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Motor Oil Analysis

Discussion in 'Technical Chat' started by Timicha, Apr 17, 2009.

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What kind of oil do you use?

  1. Synthetic Oil

    409 vote(s)
    73.2%
  2. Partially Synthetic

    26 vote(s)
    4.7%
  3. Conventional Oil (non Synthetic)

    124 vote(s)
    22.2%
  1. Apr 22, 2009 at 11:50 AM
    #21
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    FlimFlubberJAM
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    I noticed a longer oil life, a little more mpg.
     
  2. Apr 26, 2009 at 6:15 AM
    #22
    duckcmdr

    duckcmdr If it flies it dies!!

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    mobil one 5-30
     
  3. Apr 26, 2009 at 6:41 AM
    #23
    Plain Jane Taco

    Plain Jane Taco Well-Known Member

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    I've always been a Castrol GTX dino juice man. Never an issue with it in 20 years of use. Kinda old school too with 3k mile intervals....hey, it's cheap and easy...why not?

    GTX is readily available @ my local store in 5w-20...probably just stick with that. I might think about a blend...maybe. Trucks only got 400 miles on it, so I've got time to debate.
     
  4. Apr 26, 2009 at 4:08 PM
    #24
    taco084gb

    taco084gb No matter where you go there you are.

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    Have a question. Does it matter if you stay with the same weight but switch from semi synthetic to a non synthetic oil or to a fully synthetic oil? Is there any harm in this if so what? I have had mixed answers from stores on this from no it will not harm, or you should stay with one kind only and not mix. What is your guys opinion on this.
    Thanx
    Oh using conventional oil now Castrol 5W30 but was using Semi synthetic Castrol but is now called High Mileage Castrol and not semi synthetic.
     
  5. Apr 26, 2009 at 4:13 PM
    #25
    Tacoma02TRD

    Tacoma02TRD Well-Known Member

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    Same thing here as well
     
  6. Apr 26, 2009 at 4:24 PM
    #26
    gjbonner

    gjbonner Well-Known Member

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    Looks to me like Mobil 1 5/30 is winning this vote...I'll be switching next oil change.
     
  7. Apr 27, 2009 at 1:18 AM
    #27
    Timicha

    Timicha [OP] Timicha

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    I've heard a lot of things about switching from a conventional oil to a synthetic. some people say it doesn't matter and then others have told me that switching to synthetic will ruin gaskets and what not. so I'll have to look into this some more and let you know

     
  8. Apr 27, 2009 at 7:55 AM
    #28
    hillbillynwv

    hillbillynwv Well-Known Member

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    Mobil 1 5W30 Extended Performance w/Mobil 1 Extended Performance oil Filter......cost about $48 and I change it myself.
     
  9. Apr 29, 2009 at 3:45 AM
    #29
    dud122

    dud122 rabble rabble rabble

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    I use valvoline max life synthetic blend because i don't know what kind of oil the previous owner used and she's got about 90k on her.
     
  10. Apr 29, 2009 at 12:40 PM
    #30
    Krp2nite

    Krp2nite Well-Known Member

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    Amsoil 0-20 in my 2.7 tacoma
    Amsoil 0-30 in my 4.0 4-runner

    EAO57 filters in both
     
  11. Apr 29, 2009 at 1:27 PM
    #31
    BSPDX

    BSPDX Well-Known Member

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    I'm using Redline right now... I used it in my S2000, but I'm going to switch over to Amsoil or Mobil 1 soon... Real soon!
     
  12. Apr 29, 2009 at 4:49 PM
    #32
    MassTaco

    MassTaco Well-Known Member

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    You can switch synthetic -> conventional or conventional -> synthetic as much as you want. Heck, you can even mix the two together if you feel so inclined. The truth is that it makes absolutely no difference. The detergents and anti-wear additive packages will be virtually identical between quality conventional and synthetic oil. The biggest difference is in the base-stocks, group III, IV, or V (synthetic) base-stocks will be more stable over a broader range of operating temperatures with a higher resistance to oxidation and thermal breakdown.
     
  13. Jun 9, 2009 at 6:42 AM
    #33
    steve r

    steve r Well-Known Member

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    Mobil 1 syn
     
  14. Jun 9, 2009 at 7:11 AM
    #34
    TacoTycoon

    TacoTycoon Well-Known Member

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    I have been using PP, it has been getting really good UOAs on BITOG.
     
  15. Jun 11, 2009 at 5:01 PM
    #35
    dropthattaco

    dropthattaco \\//\\// ][ IL IL

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    Do you send your oil to a lab or something?
     
  16. Jun 12, 2009 at 4:18 AM
    #36
    Janster

    Janster Old & Forgetful

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    Mobile 1 5w-30 in all my vehicles.

    I don't do oil samples, I just change it at recommended intervals. A couple of my vehicles don't even reach 3K in a year - so I change the oil yearly.
     
  17. Jun 12, 2009 at 4:26 AM
    #37
    Janster

    Janster Old & Forgetful

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    That's probably on an individual basis.

    I bought my 96 tacoma when it had 60K miles on it and I owned it till it had 110k miles(sold it). I put synthetics in at 60K. The only problems I developed was the oil pan started sweating and I lost about 1/2 quart of oil every 4,000 miles.

    On my Jeep Wrangler - I bought it with 80K miles on it and it currently only has 87K miles (over a period of 6 years). I put synthetics in immediately after I bought it. The only problems I've noticed with it, is the lifters tap at startup and they eventually quiet down when the engine is warm. Common problem with Jeeps & using synthetics.

    Synthetics penetrate & cleanse the engine better than conventional oils. I think the benefits of better penetration/lubrication far out-weigh the fact that you may consume oil or develope small leaks. Every situation is different and it depends on the overall history of the vehicle itself. I highly doubt any oils will ruin anything that wasn't already abused to begin with.
     
  18. Jun 12, 2009 at 3:35 PM
    #38
    bobwilson1977

    bobwilson1977 Well-Known Member

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    I've used nothing but plain 10W-30 in mine. 220,000 miles later, it still runs like new. I did a compression test recently and it is still at factory specs. I usually get whatever's on sale. My analysis is that if you change your oil every 3,000 miles, it doesn't hardly matter what you use. It'll last just as long. My brother has over 260,000 on his Avalon, which has a much more sophisticated engine than mine. Wal-Mart regular oil all the way with Wal-Mart oil filters.
     
  19. Jun 14, 2009 at 10:51 AM
    #39
    MiikeyD

    MiikeyD The Green Machine

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    AMSoil 5w-30 at 189,000 miles.. My truck loves the yummy synthetic oil.
     
  20. Jun 15, 2009 at 12:11 AM
    #40
    xDEADBIRDx

    xDEADBIRDx Active Member

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    not to change the subject, but what about oil filters? been using toyota filters ever since. what about like a k&n oil filter or something? anybody notice any difference?
     
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