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Reply to "Mobil 1 & Amsoil ILSAC GF-5/API SN"

Hey Buster, been a long time . Just a quick post then off i go but >>>>

Looks like Mobil is using a different dispersant/ detergent pack , similar to what Maxima has been using in their <10w-40 Extra> for years now. Lower starting TBN that hangs in longer and all that goes with it, less the viscosity of course.

Perhaps starting vi @100c will trend lower as well as phos amounts are lowered.

Sulphonates out-Salicylates in ?
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