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  1. #11


    Mobil 1 15w50 extended interval oil in My '04 Suburban. I don't do 5w or 10w oils, as I feel they become piss water in the crankcase. Of course, I live in a hot tropical southern climate, where it's seldom below 70 degrees, and I frequently pull a trailer.
    If I resided in a cooler climate, I'd prolly use 10w30 or 10w40 Mobil 1.

    To keep this on topic, no, I don't use the the oil life monitor, and it's something I can live without. I prefer to pull the dipstick, and actually examine the oil on regular intervals, rather than trust electronics.
    "I Hate When That Happens!"

  2. #12
    Sr. Mechanic crane3447's Avatar
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    Jan 2008
    Calgary ,Ablerta
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    I use Mobil 1 myself. But I still use the oil life monitor still. I have found that it has changed its self to allow for the longer oil change times. Seems bang on to me.

    "I'm not mean... your just a sissy"

    '04 silverado 1500 2wd 5.3 (47,000K) - baby
    '97 serria 4x4 2500 454 (121,000K) - beast
    '07 saturn vue V6 (17,000K) - wife's
    '93 ck3500 4x4 6.5 desiel (300+ adding every day)
    - best of all. I don't pay for it!!!

    '04 colarado Z71 3.5 (should have been yellow. complete lemon!)
    '91 serria 2500 2wd 454 (sold at 320,000) - tank

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