Amsoil SS uses group V. As to what particular group V no one knows. The OE, Hybrid/High Mileage products are budget friendly products for mainstream. Those are likely just purchased additive packages.Indeed; there are other very good lubes with excellent add-packs for cleaning.
Pablo, which of the Amsoil products have both esters and ANs, versus only esters? I must confess my ignorance in that I simply don't understand their line-up very well.
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