K ka9mnx Joined May 21, 2018 Messages 3,818 Location South Carolina Jul 29, 2021 #1 ACEA 2021: The Additional TBN Test Requirement for Fresh Oils The ACEA 2021 Light Duty Engine Oil Sequences introduces an additional TBN test for all categories, affecting all oil marketers. 360.lubrizol.com
ACEA 2021: The Additional TBN Test Requirement for Fresh Oils The ACEA 2021 Light Duty Engine Oil Sequences introduces an additional TBN test for all categories, affecting all oil marketers. 360.lubrizol.com
K kschachn Joined Dec 26, 2005 Messages 27,821 Location Upper Midwest Jul 29, 2021 #2 Thanks for that. European regulators do place a high value on extended drain intervals.