Originally Posted by Gary
Good point, Dan. I was working on it this past weekend and had a brain lock with the advance/retard setting (clockwise = advance?) so I just stopped and came in and worked on the site. I won't get back to it until the weekend so we have time to debate this.
Tomorrow's another day. 
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Getting back to the advance/retard issue and my brain lock.
I modified a cam gear by drilling out new dowel pin holes to RallyBob's specs. The first pic shows the cam gear in a rough position for TDC on no. 1 cylinder. The second (mark is ~ 1/2 tooth to the left) was taken after I rotated the gear to the first new dowel hole. The third (mark ~ 1/2 tooth to the right of original) was taken after I rotated it to the second new dowel hole) The last pic shows what it looks like when the timing is one tooth off.
My initial thinking is that the third pic with the mark to the right would advance the cam timing. Then I started over analyzing it and finally looked over at my GT and thoughts of Penelope Cruz popped in and the day was history.
I'm also attempting to make a simple tool that can be used to check valve timing when #1 is firing.