0W-40 oil, is it time?

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Bay Stater, Dec 3, 2018.

  1. Mendel Leisk

    Mendel Leisk Underfoot

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    Just for info: the 2015 model year has revised pistons and rings (2014 model year has revised pistons only). There is also a service bulletin (attached) for excessive oil consumption, and the fix is to replace pistons/rings with the revised versions.

    TSB ...168 is oil consumption test, and ,,,169 is the replacement procedure.
     

    Attached Files:

  2. bisco

    bisco cookie crumbler

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    new feature a year or two back. times out after so many hours. no one knows why. you can report your post and ask a mod to change it.
     
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  3. Mendel Leisk

    Mendel Leisk Underfoot

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    Keeps the mod's gainfully employed. I think they work for free though?
     
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  4. bisco

    bisco cookie crumbler

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    how do we know?
     
  5. Raytheeagle

    Raytheeagle Senior Member

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    Aren’t you going to find out soon:p?
     
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  6. bisco

    bisco cookie crumbler

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    i haven't received so much as a free beer.:whistle:
     
  7. Raytheeagle

    Raytheeagle Senior Member

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    Take 85 through Charlotte for your trip down south and plead your case:p.

    He seems to be coming around more these days(y).
     
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  8. sam spade 2

    sam spade 2 Senior Member

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    Maybe we could discuss things without throwing around personal insults ??
    If not, additional comments will be ignored.
     
  9. mjoo

    mjoo Senior Member

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    Mobil1 0W-40 is a little different than Toyota's. It has a lower pour point, higher flash point but is 50% thicker at 100*C. It should do great in high mileage vehicles and hot climates.

    upload_2018-12-5_11-6-57.png


    Mobil1 0W-40 MSDS
    TGMO 0W-20 MSDS
     
  10. CR94

    CR94 Senior Member

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    That was true 60 years ago. Not now.
     
  11. sam spade 2

    sam spade 2 Senior Member

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    Wear is wear.

    The basics of an internal combustion engine has not changed in 60 years.
    Neither have the laws of physics.

    Explain please.
     
  12. Bay Stater

    Bay Stater Senior Member

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    Decided to continue what has worked for me. Just changed the oil with Mobil 1 0W-20 AFE. May consider changing it more often, like every 5K miles. ;)

    Thanks again for everyone's input.
     
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  13. edthefox5

    edthefox5 Senior Member

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    I run 40 weight on the my g2 and the engine loves it. No mpg hit really.
     
  14. edthefox5

    edthefox5 Senior Member

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    What?
     
  15. edthefox5

    edthefox5 Senior Member

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    I have been using a high performance oil with a ZDDP package for about 6 years now. No issues at all with the Cat. And it really helps with engine wear. It significantly reduces the solid lifter noise in the engine.
     
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  16. jzchen

    jzchen Senior Member

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    Thank you for sharing your location in your profile. You are also located in one of the warmer parts of the country. I want to assume that is not straight 40 weight oil, that you are using multi-weight of some sort, 0W-40 or 5W-40 maybe? Would you still advise what you are using in colder locations in the northern parts of the country? Thanks for sharing what has worked for you, (sort of. You did not specify what oil nor additive).
     
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  17. edthefox5

    edthefox5 Senior Member

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    Hi-
    Living in Florida I do forget the colder climates which may be a concern in the really cold areas of our country. 20 weight is a better bet if your in frigid areas.

    I use 5-30 Redline Motor oil its the only oil product I have ever used where you can hear and feel a difference in the engine especially quieting down the solid lifter Atkinson motor. It touts a 30 weight oil that's actually a 40 weight viscosity at operating temperature and has a ZDDP package also. 100% esther base stock. Its a really strange feeling oil between your finger tips its feels like liquid plastic.

    I used to own Corvettes so was in Corvette forum's and everyone ran this stuff. Then I was into Nissans and the Fresh Alloy forum and everyone ran there trans fluid and motor oil especially the turbo 240SX which is a rocket on wheels. Its highly regarded in Bimmer forums and WRX forums.

    Its an awesome motor oil. You should try it. Been running it for many years in all my cars. I also run Redline D6 trans oil for 11 years now and 130000 miles. Many posters on this site use it too. Excellent.

    They make great products. It blows away Mobil 1 no comparison. Google redline oil.

    Red Line Synthetic Oil. 5W30 Motor Oil

    Amazon.com: Customer reviews: Red Line 5W30 Synthetic Oil - 1 Quart, Pack of 12

    The Amazon reviews reflect my observations too.

    I buy from JEGS they have FREE SHIPPING!
     
    #37 edthefox5, Dec 21, 2018
    Last edited: Dec 21, 2018
  18. Kevin_Denver

    Kevin_Denver Active Member

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    Agree, if your engine burns almost no oil, shouldn't be a problem. If your engine does burn some oil, ZDDP will foul the cat more quickly. In fact, this is the main reason why modern oil has less ZDDP than in the past. Reference:
    ZDDP: When, Where, What, Why, How? - Engine Builder Magazine
     
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  19. Grit

    Grit Senior Member

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    Redline 0w-20 is currently in my crankcase. It's at 9,000 miles, getting darker but not as dark as mobil 1 0w-20 AFE @ 5,000 miles which was 2 oil changes ago. 95% hwy miles, maybe able to get away with 12,000 mile OCI w/current mobil 15,000 mi filter but might not wait that long.
     
  20. The Electric Me

    The Electric Me Go Speed Go!

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    If and until it does, I would just remain staying the course.
    Why make any change if you have no symptoms of a problem?
     
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