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Mobil 1 & Amsoil ILSAC GF-5/API SN

Within the past two weeks, we've been able to see the new SN oils from Mobil and Amsoil. Very different additive packages.

Mobil 1

Moly 77
Boron 92
Calcium 1015
Mg 746
P 675
zinc 812
Tbn 9.3

Amsoil SS

Moly 130
Boron 232
Calcium 3251
Mg 12
P 652
Zinc 763
Tbn 12.6

Mobil 1 is using Mg, which I thought was going away for good in PCM's. Amsoil now looks like Mobil 1 from 2005.
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