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Missouri Mule K30
Just finished changing the oil in the Wifes 07' Yukon. The wife calls me on her way home
and asked if I could change the oil. I said let me see if I have a Wix filter and oil.

Well yep have the filter but not enough 5w30 Valvoline. So I end up putting a quart
of Mobil1 that I use in the Artic Cat. So she asks if I put in any of the Lucas. I said
that I Added Mobil1 because I ran short on Valvoline.

So when we bought the truck Mobil1 was in it. One year old, she says to put in
Valvoline. So I always use Valvoline so no big deal but Mobil1 or synthetic was
in there so I just do what she wants, after all it is her ride. I suppose I will add
some Lucas in a couple weeks.
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Comments

16 comments

Date Votes
  • Mobuck
    Unless the additive (Lucas) is specifically for use with synthetic oil, you're better off w/o it.
    I used to sell "BG" products which (at that time) were not recommended for use with synthetic or blend oils.
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  • Horse Plains Drifter
    Well, to each their own, but I would not have done any of that.
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  • wpageabc
    Sounds like a better mix...
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  • Ricci Wright
    What do all those chemical engineers working for the oil companies know????
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  • Mr. Perfect
    Mixing dino oil with synthetic? Are you trying to get kicked off this forum? Remain clam everyone!!
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  • JimmyJack
    I had a couple cases of oil I wanted to use up so I called Mobile and asked if it was ok to add Mobile 1 to the oil. They replied that was referred to as a blend and there was absolutely nothing wrong with it and the Mobile 1 in cold temps was desirable. I have been running a blend for years.
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  • select-fire
    +1
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  • serf
    JimmyJack wrote:
    I had a couple cases of oil I wanted to use up so I called Mobile and asked if it was ok to add Mobile 1 to the oil. They replied that was referred to as a blend and there was absolutely nothing wrong with it and the Mobile 1 in cold temps was desirable. I have been running a blend for years.

    Just add a quality molybdenum nano oil additive under it's direction into dino oil and you won't have much friction on cold startups on all wear points in your entire engine.

    serf
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  • babun
    Mr. Perfect wrote:
    Mixing dino oil with synthetic? Are you trying to get kicked off this forum? Remain clam everyone!!

    hqdefault.jpg
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  • wpageabc
    Knowing dudes who dont change oil and others that let oil levels run very low. I think you are ahead of the curve with your decision....314534_cf352d7f2748be6c31a3cede0e52db56.jpg
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  • KenK/84Bravo
    OMG. You mixed Synthetic oil with standard oil?

    Are you Crazy?







    You know, you can buy Synthetic Blend, right? ;)





    Just changed oil in the Nissan Versa commuter. Full synthetic, Wix filter.











    Warranty changes, to maintain "Lifetime Warranty," on my Jeep are every 3000K miles, regular oil. (At the dealership.) 4 oil changes plus filter are $90. Not too bad.

    I'd use synthetic, and do it myself, if I could. (And maintain warranty.) Verboten. :x
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  • us55840
    First, I wouldn't put Valvoline oil in any engine and 2nd, I would never mix brands of oil ever.

    That's just me.

    It's your motor, do whatever you want.

    :D
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  • kidthatsirish
    you blended dino and synthetic????? good thing the oil companies never do that! ;):lol::D

    im sure it will likely run just fine. :D
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  • tomh.
    jeez.jpg
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  • CoolhandLuke
    JimmyJack wrote:
    I had a couple cases of oil I wanted to use up so I called Mobile and asked if it was ok to add Mobile 1 to the oil. They replied that was referred to as a blend and there was absolutely nothing wrong with it and the Mobile 1 in cold temps was desirable. I have been running a blend for years.

    + 1
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  • Missouri Mule K30
    When I was changing oil at Mobil in 75' I would ask what brand does the customer usually run. Pennzoil or Quaker State most often. Then I would get "Mobil" of course since they get changed at the station.

    Remember the air bell, would drive me nuts when the bicycle kids came by.

    When changing valve cover gaskets on any make of car that had the valley packed with grease I could not believe the vehicle even ran, I would ask the station owner what causes it and he said between not changing oil and STP. Since the car leaked so much the Guy thought that putting so much oil in the car automatically changed it.

    So at a young age I learned that as long as you change oil regular, 3000 miles you should get good life from a engine. And change gaskets for leaks instead of STP.
    And Valvoline is the best oil. And Bean Oil for 2 stroke motorcycles, Bel-Ray or Castrol.
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