I came across the PDS for Mobil Special motor oils on the Mobil web site.
http://www.mobil.com/USA-English/Lubes/PDS/GLXXENINDMOMobil_Special.aspx
This seems to be a lower quality oil (4000 mile warranty vs. 5000 for Mobil Super). For those of us in the northeast, I suspect that the SN rated Supertech is probably equivalent to this.
http://www.mobil.com/USA-English/Lubes/PDS/GLXXENINDMOMobil_Special.aspx
This seems to be a lower quality oil (4000 mile warranty vs. 5000 for Mobil Super). For those of us in the northeast, I suspect that the SN rated Supertech is probably equivalent to this.