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Mobil1 vs. Penzoil Platinum vs. Goo

Discussion in '2nd Gen. Tacomas' started by Tacologist, Sep 9, 2011.

  1. Sep 9, 2011 at 5:34 AM
    #1
    Tacologist

    Tacologist [OP] Well-Known Member

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    A few months ago I posted the pix below and asked what the herd thought it could be. I got a lot of responses from a gasket leak to normal condensation from short trips to a bad flux capacitor (not that because I replaced the flux cap just a week before).

    I remembered seeing this condition before so I went with goo build up from short trips.

    I use Mobil 1 5W-30 oil with a filter change at each oil change usual at about 6-7 K miles.

    I went to Penzoil Platinum with NO changes in driving patterns and although no pix is included, the filler stayed clean as the day it was new.

    Mobil 1 is good stuff but it does often show high iron when an oil analysis is done and it appears not to handle short trips as well as Penzoil.

    Old Pix

    [​IMG]
     
  2. Sep 9, 2011 at 5:43 AM
    #2
    98tacoma27

    98tacoma27 :POOPCORN: Staff Member

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    Did you run an oil report through Blackstone (or some other lab)? I'd be interested in seeing the results.
     
  3. Sep 9, 2011 at 5:48 AM
    #3
    Razorecko

    Razorecko Well-Known Member

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    mobil 1 sucks. Alot of people still praise it though its not a real true syn imho. I run Pennzoil Ultra in my 09 cts-v and that is most likely the best APPROVED oil on the market outside the amsoil products
     
  4. Sep 9, 2011 at 9:42 AM
    #4
    tim455

    tim455 Active Member

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    I had the same problem. A friend told me it was because I took off the stupid plastic cover on top of the engine! I put it back on and cleaned all the crap out of cap and filler neck and it hasn't been back. That cover holds heat in and prevents that condensation. Has nothing to do with the oil.
     
  5. Sep 9, 2011 at 10:19 AM
    #5
    Chris(NJ)

    Chris(NJ) Well-Known Member

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    interesting. Well, I use Mobil1 and never took the cover off. Never had a problem. But, glad to hear that the change in oil mfg worked for the op!
     
  6. Sep 9, 2011 at 10:26 AM
    #6
    KBToyota

    KBToyota Well-Known Member

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    Mobil 1 is an old oil... PP is newer with a different additive package. I noticed PP was a lot quieter in my 4.7 Tundra as well.
     
  7. Sep 9, 2011 at 11:27 AM
    #7
    98tacoma27

    98tacoma27 :POOPCORN: Staff Member

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    My sisters jeep does (05 3.7 IIRC) the same thing and she runs dyno.
     
  8. Sep 9, 2011 at 11:33 AM
    #8
    Tylerm5000

    Tylerm5000 Well-Known Member

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    It isn't the oil. That is from either a cracked head, or a leaking head gasket. I had the same problem due to switching from the old style antifreeze to the new style. It mixed because there was some left over in the heater core.

    Pull your spark plugs and look inside the tubes and look at the spark plugs themselves.

    Mobil one wont do this to your engine. Even though it is not a group 5 or whatever, it is still a good oil.
     
  9. Sep 9, 2011 at 11:40 AM
    #9
    98tacoma27

    98tacoma27 :POOPCORN: Staff Member

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    I'm sorry but this is wrong. Mobil 1 does it, dyno does it too. It's because of two things; extended plastic fill tubes and no breathers.

    Moisture cannot escape these engines.
     
  10. Sep 9, 2011 at 11:47 AM
    #10
    whippersnapper02

    whippersnapper02 Well-Known Member

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    40k on my 2010 and I have been using Mobil One for the past 5 or so oil changes. I do not have the engine cover either. I never get this stuff on the bottom of my 710 cap or in the neck itself. I drive 62 miles round trip for work 4 days a week.
     
  11. Sep 9, 2011 at 11:47 AM
    #11
    Tacologist

    Tacologist [OP] Well-Known Member

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    Didn't go through Blackstone on this one.

    Didn't take the plastic cover off. I feel it has a lot to do with the oil.

    I think it was Casterol that started calling itself synthetic oil when in fact it is hydrocracked oil which is a super highly refined dino that exhibits synthetic properties. Mobil sued and lost in court. From that point on, there seemed to be a change in Mobil's formula that a lot of people questioned but got no answers to. They MAY have gone to hydrocracking as a cost saving and profitable measure now that hydrocracked oil could be peddled as synthetic.
     
  12. Sep 9, 2011 at 11:48 AM
    #12
    tacomaman06

    tacomaman06 Carolina Alliance: Lead, follow, or get the hell o Staff Member

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  13. Sep 9, 2011 at 3:51 PM
    #13
    fixer5000

    fixer5000 the logical one

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    as a former jeep nut i can tell you that this is caused by short trips and not fully heating the motor up. do you do mostly short trips? i doubt its a gasket blown or anything else. just wipe the crud out and keep an eye on it
     
  14. Sep 9, 2011 at 5:22 PM
    #14
    WV150

    WV150 Well-Known Member

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    I see you have a 2005 model.Have you ever changed the PCV valve? If the engine will not ventilate it will do this.Is the temp getting up to normal operating temp?If not then change thermostat.
     
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