Thanks for your insights. I assumed it was group iii because of where it says “oil mist, mineral.” It also says “Distillates (petroleum), solvent-dewaxed heavy paraffinic” under “Pennsylvania right to know.”
Good information on the CAS numbers, I was not familiar with those.
Shell’s MSDS site isn’t very clear. It often lists two or more SDS’s for the same variety of oil. Quaker State Euro 5W-40 is no exception. There’s two SDS’s, one which shows GTL and one that shows regular group iii. I can’t figure out how to determine which one is correct. Or maybe they use both...
My question is mainly about engine oil theory, not necessarily if a particular oil will work in a specific application.
As I understand it, the main differences between diesel engine oil and gas engine oil are:
- Base stock is more robust in diesel oil
- A higher quantity of additives in...