Check out the normalcy article for macro data on the D60 ...

Looks like your sample is below averages; very good performance! Easy to extend those OCIs if that's indicative of the lube abilities.


Edited by dnewton3 (02/18/14 05:01 AM)
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Conventionals vs. Synthetics isn't about which is "better"; it's about which lasts longer, while assuring safe operation, in relation to cost. Any product can be over or under utilized. The same applies to filters.
Make an informed decision; first consider your operating conditions, next determine your maintenance plan, and then pick your lube and filter. Don't do it the other way around ...