Hi Gerry,
As usual, all the theories in the world matter not a jot... At the end of the day, all that matters is what your ears tell you, so if you find things sound best that way, then cool!
Besides, there are all sorts of other variables to consider....
On my T/T, with either the 103 or SPU, it sounds best with the c/w (heavy Jelco one) as close as possible to the arm's pivot point.
Marco.