just a dumb question: if you have the right tools and can see, what difference does it make to know which way to turn it? You turn on the timing light and you twist the dizzy to get it where you want, mark the degree where you want it to be with either white out or white nail polish and then get the metal pointer to point there.
This isn't something that you can feel, you need to see it, and really can't be done without a timing light. When it takes less than a mm of movement to change between 10 and 14 degrees, do you really want to guess? If i touch it a little and it goes the wrong way, its easy to just twist back the other way. So again I don't really understand these posts unless the poster doesn't have the right equipment to do it and is going to try by feel and really screw things up.