I was looking up redline oil and a 25 page Brochure came up that was dated December 2021. I looked at the high performance motor oil data and they were different from data provided on web page. At a glance all noack numbers were notably lower at 4. Will try and attach the link.
https://www.redlineoil.com/Content/files/RLO_CATALOG_2021.pdf
https://www.redlineoil.com/Content/files/RLO_CATALOG_2021.pdf