Quote:
Originally Posted by Ahersh
What is a VOA???
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Virgin (unused) Oil Analysis. With a VOA, you can see the additive levels before the oil is used. Bitog has a VOA forum, but I didn't see any recent Amsoil 5W30 uoa's posted.
Here's one on Motul 300V 5W30 that shows high Silicon and has comments from Blackstone that support what bulwnkl says in this example.
-Dennis