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What oil is best? and what ratio?

Discussion in 'Chainsaws' started by DexterDay, Dec 28, 2015.

  1. huskihl

    huskihl Sausage Fingers Forever

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    500-600 psi of compression causing blow-by past the rings.
     
  2. RI Chevy

    RI Chevy StihlMar Runner

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    Soot
     
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  3. jakethesnake

    jakethesnake I Am The Snake

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    Smoke man
     
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  4. Cat 525

    Cat 525 Super OPE Member

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    Diesels always turn it black! Even in a brand new motor doesn't take long!
     
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  5. Dustin4185

    Dustin4185 Pinnacle OPE Member

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    We have a JD4455 with 20,000 on it and the second overhaul kit put in this past winter. It was ran on crap CoOp oil for most of its life until I got here. Same deal, 3-4 quarts in a 10-12 hour day disking with a 18’ Athens offset. Switched to Rotella T4 and went to maybe a quart a week before the rebuild. Only reason for the rebuild was had a liner seal go bad and didn’t trust the job (we did the last one). Now it doesn’t burn a quart in a month. We also have a 1964 3020 that quit using oil as well. We buy it by the drum now! We run it in two dozers, motor grader, six tractors, and two diesel mowers.
     
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  6. Dub11

    Dub11 Some body poisoned the watering hole!

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    I'm so putting this T4 in my Honda now.
     
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  7. mdavlee

    mdavlee Hillbilly grinder

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    The 5420 m buddy owns will use a couple quarts of rotella in a week in the hay field. One of my Cummins was using 2 quarts of rotella every 5k miles. Others did fine on it.
     
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  8. huskihl

    huskihl Sausage Fingers Forever

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    I think it's a matter of Rotella cleaning built up carbon in the rings, allows the oil rings to work vs it cleaning out the gum around seals which allows it to leak. I've seen that happen too.

    My Allison started to drip out of the front seal. Added a bottle of stop-leak and it slowed down. Added another and it quit :applaudit:.

    Been scared to change the fluid since then. That was 7 or 8 years ago lol. I actually bought the inner and outer filter and fluid, just haven't got around to changing it yet
     
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  9. mdavlee

    mdavlee Hillbilly grinder

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    It’s been run on rotella as long as I remember. It was new in 2001 and may have had a couple changes with Deere oil
     
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  10. Dustin4185

    Dustin4185 Pinnacle OPE Member

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    We are getting a new JD 5115M as soon as it is shipped from Germany. Probably run JD torque gaurd until the warranty is up. We will see what it does on these new fandangled emissioned tractors.
     
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  11. Dustin4185

    Dustin4185 Pinnacle OPE Member

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    We ran Toyota oil (Mobil Dino) in my wife’s 4runmer for 180,000. Mobil 1 full synthetic was on sale so I switched. Started seeping from the rear main. Back to Dino oil and it stopped. Made it to 200,000 and we traded for the ‘16 4Runner we have now. It came with full synthetic 0w-20.
     
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  12. RI Chevy

    RI Chevy StihlMar Runner

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    I would think that had more to do with the synthetic qualities of the oil vs. the brand.
     
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  13. Marshy

    Marshy WFO Cutting

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    Carbon and soot from blow-by.
     
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  14. Marshy

    Marshy WFO Cutting

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    Very nice. They significantly extend the life of an engine. Just haven't seen many of them. Thanks.
     
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  15. RI Chevy

    RI Chevy StihlMar Runner

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    There is also an oil centrifuge model made by PPE. The centrifuge spins real fast and flings the junk in the oil to the outside and reintroduces the clean oil by into motor.
    My oil still gets dark in color, but when you feel it, there is no grit in the oil. Looks like dark honey or maple syrup. Nice way to protect your investment.
     
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  16. Marshy

    Marshy WFO Cutting

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    One disadvantage to synthetics is seal compatibility. Some seals may shrink or swell with synthetics causing leakage. They also have some incompatibility with surface coatings like paint and plastics. The modern vehicles are less prone to this because manufacturers awareness and switching seal materials.
     
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  17. czar800

    czar800 Living a dream!

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    We use all Rotella on our farm. Got four main tractors plus the combine and only one tractor uses a little bit of oil in between oil changes.

    The Tractor that burns a little bit of oil has the German diesel in it. The other three are international DT motors and a 8.3 Cummins on the combine.

    Dads Truck has a Catapillar in it my pick up has a Cummins and My brother has a Duramax.
     
  18. bwalker

    bwalker Pinnacle OPE Member

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    Delvac 1 should be better as it costs alot more. In 15w40 oils I really like Chevron Delo. Although I have seen too many good results with Rottella to write it off.
     
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  19. bwalker

    bwalker Pinnacle OPE Member

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    I have never seen Mobil One lead to deposits inside a motor.
     
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  20. RI Chevy

    RI Chevy StihlMar Runner

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    According to Blackstone Labs, regular Mobil 1 Delvac 15W40 gets very high ratings.
     
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