Specially on cold days. You take 10w-30 of synthetic and conventional. Leave it out in the garage over a cold night and the synthetic still seems to flow better the next day.
So my question relates to how the oil reacts inside the engine. If the engine is cold, will there be better pressure with conventional oil than synthetic? Or do I have this all mixed uP?Why does synthetic oil flow better than conventional oil? (Same viscosity rating)?
Because a synthetic oil is chemically produced, there are no contaminants in the oil.
By contrast, conventional oils contain small amounts of sulfur, wax, and asphaltic material that can promote detonation as well as varnish and sludge buildup.
With no wax, synthetics will flow at much lower temperatures than conventional oils.
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