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Idle Adjustment - Solex

Discussion in 'Early CJ5 and CJ6 Tech' started by weedy, Apr 17, 2008.

  1. Apr 17, 2008
    weedy

    weedy Member

    Conroe, Tx
    Joined:
    Apr 19, 2005
    Messages:
    156
    Replaced the ignition with the PERTRONIX kit which made a huge difference! Now I have an easy starting engine that runs much smoother. The problem is that I have to have a little choke applied to get the jeep to run right (smooth idle). The amount of choke used is very slight (10%) to get the jeep to run well.

    The jeep has a new SOLEX Carb.
     
    weedy, Apr 17, 2008
    #1
  2. Apr 17, 2008
    w3srl

    w3srl All-around swell dude Staff Member

    Port Orange, FL
    Joined:
    Nov 6, 2002
    Messages:
    4,275
    Sounds like you have a vacuum leak somewhere that is leaning out the mixture, or else your idle mixture screw is way off.

    To adjust the idle mixture, I would back the mixture screw out 2-3 turns and see if it will idle without the choke. If it will, let it idle while slowly turning the mixture screw back in until it starts to sputter, than back off 1/4 turn. This will get you in the ballpark.

    If you cannot get it to idle without the choke, I'd use a can of carb cleaner to spray down the carb mounting base to see if it is leaking vacuum there.
     
    w3srl, Apr 17, 2008
    #2
  3. Apr 17, 2008
    weedy

    weedy Member

    Conroe, Tx
    Joined:
    Apr 19, 2005
    Messages:
    156
    Will silicone work to seal carb and intake gaskets?
     
    weedy, Apr 17, 2008
    #3
  4. Apr 17, 2008
    w3srl

    w3srl All-around swell dude Staff Member

    Port Orange, FL
    Joined:
    Nov 6, 2002
    Messages:
    4,275
    NO! Gasoline and Sillycone are not compatible.

    Personally, I've never needed to use a sealer on a carb gasket, too much chance of getting something stuck in a tiny passage on the baseplate.

    On the F-head four, there shouldn't be an intake manifold, the carb bolts to the top of the head IIRC.
     
    w3srl, Apr 17, 2008
    #4
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