Which 5w30 is staying in grade under recommended oil change interval ?
ZeeOSix said:VOA and UOA of Valvoline Advanced 5W-30. No shearing seen.
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4682481
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4841559
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4841837oo
Good to know. Thanks ZeeOSix