Yeah, i get UOAs done on every change on the gt500, will be doing it on the Z. If I was thinking, I would have set some aside, instead trying to filter everything and potentially altering a proper UOA.
Its only an extra $25 an oil change. I consider it a requirement for any serious car. One of those things that so many skimp on(fuel, tune, cooling) and that boggles me.
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