Nomad Willy
Guru
Yup. Here’s an oil discussion from a gear head who has done a lot of testing of oils and other stuff. It’s long but worth the read imho.
https://540ratblog.wordpress.com/2013/06/20/motor-oil-wear-test-ranking/
This is amazing,
Yes it’s mostly about testing but some very interesting stuff comes up. I didn’t get to the end of the link.
Larry wasn’t kidding .. “it’s long”.
A great place to browse when you have the time.
I bookmarked it.