Is a OCC really needed if you use no oil?

Discussion in 'Mazdaspeed 3 General Discussion' started by Rgurleyjr, Jun 15, 2019.

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  1. Rgurleyjr

    Rgurleyjr Greenie Member

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    So I did my first oil change a few months ago after driving 4,000 miles. I've read all the stories of high oil consumption and every speed needing a catch can.

    At 4k, my dipstick showed full...like practically no oil loss. I bought a OCC and everything needed but kept putting it off. Honestly, I don't want to go thru the hassle of installing it unless I need it.

    Would like some people with good knowledge of this. It's gospel to tell everyone they need a OCC. If a car uses no oil, is a OCC still needed?
     
    Rgurleyjr, via a mobile device, Jun 15, 2019
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  2. Mauro_Penguin

    Mauro_Penguin Punk in Drublic. #BlackLivesMatter Motorhead Platinum Member

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    Yes.
     
    Mauro_Penguin, via a mobile device, Jun 15, 2019
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  3. macdiesel

    macdiesel Platinum Member

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    I have two occ’s and my burns zero oil.


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    macdiesel, via a mobile device, Jun 15, 2019
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  4. Rgurleyjr

    Rgurleyjr Greenie Member

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    Just did some research on non speed sites and they all recommend DI turbo engines have them regardless. I figured that with no oil burning, there was a chance I could get by without one. This is my first DI engine so I'm still learning. Probably won't own another one. Thanks.
     
    Rgurleyjr, via a mobile device, Jun 15, 2019
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  5. Raider

    Raider Administraider Administrator Platinum Member

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    Yes
     
    Raider, via a mobile device, Jun 16, 2019
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  6. aaronc7

    aaronc7 Silver Member

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    Need it?? No
     
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  7. StreetSpeed6

    StreetSpeed6 Welder Gold Member

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    The way I understand it is that it is more of a longevity mod to help keep your motor healthy and happy, but not “technically” a necessity. Crank case venting seems to be just as big an issue imo as catch cans. I just fixed my screwed up motor tho that had a broken ring so won’t have nearly the problem with that as before most likely.
     
    StreetSpeed6, via an iPhone, Jun 16, 2019
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  8. DubC

    DubC Silver Member

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    Just FYI, it’s not only DI motors that benefit from a catch can. Ours definitely benefits from having one but so would nearly any car. Some more than others. Just don’t want you to be jaded against an engine technology due to a supposed required mod when it’s not the only one that could use said mod.


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    DubC, via a mobile device, Jun 16, 2019
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  9. macdiesel

    macdiesel Platinum Member

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    I followed the Damond OCC install instructions and it was pretty easy to install. I also have small hands so that could have also made it easier to install as well.


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    macdiesel, via a mobile device, Jun 18, 2019
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  10. _Mazdarati

    _Mazdarati Resident Asshole Gold Member

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    You don't NEED it. Is it recommended to keep your engine healthy and regular? Yes.

    Any kind of venting on these is a plus.
     
    _Mazdarati, via a mobile device, Jun 18, 2019
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