"Agree with all of what you are saying, just don't see any benefit to installing the distributor with the engine at TDC."
I may have not be clear. I did not suggest that the distributor be installed with the engine at TDC.
What I said (or meant to) was the center mark most likely represents TDC if the points are gapped correctly.
Setting the engine to TDC is not the same thing and was certainly not intended.
(As I said, clear explanations can be a bitch.)
