HoosierDaddy
Well-Known Member
The additives. Marketing wise the difference is that Ultra is for "Extreme Performance".What's the difference between the Ultra Platinum and Platinum besides the Ultra costing a little more.
It may be just labeling running behind or its additive related but the Ultra jugs I have do not show an SN+ rating (better for reducing LSPI). So, Ultra might not be as good as regular for turbo engines in some situations.
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