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DEXOS/DEXOS1 approved motor oil

Discussion in 'North America - Canada' started by carbon black, Apr 10, 2012.

  1. carbon black

    carbon black Member

    I now understand that all new GM vehicles must use Dexos/Dexos1 approved motor oil. I know that Mobil 1 synthetic oil is Dexos approved - my question is Quaker State Ultimate Durability Full Synthetic (5W-30) also Dexos approved in Canada ???
  2. zman4fsu

    zman4fsu New Member

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