I think I'm back to my original position (I'm worse than a politician!!!), but I'll paypal everyone anyway because this is entertaining and got everybody to think. Especially Mike since he mailed out a distributor and Trendz who is going to test it and put it on youtube.
That confirms the rotor advances with both mech and vac advance. Robert has been clear in saying the rotor does not move forward with anything but vac advance.