a starting point, it varies per engine, and you can only optimize your engine timing by trial and error as my book describes. Those that have read it will agree...
Note that only at closed or almost closed throttle is there a difference, normal driving and accelerating the vacuum is the same. Proven in a test. So use the port that gives you the best idle and being able to start it.
IMHO you can't use advice like a certain number of degrees for anything more than a starting point, it varies per engine, and you can only optimize your engine timing by trial and error as my book describes. Those that have read it will agree...
Dax asked a simple question and I gave the correct simple answer for a stock setup. Sometimes simple is better. This isn't rocket science.