Originally Posted by nsaikia
After I set my base timing at 10 degree BTDC, should the timing mark move any at all when I simply hook up the vacuum without reving the Engine? That's what is happening in my case. I also noticed that the rpm increased when the vacuum got hooked up. However, I did not check for the Centrifugal advance mechanism. I will do that tomorrow and post back.
This is all normal and OK.