How clean does.....

Valvoline Durablend run in an engine compaired to other quality oils like Mobil 1? I was wondering because when you look at most of Valvoline's oils they are very clear and it kind of makes me think it is a very clean oil. I know that it's clearness probibly means nothing but I grew up thinking that because it was clearer than other oils it was better! [Roll Eyes] [Big Grin]
Synthetics almost always perform better than non-synthetics or synthetic-dino blends. The clarity of the unused oil has no bearing on how clean it keeps your engine. In fact, used synthetic oil may look dirtier than used dino oil, since it does a better job of holding contaminants in suspension.