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Mr1964cj5

Discussion in 'Early CJ-5 and CJ-6 Tech' started by Mr1964cj5, Aug 12, 2018.

  1. Aug 12, 2018
    Mr1964cj5

    Mr1964cj5 New Member

    Youngsville
    Joined:
    Aug 11, 2018
    Messages:
    22
    Can anyone tell me what we should put in an f134 hurricane for motor oil?
     
  2. Aug 12, 2018
    Keys5a

    Keys5a Sponsor Sponsor

    Joined:
    Jan 23, 2014
    Messages:
    1,708
    Your Jeep would have been happy with straight 30 weight if the engine is good condition. Today, that oil is hard to find. Likely, a 10W-30 or 15W-40 non-synthetic would be fine. If the engine has heavy wear/ low oil pressure, a thicker oil may be needed.
    -Donny
     
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  3. Aug 12, 2018
    Daryl

    Daryl Sponsor Sponsor

    Bonney Lake, WA
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    May 25, 2006
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    I have been running 10-40 in these motors my whole life.
     
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  4. Aug 12, 2018
    timgr

    timgr Jeepin' Nerd Sponsor

    Medford Mass USA
    Joined:
    Aug 10, 2003
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    19,152
    I would run a 20W50 diesel oil like Rotella or Delo. This is what I put in my Jeeps year-round, but I don't drive them in the winter. In Louisiana, 20W50 should be fine year-round.
     
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  5. Aug 12, 2018
    Mr1964cj5

    Mr1964cj5 New Member

    Youngsville
    Joined:
    Aug 11, 2018
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    Thanks for the input. I was running 10w30 in it but seemed to get black awful quick so thought I should ask about it
     
  6. Aug 12, 2018
    timgr

    timgr Jeepin' Nerd Sponsor

    Medford Mass USA
    Joined:
    Aug 10, 2003
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    19,152
    Black is typically carbon that the oil is washing down from the cylinders. Not the oil's fault. I'd suspect you're running with the choke stuck closed or some other reason for too rich condition. Drive around town for a few minutes and pull the spark plugs and inspect their condition. I'd expect sooty plugs.
     
  7. Aug 12, 2018
    Mr1964cj5

    Mr1964cj5 New Member

    Youngsville
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    Aug 11, 2018
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    Thanks
     

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