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once you go synthetic can you ever go back

Discussion in '2nd Gen. Tacomas (2005-2015)' started by luk8272, May 15, 2008.

  1. May 15, 2008 at 3:22 PM
    #1
    luk8272

    luk8272 [OP] Poodoo

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    I have heard talk over the years that once you change to synthetic you have to stay with it. I don't see why. I can understand that if you have an older vehicle your seals will be worn so you can't switch to synthetic with high mileage or an old vehicle. If you start new with syn. then can you switch back in later years. Just wanting to pic yalls brains.
     
  2. May 15, 2008 at 3:37 PM
    #2
    yosh2000

    yosh2000 Well-Known Member

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    yes, check out mobil1 site for info.
     
  3. May 15, 2008 at 3:59 PM
    #3
    BLOCKADE

    BLOCKADE Well-Known Member

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    When synthetic first came out it was formulated in such a way that if you used it, you had to keep using it. If I remember correctly, its chemical composition would effect the seals in such a way that if you put it in and then took it out the seals would crack and dry up. But they have gotten better at making synthetic in the last five years or so.
     
  4. May 15, 2008 at 6:15 PM
    #4
    WilsonTheDog

    WilsonTheDog Kylie's dad

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    I've never seen any proof that that is the case. If there's a scientific test that some how proves this, I'd be surprised. But, you can go to bobistheoilguy.com and peruse their forums. Tons of info there.
     
  5. May 16, 2008 at 5:12 AM
    #5
    luk8272

    luk8272 [OP] Poodoo

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    Thanks guys I hang around with alot of much older guys ang hot rodders and they aren't nearly as right as they think they are. I never really thought much of it but wanted to see what some of yall thought. Thanks
     
  6. May 16, 2008 at 7:46 AM
    #6
    Janster

    Janster Old & Forgetful

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    But why would you go back to regular oil?
     
  7. May 16, 2008 at 8:27 AM
    #7
    luk8272

    luk8272 [OP] Poodoo

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    I wouldn't. I was just curious and sitting around at work with nothing to do.
     
  8. May 16, 2008 at 11:04 AM
    #8
    yosh2000

    yosh2000 Well-Known Member

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    also, how do they make those semi-synthetic oils....i think that right there definitely answers your question...!
     
  9. May 16, 2008 at 5:28 PM
    #9
    wawireguy

    wawireguy Well-Known Member

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    You can mix synth and normal oil.. They are interchangeable and mixable.
     
  10. May 16, 2008 at 9:05 PM
    #10
    RememberMorrison

    RememberMorrison Yeah, I'm that Guy

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    Thats the rumors. I wouldn't recommend going back from syn to regular dino oil.
     
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