What grade of engine oil is API SP?
1 Answers
API SP is the highest grade of engine oil. The introduction and precautions for API SP are as follows: Introduction to API SP: API SP represents the engine oil quality grade. SG, SJ, SL, SM, and the subsequent SP are all grades for gasoline engine oils. SP is the highest grade for gasoline engine oils. The higher the grade of the engine oil, the better its various technical indicators, which can significantly extend the engine's service life, prolong oil change intervals and maintenance cycles, and reduce car maintenance costs. Precautions: Different lubricating oils should not be mixed, as the additives in the oils may undergo chemical reactions, damaging the lubricating oil. With the continuous improvement of additives and their formulations, some universal oils have been developed and produced, such as those suitable for both gasoline and diesel engines.