Durablend engine oil
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This is a discussion on Durablend engine oil within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; So I had my engine oil switched by the shop I always use and the past 5 times I had ...

  1. #1
    Registered User SubaruWRC's Avatar
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    Durablend engine oil

    So I had my engine oil switched by the shop I always use and the past 5 times I had been there they put in full synthetic.

    For some reason these morons decided to put durablend in and stupid me I didn't check until I was going through my records today.

    I drove 1600 miles with this do you think I could've damaged my engine with this oil?

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    He simply abides. SD_GR's Avatar
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    Do the specifications for the oil used match those dictated by the manufacturer's owner manual? Check the specs.
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  4. #3
    Registered User SubaruWRC's Avatar
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    Re: Durablend engine oil

    It was 5w 30 I know that is within spec. Or are there other specs that I need to know? Also if I know my car is never gonna be under 20 degrees F does this mean I should go to 10w-40?

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    He simply abides. SD_GR's Avatar
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    In the manual, the specs are listed and there is a temperature vs. viscosity chart.
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  6. #5
    Registered User SubaruWRC's Avatar
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    Re: Durablend engine oil

    Okay so the the durablend should be fine because its the right viscosity. I couldn't find API specs on the durablend however

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    He simply abides. SD_GR's Avatar
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    Are you under warranty? If not I'd not worry. Keep the level correct and live life.
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  8. #7
    Registered User SubaruWRC's Avatar
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    Re: Durablend engine oil

    I'm not under warranty I was just wondering if there could have been a major problem with this oil.

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    Durablend engine oil

    If the specs match the oil is correct. If they don't it's not. The best way to determine whether the oil is OK is a post mortem tear down plus used oil analysis. Since your motor is OK only the latter is even remotely practical though I'd not bother, nor would I worry. Keep the level correct and if it gets to you psychologically just shorten the drain interval. Life is short.
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  10. #9
    Moderator Donkey's Avatar
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    Quote Originally Posted by SubaruWRC View Post
    I'm not under warranty I was just wondering if there could have been a major problem with this oil.
    Like what problem?
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    Your engine will probably blow up next week

  12. #11
    Registered User Ingo's Avatar
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    Probably, but probably NOT because of oil... If it's not a full synthetic just make the next change at 2/3 interval.
    You can't have everything - where would you put it?

  13. #12
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    Quote Originally Posted by Ingo View Post
    Probably, but probably NOT because of oil... If it's not a full synthetic just make the next change at 2/3 interval.
    Probably from the oodles of spark knock your car has endured.


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