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How do I know if I have synthetic oil?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by trdracing5, Aug 28, 2010.

  1. Aug 28, 2010 at 5:52 AM
    #1
    trdracing5

    trdracing5 [OP] Well-Known Member

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    I am trying to find out if there is a way to determine if I have synthetic oil in my truck or regular old dino oil. I need to change the oil and will continue to use synthetic if that is what is in the vehicle already (I believe that once you go with synthetic you shouldn't switch back to regular oil).
     
  2. Aug 28, 2010 at 6:08 AM
    #2
    shawnd2

    shawnd2 Well-Known Member

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    The whole once you change you can't go back is a myth. Put in what you want (dyno or synthetic) and just make sure to change it regularly.

    Shawn
     
  3. Aug 28, 2010 at 6:32 AM
    #3
    buddywh1

    buddywh1 Well-Known Member

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    but synthetic gives you thousands of miles of latitude for whatever your 'regular' oil change is, if you're anything like most guys on TW! :p
     
  4. Aug 28, 2010 at 7:57 AM
    #4
    Janster

    Janster Old & Forgetful

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    It doesn't matter.
     
  5. Aug 28, 2010 at 8:08 AM
    #5
    GSRON

    GSRON Well-Known Member

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    There are Federal rules and regulations stating that you MUST be able to mix diff brands of oils w/o damage to your engine.....

    Yes there are diff additive packages in diff oils and yes I'd change it out at first chance if I mixed oil brands but the short answer is mixing = NO DAMAGE....

    As far as warrenty? If a mfg requires a "certain" oil to keep you warr. They must provide that oil to you at no charge for as long as you are under warr. This is why you see "recomendations" but no "requirements"...
     
  6. Aug 28, 2010 at 8:26 AM
    #6
    fletch aka

    fletch aka www.BeLikeBrit.org

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    ^^^^^^

    What they said :taco:
     
  7. Aug 28, 2010 at 11:23 AM
    #7
    Tojo

    Tojo Well-Known Member

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    if it was me, i'd just drain it and go with synthetic.
     
  8. Aug 28, 2010 at 11:56 AM
    #8
    brutalguyracing

    brutalguyracing BIG DADDY

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  9. Aug 28, 2010 at 12:06 PM
    #9
    OffroadToy

    OffroadToy This ain't Dodge City, and you ain't Bill Hickok

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    My last Toyota had 350,000 miles and was still running strong when I sold it useing nothing but dino every 3,000 miles.
     
  10. Aug 28, 2010 at 1:55 PM
    #10
    808TRDTaco10

    808TRDTaco10 Black Sand Mirror

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    Asked the dealer which kind of oil they put into at the factory and the guy said that they put in semi synthetic oil and he recommended either the semi-synthetic or full synthetic for future oil changes.
     
  11. Aug 28, 2010 at 2:36 PM
    #11
    rb11701

    rb11701 Oh yeah!

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    I'd taste it first and see. Nutty flavor is synth for sure.
     
  12. Aug 28, 2010 at 2:56 PM
    #12
    bagster

    bagster Well-Known Member

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    And dino oil tastes like real old chicken.
     
  13. Aug 28, 2010 at 5:21 PM
    #13
    buddywh1

    buddywh1 Well-Known Member

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    That's a good point: petroleum oil provides excellent protection, shouldn't think otherwise.

    Going synthetic only makes sense if you extend change intervals. If you're staying with 3k, then use petroleum and save the money.
     
  14. Aug 28, 2010 at 9:33 PM
    #14
    TACOMA TRD

    TACOMA TRD Well-Known Member

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    I use Dino...always have, always will. Like fresh stuff running through my engine. Change every three k. However, I did use synthetic in my differentials and transfer case.
     
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