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#25: 04-23-2008, 08:20 PM
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Title: HighIntensityDenial
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Originally Posted by fishbone View Post
........Why 40 instead of 30? Because it seems that per my last UOA the Mobil 1 5W30 still allowed some higher than average wear [had higher readings of iron, amongst others]
I think your fundamental problem is not that a 5W30 is inadequate, but that you have fuel and antifreeze in the oil. Solve the fuel and antifreeze contamination problem, and your wear will go down.