I understand that. Though unless we are to fully rely on the two notches of the cover to sprocket, I would like to set the lobes in the camshaft right before it begins the intake to piston 1, so then I can mark the sprocket to cover. So when I reassembly it all, I know the exact placement it should be turned to, which rotates the lobes, which set the rocker arms to start the intake of piston 1. I am being too vague, or not getting something rather simple? I keep reading about the notches, though my dad feel more confident in the timing process if we make the marks ourselves, because we can visual see the lobes of the camshaft now, if that make any sense.