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Thread: Kirkland Signature Motor Oil

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    Member Ogata's Avatar
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    Default Kirkland Signature Motor Oil

    Has anyone tried this stuff in their 3's yet? They were crazy on sale and if you don't like the Walmart Supertech Brand, this one seems like the budget friendly brand to go to save you on oil changes....then again noticed Walmart started selling Supertech at $14 a jug


    https://www.costco.ca/kirkland-signa...100572070.html - 0w 20

    https://www.costco.ca/kirkland-signa...100572037.html - 5w 20

    https://www.costco.ca/kirkland-signa...100572103.html - 5w 30

    Made by Warren Distributors

    Review and comparison with Walmart Supertech

    https://youtu.be/l9il_piyuT8
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    Jr Member G ~ MINI's Avatar
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    Default Re: Kirkland Signature Motor Oil

    Quote Originally Posted by Ogata View Post
    Has anyone tried this stuff in their 3's yet? They were crazy on sale and if you don't like the Walmart Supertech Brand, this one seems like the budget friendly brand to go to save you on oil changes....then again noticed Walmart started selling Supertech at $14 a jug


    https://www.costco.ca/kirkland-signa...100572070.html - 0w 20

    https://www.costco.ca/kirkland-signa...100572037.html - 5w 20

    https://www.costco.ca/kirkland-signa...100572103.html - 5w 30

    Made by Warren Distributors

    Review and comparison with Walmart Supertech

    https://youtu.be/l9il_piyuT8
    From what i can see Warren Labs or Warren Oil https://www.warrenoil.com/us/ makes it.
    They make Amazon oil , kirkland and Supertech and many others plus their own brand of synthetics " lubrigold " .
    Now the question is : Are all these brands (ow20 or 5w30) the same formulation within brands.
    Do they contain the same amount of additives (moly) in OEM Mazda 0w20 /5w30 formulations.

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    Default Re: Kirkland Signature Motor Oil

    i dont know much about what our mazda engines need but as far as i have learned and researched and etc from Bobistheoilguy, and speaking to oil test facilities. Oil brand does NOT matter tbh, like they do so many oil tests and there isn''t evidence that a spefic brand or additive is better. they dont even find differences between conventional oil wear metals and synthetic wear metals. as long as the oil is API certified (most brands are) they are all good enough! if you are running conventional then of course oci are about 5000 km if you are running synthetic then u can go longer. of course the more expensive and better quality synthetic like amsoil ss will have longer oci's but most people dont even run there oil for that long.

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    Member Ogata's Avatar
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    Default Re: Kirkland Signature Motor Oil

    Quote Originally Posted by G ~ MINI View Post
    From what i can see Warren Labs or Warren Oil https://www.warrenoil.com/us/ makes it.
    They make Amazon oil , kirkland and Supertech and many others plus their own brand of synthetics " lubrigold " .
    Now the question is : Are all these brands (ow20 or 5w30) the same formulation within brands.
    Do they contain the same amount of additives (moly) in OEM Mazda 0w20 /5w30 formulations.
    Bought a case for my 08 and 12 going to get Jimmy's input on this...been using Amsoil but found it too expensive at $12 / quart switching to Costco Castrol Synthetic for $30

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    Default Re: Kirkland Signature Motor Oil

    Ok guys so for us Gen 1's we should be ok but if you have a 2.5L you will be a tad short

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