I asked him in one vid how he figured Napa Synthetic was better than the others only based on wear. His answer was “Because that’s the only data we have.” I then asked “What about all the other important things oils have to do?” Answer was “I’m assuming since all the tested oils are Dexos approved they’re equal.” Of course we know some oils surpass minimum standards…..That is true. I'm going to ask him out of curiosity if his experience in NASCAR and oil analysis show a correlation with engine wear. I'm curious why he thinks such small differences in wear are significant.