Witch oil ??

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by johnnyboyloco2500, Jul 10, 2019.

  1. johnnyboyloco2500

    johnnyboyloco2500 Light Load Member

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    Dec 7, 2015
    Lebanon,Oregon
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    Got cummis isx 2250 2012 in my pete.
    Been running delco full synthetic
    5w30.
    Have 731574 miles
    Oil presure drop from 38-40
    To 30-35. 1000 miles from oil change
    Any suggestions
     
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  3. Goodysnap

    Goodysnap Road Train Member

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    Your still well within acceptable pressure range. Is this Idle or cruising pressure? Maybe filter starting to get plugged from soot is not at all uncommon especially with aftermarket filters. Changing the oil might come back up. Get pressure gauges hooked up and measure drop across the filter if your unsure.

    What oil are you running? Delco or Dello?
     
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  4. Confused

    Confused Light Load Member

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    Sep 22, 2009
    somewhere else
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    Is " Witch oil " , some sort of concoction brewed up in a cauldron ?
     
  5. lwlevens

    lwlevens Medium Load Member

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    Maybe it's a new oil on the market.
     
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  6. Rubber duck kw

    Rubber duck kw Road Train Member

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    Sounds like a new variation of snake oil.
     
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  7. EnzoEST80s

    EnzoEST80s Bobtail Member

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    May 31, 2019
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    motorkote has some new oil out too js lol
     
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  8. Humblepie

    Humblepie Pontificator

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    I’d go with canola or corn. The farmers need our help!! Willie Nelson said so.
     
  9. lwlevens

    lwlevens Medium Load Member

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    Used fry oil is good also smell like a big french fry going down the road.
     
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