Pennzoil Platinum used to be my favorite

[TiGeo]

Used to be a TBN below 10 was “trash” but times have changed unfortunately. Welcome to the 2020s.

If your UOAs at your given OCI on a lower TBN oil still how it above the min typically preached (I believe <2 is usually "bad") who cares? No need for it now with higher quality fuels.

 

[CanAmAndMore]

The best modern engine oils go through extensive validation testing.

The latest version of Mobil 1 looks rather weak on paper but is capable of long drains. PP and PUP are likely still very good in their current forms.

If you look at the current version of M1 just on paper, you wouldn't think it would be capable of this type of performance:

That was an interesting video...thanks for posting it.