6.4L Oil and MS-12633

Discussion in 'Heavy Duty' started by HS-LD, Jan 4, 2017.

  1. Skrap

    Skrap Senior Member

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    I get that Hootbro. I was just inserting my opinion. People are free to use what they want as it is their money and truck. I only find some of these posts "interesting".
     
  2. GsRAM

    GsRAM Senior Member

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    I like valvoline oils. I'll need to check and see if they have any that meets that spec.

    I have a hard time believing that you'd have an engine warranty claim denied just because the oil your using does not meet that spec, so long as it was the correct viscosity (0w-40) but i guess anything is possible
     
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  3. HS-LD

    HS-LD Member

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    Me too. I think if you went in there with a blown engine and said "hey do you think this blew because I used non MS-12633 oil" they would ask you what MS-12633 was!

    About the only way I can see them deny the warranty is if you rolled in there at 59,000 miles with 1 quart of black sludge in the motor and told them you had a warranty engine claim... :crazy:
     
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  4. Hootbro

    Hootbro Senior Member

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    Just got my Blackstone Labs back on my last OCI using MAG 1 full synthetic 5W-30 in place of 0W-40. Just as I suspected, no increase wear or detriment to using it.

    Just offering this as a data point and example. I am not advocating deviating from the OM recommendations.

    [​IMG]
     
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  5. GsRAM

    GsRAM Senior Member

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    Yes, exactly. If your a very different viscosity, i could see it, but not if you use 0w- 40, but what do i know
     
  6. RAM_Designs

    RAM_Designs Senior Member

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    Definitely going to try something else next time around, probably some Castrol 0w-40.
     
  7. GsRAM

    GsRAM Senior Member

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    Thanks hoot, i appreciate that. No you're not suggesting anyone not use the MS spec oil, but your results prove you won't hurt the 6.4 by not using it. I appreciate that because again, i prefer valvoline oil and I'd rather use their 0w-40 wt.

    Legally, if challenged, i don't know that the oem could deny an engine warranty claim for not using their specific spec oil, so long as your running the right viscosity.

    I think the Magnussen -Moss act may have a provision that would forbid them from denying it based on that, but I'd have to review it again. It's been awhile since I've read it.
     
  8. Andrew09HEMI

    Andrew09HEMI Senior Member

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    Not trying to argue or shoot down what your results show, but using a different oil for one OCI isn't going to show any abnormal wear on a relatively new engine. Now, I dont think it'll cause any abnormal wear regardless but the results really don't do anything but piece of mind, doesn't prove or disprove anything. Ive always been an amsoil fan, used them on all my previous Hemi's with great results, quieter idle with less Hemi tick so Ill probably use them again, especially since its a qualified oil under MS-12633.
     
  9. Danno

    Danno Senior Member

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    You have to set a baseline, then monitor any deviations from that baseline.
     
  10. RAM_Designs

    RAM_Designs Senior Member

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    Just put in some Castrol Edge 0w-40 with Fram Ultra small filter. So far so good, already seems quieter than the M1.
     
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