Stormin Mormon wrote:

My fav is Castrol, but other folks have had good experience
with other oils. I think anyone using other than castrol is
an impolite person who lacks graces.

Castrol is an oil products marketer.

Union 76 (conocophilips) pumps it out of the ground, ships it, refines it,
and puts it into quart-sized containers.

I buy Union 76 oil. It's cheaper than the "fancy" brands, too.

Jon