Originally Posted By: dan765
What does it mean if an oil is SAE 10 or SAE 5? How does that differ from, say, 5w-30 or 10w-30
SAE J300 is lacking a lot of stuff. There is no sae 5 or sae 10. Therefore it is incorrect labeling.
These single grades should correctly show sae5W or sae10W and they...