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0W-20 Engine oil Brand Suggestions

Discussion in '2.5 Gen Tundras (2014-2021)' started by 14 Tundra, Jan 14, 2020.

  1. Jan 17, 2020 at 8:49 AM
    #121
    sundance

    sundance New Member

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    Okay. I've been in multiple Tundra forums for years and have never seen many people complaining. Not saying it isn't a problem. Just saying...
     
  2. Jan 17, 2020 at 8:50 AM
    #122
    sundance

    sundance New Member

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    Are you getting dirty plugs?
     
  3. Jan 17, 2020 at 8:54 AM
    #123
    RDRunner

    RDRunner New Member

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    Well I have been seeing it on forums for years so I guess that means nothing. And I have done a lot of google searches and found lots of folks having the same problems with Hondas, other Toyota cars, and lot of other manufacturers.

    As far as dirty plugs, I have no idea because nobody checks plugs anymore since they last 100k.
     
  4. Jan 17, 2020 at 8:55 AM
    #124
    ssls6

    ssls6 Dr. Awesome

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    All 5.7L 3UR-FE are built in Alabama. The engineering was done pre 2006.

    It's actually a pretty old engine by engine standards. People who stick with the manual are not wrong, people who want to run 5w-30 are not wrong (or harming their engines). The best grade for protection does vary with ambient temperature and engine load. Everyone's manual also has the weasel words "you may want a higher viscosity if you are working your truck hard". No one knows what "working hard" even means since they don't say.

    I posted the oil recommendation sheet from the manual of the LC200 just to show that temperature matters. All US owners manuals back in the day were written the same way.
     
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  5. Jan 17, 2020 at 8:57 AM
    #125
    RDRunner

    RDRunner New Member

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  6. Jan 17, 2020 at 9:00 AM
    #126
    RDRunner

    RDRunner New Member

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    I would love to see a post from someone who works in that Alabama plant to confirm the US and European 5.7 have the same specifications. I believe what you wrote is correct and I bet they are the same specification, which means 5w30 is fine. I live in central Texas so it is hot.
     
  7. Jan 17, 2020 at 9:26 AM
    #127
    Eric32444

    Eric32444 "Pick up your balls and load up your cannons..."

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    i believe the Tundra has a variable output pump...my idle pressure did not change going to 5w30...so i believe that means with thicker oil, flow must go down...not sure what effect that has long term...but i am staying the course since this motor was spec'ed 5-30 in past...

    also, most of the long lived engines had heavier oils....the 0w20 engines i dont think have been around long enuff to be proven, but i could be wrong, lol
     
  8. Jan 17, 2020 at 11:01 AM
    #128
    Tiamat

    Tiamat New Member

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    Heck i wish Toyota approves 0-16 for the tundra.
     
  9. Jan 17, 2020 at 11:20 AM
    #129
    BigTree

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    One note on that "Rotor problem" your talking about now, i the fact is that,the MAIN reason for rotor warpage is when you let some
    A-hole (at the Tire store,Walmart,Firestone, your buddy the mechanic,etc.,even the dealers sometimes ) OVER TIGHTEN your lug nuts, and put undue stress on the CAST iron, and distort the shit outta them, with the impact gun, because there too *** or lazy, to get a torque wrench, and look up the spec. ( Oh,by the way its different Spec. too!!:confused:) Do you have STEEL Rims or ALUMINUM, Then a bunch of people who don't know **** , start bitching online about "Rotor Problems". There's an old saying
    "If you want something Done Right, You Gotta Do It Your Self "
     
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  10. Jan 17, 2020 at 11:38 AM
    #130
    sundance

    sundance New Member

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    They don't last 100k with any meaningful amount of oil consumption.

    Yes. Toyota has had issues with some engines and oil consumption. I have never seen any meaningful amounts of complaints concerning the 5.7 engine.
     
  11. Jan 17, 2020 at 11:40 AM
    #131
    sundance

    sundance New Member

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    Or you heat the brakes up and sit on the pedal. It transfers excessive brake material to the rotor and creates a high spot. Most warped rotors are due to the two issues.
     
  12. Jan 17, 2020 at 11:42 AM
    #132
    sundance

    sundance New Member

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    The 0w-20 engines have been around some time and many have multiple 100s of thousands of miles on them. I put close to 100,000 on one myself.

    All the oil testing being done from the multiple sources I've seen, the 0w-20 oils all perform better than any 5w-30 oil out there. They flow easier and yet lubricate better.
     
  13. Jan 17, 2020 at 11:46 AM
    #133
    sundance

    sundance New Member

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    I believe you're wrong about all the 5.7s being built in Alabama. I very seriously doubt that 5.7s are being imported to Japan for use in their vehicles there. Can you prove this?

    You can get 0w-40 oils now and they are among the best tested out there. I've never seen or heard of a 0w-20 5.7 overheating due to thermal viscosity issues.
     
  14. Jan 17, 2020 at 12:00 PM
    #134
    JohnLakeman

    JohnLakeman Burning Internet Daylight

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    I agree.

    I have been told that reduced "break-in" requirements evolved due to improvements in piston ring metallurgy and modern manufacturing tolerances. But, I don't think the tolerances that could be affected by oil viscosity, i.e. main and connecting rod bearing clearances, have changed all that much over the last eighty years or so. Curiosity overcame me, so I looked up the bearing clearances for a mid-sixties SBC, and compared to those of the 1UR-FE/3UR-FE. You decide:

    1966 SBC, 283 cubic inches (4.64L):
    Connecting rod clearance: 0.0007"-0.0027 (production), Max 0.004" (service)
    Main bearing clearance: 0.0003"-0.0029" (production), Max 0.004" (service)
    Recommended motor oil:
    Above 0 degrees: 10W30
    Below 0 degrees: 5W20

    2015 1UR-FE 4.6L (281.2 cubic inches) + 3UR-FE:
    Connecting rod clearance: 0.0010"-0.0020", Max 0.003" (service)
    Main bearing clearance: 0.0007"-0.001", Max 0.002" (service)
    Recommended motor oil: 0W20
     
    Last edited: Jan 17, 2020
  15. Jan 17, 2020 at 12:04 PM
    #135
    BigTree

    BigTree New Member

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    2016 Sequoia Specs. SR-5 Steel Rims, lug nut torque spec. = 154 ft.lbs.
    Limited & Platinum Alum.Rims, lug nut torque spec. = 97 ft.lbs. Almost a 60 ft.lb. Difference !!! Ouch !
    I guess maybe that's why Toyota put all these Specs. in their owners manuals, must make a difference, for people who care to look.
    But I guess it's like, Chris Rock said "Readin is for Rich People" L.M.F.A.O !!!:rofl:
     
  16. Jan 17, 2020 at 12:10 PM
    #136
    sundance

    sundance New Member

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    Old school......

    0W oils perform better than 5w oils. Ow-40 oils are perform the best right now in testing. They are expensive but the idea that 0w oils are causing problems is really silly to me.
     
  17. Jan 17, 2020 at 12:15 PM
    #137
    JohnLakeman

    JohnLakeman Burning Internet Daylight

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    I wasn't really addressing if 0W oil is causing problems. I was agreeing with @RDRunner that Toyota is not machining 5.7L crankshafts and connecting rods differently in other parts of the word just so they can use higher viscosity oil. The manufacturing dimensions and tolerances on UR engines are the same worldwide, and to think any differently is illogical from a manufacturing perspective.
     
  18. Jan 17, 2020 at 12:18 PM
    #138
    BigTree

    BigTree New Member

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    1966 Main bearing clearance = 0.004 ( 4 thousands of an inch )
    2015 Main Bearing clearance = 0.0007 ( 7 Tens, of one thousand of an inch) up to 0.001 ( one thousand of an inch)
    So the Max spec in 2015 is =.001 which is 4 Times SMALLER than the spec in 1966 = .004. In "My World" of machining that's like Night & Day !!! Tremendous difference in tolerances (clearance). If I machined anything more than +.001 or minus -.001 just might as well throw it in the garbage, and start over, let alone .004
     
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  19. Jan 17, 2020 at 12:19 PM
    #139
    sundance

    sundance New Member

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    Assumptions and I can see them being different. Different people involved and Toyota does have a "one man to rule them all" organization.

    I very seriously doubt the Lexus LX 5.7 is completely identical now.
     
  20. Jan 17, 2020 at 12:20 PM
    #140
    sundance

    sundance New Member

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    Don't use math ... that's not fair.
     
  21. Jan 17, 2020 at 12:25 PM
    #141
    JohnLakeman

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    I forgot the max UR service clearances. Added.

    Allowable tolerances for 2015 are definitely tighter, and yet the oil viscosity recommendations are still close imo for max clearances that are half as much as before.
     
  22. Jan 17, 2020 at 12:26 PM
    #142
    BigTree

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    Toyota ,Lexus same 5.7 L same H.P same Torque same tranny, etc. Your paying for the up-scale interior, etc. for Lexus, drive train identical. Just like Ford & Lincoln Mercury, Chevy & GMC, Honda & Acura, etc.
     
  23. Jan 17, 2020 at 12:36 PM
    #143
    sundance

    sundance New Member

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    Nope. Slightly different. 2 more HP and 2 more ft of torque between Lexus 5.7 and the Tundra/Sequoia.
     
  24. Jan 17, 2020 at 12:38 PM
    #144
    BigTree

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    Hahhh !!!:rofl::deadhorse:
     
  25. Jan 17, 2020 at 12:44 PM
    #145
    ssls6

    ssls6 Dr. Awesome

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    All kinds of numbers being thrown out....

    1) My service manual says the specs are 1mil min to 2.5mil max
    2) I'm the only one showing documents so asking me to prove something is silly
    3) Clearances vs oil viscosity is not simple...load, crank diameter, width, temp, flow rate all matter (and I've designed those gaps)
    4) Toyota doesn't list manufacturing any other place than Alabama but maybe they do for the small number of LC200s they sell

    Here is the insert in the service manual for the 3FE

    Screen Shot 2020-01-17 at 2.30.44 PM.jpg
     
  26. Jan 17, 2020 at 12:48 PM
    #146
    omgboost

    omgboost The Accountant

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  27. Jan 17, 2020 at 12:49 PM
    #147
    sundance

    sundance New Member

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    2. Well since you're showing documents, might as well use the one's that provide proof.
    3. Most oil testing is done with little to no "clearance".
    4. Or the LX570 they sell.
     
  28. Jan 17, 2020 at 12:51 PM
    #148
    sundance

    sundance New Member

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  29. Jan 17, 2020 at 12:58 PM
    #149
    JohnLakeman

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    This is what I have from 2015 SRM. What year is your SRM?...maybe there have been changes due to 0W20 viscosity oil:

    Snip 7.jpg
     
  30. Jan 17, 2020 at 1:02 PM
    #150
    ssls6

    ssls6 Dr. Awesome

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    2009, I think they match 1mil to 2.5mil (min-max) for all journals except 1,5. If you posted this picture earlier then I missed it.

    A target of 1.5mils is pretty standard for main journals.
     

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