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10w 30 v 5w; any difference?

Discussion in '1st Gen. Tacomas (1995-2004)' started by beedoola, Jun 22, 2012.

  1. Jun 22, 2012 at 11:19 AM
    #1
    beedoola

    beedoola [OP] Well-Known Member

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    Owner's manual calls for 5w 30 which I've used to change my oil - using synthetic. My boss bought some Mobil one 10w synthetic on sale and offered it to me. Is it alright to use the 10? I have 141k on my taco: 01' prerunner, ; cycl. 2.7
     
  2. Jun 22, 2012 at 11:32 AM
    #2
    GP3

    GP3 Well-Known Member

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    Go for it.

     
  3. Jun 22, 2012 at 11:34 AM
    #3
    jsmarine

    jsmarine Well-Known Member

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    Yep, go for it. You will be just fine.
     
  4. Jun 22, 2012 at 3:01 PM
    #4
    ailll1

    ailll1 Well-Known Member

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    The 10w30 is just thicker oil at low temp compared to 5w30. I dont how cold it gets in San Francisco but 10w30 oil shouldnt be a problem
     
  5. Jun 22, 2012 at 3:34 PM
    #5
    Speed Freek

    Speed Freek Turbo lover!

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    No noticeable difference whatsoever.

    I use ONLY Rotella synthetic T6 5-40 in mine, best oil out there, go to Bob the oil guys website and look it up!
     
  6. Jun 22, 2012 at 3:54 PM
    #6
    J Gibson

    J Gibson Well-Known Member

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    I concur. Especially in the summer the thicker oil will be OK.
     
  7. Jun 22, 2012 at 3:57 PM
    #7
    jandrews

    jandrews Carolina Alliance Southwest Region Ambassador

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  8. Jun 22, 2012 at 3:59 PM
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    scocar

    scocar Scouting the perimeter for weakness

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    The 01 owner's manual shows both, depending on anticipated temprature range, but with a ton of overlap. Dont' have it in front of me, but bascically, you'd only have to use 5 if you had regularly freezing, and only have to use 10 if you were regularly over 100 or desert.
     
  9. Apr 21, 2013 at 10:30 AM
    #9
    strangeland

    strangeland Member

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    I Never run 10-w30 conventional because the oil industry uses this grade in particular to get rid of its low grade bases( I, II ) . Other conventional grades are usually (II & III's) but since your running synthetic it should be Almost all grade(IV)bases.
     
  10. Apr 21, 2013 at 3:07 PM
    #10
    ARB1977

    ARB1977 Don't be a dick

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    Have you done uoa's to prove its the best? Even if you compair the same engines I can almost be certain all will have different wear numbers.
     
  11. Apr 22, 2013 at 12:59 PM
    #11
    woodygg

    woodygg Well-Known Member

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    unless it makes a mpg difference that is worth it or you're keeping your engine 500K miles it's a waste of money. I've known people that used conventional, average cheap motor oil and tore their engines down after $200K miles and it looked great. I'm not advocating conventional oil, just making a point.
     
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