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0w-30

Discussion in '1st Gen. Tacomas (1995-2004)' started by TacoBlitz, Jun 5, 2011.

  1. Jun 5, 2011 at 8:35 PM
    #1
    TacoBlitz

    TacoBlitz [OP] Well-Known Member

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    I changed my oil yesterday and decided to use 0w-30.

    Just thought that I get on here and find out what people think.. do you think that it is a good idea or a bad one?

    Thanks​
     
  2. Jun 5, 2011 at 8:54 PM
    #2
    Scott K

    Scott K Well-Known Member

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    Amsoil Synthetic ASL 5w30 Oil, Amsoil ATL Fuel Efficient ATF, Amsoil Severe Gear 75w90 in front/rear diffs & transfer case.
    Assuming you're using a synthetic 0w30, I think that is a GREAT idea. "They" say 60-90% of an engines wear occurs at start up and a synthetic 0w30 will flow noticeably better than 5w30 on cold starts to get things lubricated more quickly. Also, this isn't always the case, but at least with the 0w30 oil I know of and use (Amsoil Synthetic Signature Series 0w30 which is arguably one of the best oils for extended drain intervals in the world) their 0w30 at operating temperature (where it is a 30 weight oil just like a 5w30 is as well) is slightly thinner than their 5w30 oil (but still a 30 weight oil and well within the operating range of a 30 weight oil). This translates into slightly better fuel economy and better oil flow which will help move heat away from critical areas.

    The only problem with a 0w30 is even with synthetics they tend to be a little more volatile than 5w30 and 10w30 oils often times in similar lines (at least with Amsoil) so if your truck is burning any oil, the 0w30 will burn off a tad easier (probably not enough to worry about though).

    I've run extended drain intervals with Amsoil's 0w30 SSO (which is discontinued, they've now revamped their entire line up where they have 4 signature series oils - the 0w30, 0w20, 5w30 and 10w30) on my '07 Tacoma and company van (Chevy Express) and after oil analysis on both they performed extremely well.
     
  3. Jun 5, 2011 at 9:03 PM
    #3
    TacoBlitz

    TacoBlitz [OP] Well-Known Member

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    wow thanks for all the info,

    Yeah sorry I forgot to mention that it was mobil one 0w-30
     
  4. Jun 5, 2011 at 9:08 PM
    #4
    TacoBlitz

    TacoBlitz [OP] Well-Known Member

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    I have heard some of it before, that is why I decided to try it. just hoping to hear some more testimonials, thank you
     
  5. Jun 5, 2011 at 9:31 PM
    #5
    shampoop

    shampoop Well-Known Member

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    +1

    I did mobil 1 0w30 last time only because it could be found locally and I needed to do an oil change quickly. I'll be using amsoil products from now on. Have never heard anything bad about their products and recently saw a very in depth test about gear oils and amsoil dominated everything else in many categories and still had a reasonable price.
     
  6. Jun 5, 2011 at 9:40 PM
    #6
    bowhunter11199

    bowhunter11199 Well-Known Member

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    wow good stuff^^^^^. i normally use 10-30w but it gets below -10 here. so it time for 0-30w. thanks guys
     
  7. Jan 19, 2014 at 12:42 PM
    #7
    Wolverine57

    Wolverine57 Well-Known Member

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    I would like to use 0w30 Synthetic because it gets below -40 here in the winter but the dealer says I need 5w30 or it'll void the warranty. In fact they say I should use conventional dino oil for the first 24,000 km then can use synthetic oil.
     
  8. Jan 19, 2014 at 4:36 PM
    #8
    ARB1977

    ARB1977 Don't be a dick

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    It's all the same at operating temps. Cold flow is different were it counts. Castrol 0w30 at operating temps is one of the thickest 30w's you'll find.
     
  9. Jan 19, 2014 at 6:06 PM
    #9
    Norton

    Norton Well-Known Member

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    IMHO, your dealer doesn't know what he's talking about. Unfortunately, he will likely be your interface with Toyota if/when you need repair (i.e., warranty) service. In my experience, a good quality synthetic is better than dino oil, especially at lower temps.

    ARB1977 and others are correct... It's all the same at operating temps. 0W-30 should have better cold flow properties, which is when/where it really matters.
     
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