Synthetic 5w50 Schaefer oil

Small Block Mopar Engine

  1. Dartish

    Dartish Well-Known Member

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    Anyone ever tried this stuff? I can get a decent deal on a case through work but never ran a 5w50 before. Currently running Mobil1 15w50 in my truck. Mild 360 doing a lot of towing and off roading. Like the 50weight after the engine temp gets up there, but thinking that 5w50 might be a good oil when she weather cools off. Looking at their website, it's a full synthetic, with high zinc level for flat tappet cams. Anyone have any thoughts or used Schaefer oil?
     
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    • MOPAROFFICIAL

      MOPAROFFICIAL FABO Gold Member FABO Gold Member

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      I've used their oil for over 20 years.
      Seen first-hand lab testing of bearing wear microns per blah blah. Its good stuff.
       
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      • Killer6

        Killer6 Well-Known Member

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        Mobile1 used to come in 5W50, and I ran it in My ShelbyZ year 'round, now it's 15W50.........but the car never see's the road in the winter months now...I'd use it........
         
      • TrailBeast

        TrailBeast AKA Mopars4us on Youtube

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        Where you live I think I would use a decent normal oil of about 10/30 -10/40 range if it were my truck and an LA motor.
        5.9 I use full synthetic 5/30 because those motors are made for synthetic and it isn't all about pressures.
        A truck with generally low speeds and higher temps can benefit from a fast running oil that helps carry off heat and the synthetics do that.
         
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        • nm9stheham

          nm9stheham Well-Known Member

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          Interesting on the Schaefer oil; thanks for the info. (I hope it is better than their beer LOL)

          I cannot see the actual zinc levels from their data sheets; have you found that info, OP? I can just find a general statement on 'extra zinc anti-wear additives....'.
           
        • Dartish

          Dartish Well-Known Member

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          We've got a Schaefer rep that comes into work. I've got her checking on the specific zddp levels. I'll let you know as soon as I hear from her. She just sells the stuff. You know the game, hire a beautiful woman to go around selling your oil and grease products.
           
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          • fishy68

            fishy68 Tyr Fryr's Inc.

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            I go to church with a Schaefer sales rep and he showed me some pretty convincing info on how well it works and tried to come up with a number for the ZDDP level a couple yrs ago but couldn't. Seems to be a secret. Dartish let us know what your rep finds out
             
          • Dartish

            Dartish Well-Known Member

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            Hoping to hear back from her Monday or Tuesday. I'll post whatever she comes back with
             
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            • famous bob

              famous bob mopar misfit

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              if she`s beautiful, post a pic of her ! Back to the oil. When we ran the hemi for 14 yrs., we used who ever would furnish oil for us, didn`t seem to make a tinkers dam what brand, always ran 40 or 50 weight, course the hemi`s were set up loose back then.
               
            • seabee

              seabee FABO Gold Member FABO Gold Member

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              I'm not an oil expert but wouldn't 45 points of viscosity index improvers (VI) lead to a shorter service life?
               
            • nm9stheham

              nm9stheham Well-Known Member

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              Yes, for straight petroleum oils; they tend to cause rings to gun, etc.

              Buuuuut... Synthetics naturally have a wide temp range over which the viscosity is quite stable. They need little (maybe no) VI's to achieve those wide viscosity ranges; it is just in their nature.
               
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              • Dartish

                Dartish Well-Known Member

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                Schaefer rep said the 5w50 has 2200ppm zddp per quart
                 
              • Dartish

                Dartish Well-Known Member

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                A case of 12qts ended up costing $79. Didn't think that was too bad if it's as good as they claim it is. Sounds like it has a pretty good additive package
                 
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                • fishy68

                  fishy68 Tyr Fryr's Inc.

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                  On their website it has a place to submit a question and I asked about the zddp package and this was their response

                  08/21/17
                  A: [Great question! Zinc 1600-2000 ppm phosphorus 1300-1900 ppm]
                   
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                  • QKFSH67

                    QKFSH67 Well-Known Member

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                    It's great oil. Ran it on the derby track for years. Extreme heat,no water, it would never break down and lose its consistency after a long hard run on the track. Some cheap oils would look like cooked grease that you fried in the frying pan.
                     
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                    • BoogieMan67

                      BoogieMan67 FABO Gold Member FABO Gold Member

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                      I run it in my 67 dart 225 6 10w30
                       
                    • yellow rose

                      yellow rose Overnight Sensation

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                      Don't forget...too much zinc is a power killer. High zinc oils are ok if you're not looking for power. Zinc is a power eater. IMHO, anything over ~1600 is overkill.

                      The big thing is to get you oil tested often enough to see how fast you use the additive package. When it's gone, it's time to change the oil. Mileage is a variable. Some engines use more additive quicker. An example would be a SFT with rockers that are not roller in the shafts. You have a bunch of area where the zinc gets used up.

                      A roller crammed engine, with rollers on the rocker shaft need less zinc and use it slower.
                       
                    • Dartish

                      Dartish Well-Known Member

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                      Mild, hydraulic flat tappet 360 in a truck that sees ALOT of mud and snow. Sustained load and rpm while toying around get it warm now and then. More interested in longevity then every last horsepower. I've liked the 50 weight and this stuff sounds like a decent oil and flows quicker then the dino oil when it gets cold in the mornings
                       
                    • yellow rose

                      yellow rose Overnight Sensation

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                      Then you are a good candidate for a very high zinc oil. Test a sample new and then test again every 5000 miles or so and see how fast you are using the additive package. Then you'll have your drain interval.
                       
                    • Dartish

                      Dartish Well-Known Member

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                      They said I can send in several samples for free since I just switched all our loaders and equipment over to Schaefer. I doubt I'd ever see 5000 miles on it anyway. I'm one of those guys usually changing it every 2000 or so, just because I like to beat the snot out of it on a regular basis. All my hunting and fishing spots are pretty hard to get to, and there's always someone around that needs their Z71 or Super Duty pulled out of somewhere by my rusty old dodge
                       
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