Ok...let's don't beat up the new guy (new to this thread not life :).
Kendall GT1 Max 0W20 has been doing well in my 2020 Tundra. I see SDS says >80% Heavy hydrotreated so I assume rest is add pack? I also know they use S. Koreas S-Oil but is it entirely Grp III or a Grp III/IV mix?
Thanks for...