who is using mobil1 0w40?
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This is a discussion on who is using mobil1 0w40? within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; i;ve only got 1 question that needs answering, and i couldn't find it in all the oil threads evar - ...

  1. #1
    Registered User yo vanilla's Avatar
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    who is using mobil1 0w40?

    i;ve only got 1 question that needs answering, and i couldn't find it in all the oil threads evar - does the engine noticably become more reluctant to rev? i haven't used a 40 weight oil for years, but i remember it being thick enough to make the engine feel sluggish. now 0w40 is supposed to be some new tricky stuff so let me know!
    07 WRX TR | 03 mazda6
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  3. #2
    He simply abides. SD_GR's Avatar
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    I don't use the 0W-40 but I do use the 5W-40 and have felt no difference honestly. They are not the same oil but I suspect the 5W-40 is thicker than the 0W-40 when new (you might check the M1 site for stats). I recall in my 5W-40 thread where I discsuss my analysis data that several people mentioned using the 0W-40, you might look them up directly. In any case my answer is "no" for the 5W-40.
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    Moderator MidKnight's Avatar
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    No. I was using M1 0w40 and just switched to amsoil 5w40 and neither made the engine feel sluggish compared to the 10w30 i was using.
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  5. #4
    Registered User yo vanilla's Avatar
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    allright, i'll try it. thanks
    07 WRX TR | 03 mazda6
    man a whole mess of nachos sounds good right now
    ***Hawk-Eye Alliance #95*** Kachow!!

  6. #5
    Registered User perfusionista's Avatar
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    I have been using M1 0-W40 since 3,000 miles (now at 64,000). I have never noticed any sluggishness, in fact the engine revs plenty!

  7. #6
    Registered User yo vanilla's Avatar
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    well, for the record i tried the 0w40 yesterday (also noticed they've got 0w30 now, might be old news ). much improved cold startup(my wife gets the garage so i see some cold cold mornings); the car warms up quicker and feels great once its at operating temp. no sluggishness; thinking back the last time i've used a 40 weight oil (10w40) it was a dino oil in my firechicken, and that was definitely thicker and more resistant than a 10w30.

    so, form this guy
    07 WRX TR | 03 mazda6
    man a whole mess of nachos sounds good right now
    ***Hawk-Eye Alliance #95*** Kachow!!

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