Originally Posted By: volk06
Yep. the bottle surely looks XOM to me. Maybe it is the same add pack bought from the same company like Lubrizol or Infineum and blended, just a different company basestock? Perhaps there is no connection at all but never know.
Mobil-1 is factory fill for GM high performance engines. It would seem plausible that Mobil conventional is also factory fill, and that Mobil now makes Dexos compliant oil.
The only question is if this is regular Mobil 5000 or Super Syn.