Any one interested in the oiling mods I did?

Duane said

Agreed, your last paragraph: there are specifics involved within the system. None of those specifics are in Gregcons drawing. The system he drew would have no issues, but that not what the discussion was about. It was about the problems of the stock system in a performance situation. Gregcon is assuming that those specifics in the sbm would have no effect on the oil distribution in his drawing. I disagree.

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I don't think so.
@gregcon is only questioning the one claim that oil 'shoots past' #4 or #2 main - it does not and could not.
I don't think he disagrees that there are other issues or reasons that the pressure at a particular main bearing may drop and he obviously stated that there are shortcomings in the oiling system which could be attributed to uneven oil distribution.

One other question he asked, which I thought was pertinent, was why enlarging the feed to the main would do any good since there's only so much oil available at the primary galley and the primary is already undersized. That increasing the ability to outflow really isn't going to help much since the supply side is already restricted. I think he made a good point with that, and since enlarging the primary feed is tough, double-feeding the primary would be the next best thing. I don't think he's wrong based on all the info that's been discussed and shared. Would it be the best way? I dunno, I haven't done oil system development on small block chryslers. But it's definitely A way to do it.