Funny how these things get attributed to others. I compiled that list and posted it that years ago. At the time I was using the XD3, thats why it was on the top of the list. Some of those oils are no longer available.
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Thank you gentleman, looks like it's valvoline for me
I cant see what differenc the sulphur content makes to lubricating the engine
The Chevron marketing bulletin is posted under tips and tricks.
Like zinc content for my cummins. Oil is not universal. Different formulations for different engines.
Texaco Ursa is one.
Pete