Using Synthetic Motor Oil?

Discussion in 'Prius c Technical Discussion' started by Oldwolf, Apr 14, 2012.

  1. Thad

    Thad New Member

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    Well, all you guys have just discovered how little these service advisors actually know...

    I've used M1 for years on other cars and have had excellent luck with it. With the Prius, I use only the Toyota branded oil. I've actually had it analyzed by Blackstone and found it's chemical composition to be completely different than the 0-20 M1. It has considerably more Molybdenum in it than any other oil I can find, including M1 (any viscosity range). "Moly" as it's called, is an additive that adds considerable expense to an oil, but bonds with the metallic surfaces to reduce friction. It's what makes the Toyota oil different (superior?) to M1 and other synthetics. It may be blended to Toyota specifications by Mobil, and may use M1 as the "base" oil, but it's definitely different in composition. This isn't opinion, I've actually done the analysis of both oils (same viscosity, 10K miles each) and the numbers don't lie...they are not the same product.
     
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  2. Oldwolf

    Oldwolf Prius Enthusiast

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    I think that was true for the SM Toyota oil. The Toyota SN tests similarly to the Mobil 1 SN oil. Did you test the SM or SN?
     
  3. runnyeggs

    runnyeggs New Member

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    I am not sure there's anywhere online you can get the Toyota dealer besides the dealershipships.
     
  4. Prodigyplace

    Prodigyplace Senior Member

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    Not sure what you are saying. I have ordered Toyota parts from dealers selling on Amazon and from dealers selling online.
     
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