Everything You Wanted to Know About Ignition Advance

Is that good or bad?
In general, bad. However if you are going to buy his stuff, then in general you should follow his setup advice.
However the info posted there was snipped and put together from a variety of pretty reconizeable sources.

I think I found the right information in this link which conflicts with the author. The author states that there should be full vacuum to the distributor at idle.

Rough idle when warm? - Slant Six Forum
That's a big hint isn't it. wink-gif.gif
This is one of those cases where you will only really know what was done by looking at original examples yourself.
:elmer: