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Carb setting MC2100

Discussion in 'Intermediate CJ-5/6/7/8' started by IrishCJ6, Dec 19, 2013.

  1. Dec 19, 2013
    IrishCJ6

    IrishCJ6 Member

    Wicklow Ireland
    Joined:
    Dec 6, 2010
    Messages:
    437
    Guys,

    Just did a tune of the carb now I have my vac gauge, the only thing is I had to do it without the aircleaner on as it's too large and impossible to get at the screws with it on. Will it make much of a difference? What hg reading should I see at idle on a standard AMC360 with MC2100?
     
  2. Dec 19, 2013
    nwedgar

    nwedgar Now with TBI!

    Newnan, Georgia
    Joined:
    Oct 26, 2005
    Messages:
    1,785
    I believe the standard is in the 18-20 in. hg. range, but with any sort of aggressive cam expect in the mid-teen's. I pulled vacuum readings from the back of the carb to measure manifold. I got the steadiest readings there.
     
  3. Dec 19, 2013
    IrishCJ6

    IrishCJ6 Member

    Wicklow Ireland
    Joined:
    Dec 6, 2010
    Messages:
    437
    Ok, that's good news I got about 18.5hg at best.
     
  4. Dec 20, 2013
    jeepcj

    jeepcj Member

    cincy, Ohio
    Joined:
    Aug 23, 2009
    Messages:
    601
    What is your rpm at 18.5hg? 650-900 is good. I personally like around 750-800 on mine.
     
  5. Dec 20, 2013
    IrishCJ6

    IrishCJ6 Member

    Wicklow Ireland
    Joined:
    Dec 6, 2010
    Messages:
    437
    RPM set at 690, might increase slightly to help on the trail. I would say I have the mixture screws at 2 1/4 turns out.
     
  6. Dec 21, 2013
    jeepcj

    jeepcj Member

    cincy, Ohio
    Joined:
    Aug 23, 2009
    Messages:
    601
    Awsome, Sounds about right. Drive and enjoy
     
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