Which tolerance is steeper than VW 502/505 or VW 504/507? Dedicated to all VAG producers.

Which tolerance is steeper than VW 502/505 or VW 504/507? Dedicated to all VAG producers.
In preparation for the TOP 5w-30 volkswagen specification 504/507, which will be released immediately after this video, I came across a very interesting moment. To what extent, curtailed for the sake of environmentalists, the current modern additive packages are better or worse than the good old fat ash additive packages.
In Russian speaking, which tolerance is steeper than full ash 502/505 or low ash 504/507? And what is so interesting, is there in the tolerance 504/507 which is not in the 502/505 or vice versa?
Eugene's blog on Drive2:
The oil saga. Chapter 4. VW 502 vs VW 504
www.drive2.ru/b/1610869/
You can read more about the RNT test methodology and other tests in Chapter 2 "Tolerances"
www.drive2.ru/b/1103110/
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