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International Automotive Technicians Network
Re: Engine oil, whats the difference?
Posted to Castrol Forum on 1/6/2019

I’ve asked my oil reps to get me the spec sheets on the different oils before. It’s like reading a foreign language lol. I think I would need some training that chemical engineers get to make sense of what each spec is. So to know which is better I can’t help ... Login to read more.