Mr Sanborn was a smart man who was willing to share. I have followed many of his recommendations for exactly that reason. They make sense. He also had the courtesy to explain his rational when someone asked a question.
I have no problem with someone telling me I am wrong about something if they can tell me why. If you can,t then I assume the person either has an agenda or does,not know or he knows that something works but does not know why.
Such is the case with yr. what your timing light has to do with oiling is beyond me. Looks like razzle dazzle to me.
Number 2 rod I believe is fed from number 2 main which is also trying to feed your rockers. Not a coincidence imho.