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Oddfire dist. question

Discussion in 'Early CJ5 and CJ6 Tech' started by Yankeefist, Oct 6, 2010.

  1. Oct 6, 2010
    Yankeefist

    Yankeefist Sponsor

    Atchison, Kansas
    Joined:
    Oct 3, 2009
    Messages:
    94
    I was reading another post on this forum that stated that when setting up an oddfire dist. you must use one of the posts in the dist. cap that has the short contact inside. They stated that if you use one of the long contacts as your #1 cylinder that the engine will not run properly.
    Is this true?

    The reason I am asking is that I am having an intermittent miss at cruising speed. I have asuumed that it was caused by the carb but now am beginning to wonder if it could be a dist problem.
     
    Yankeefist, Oct 6, 2010
    #1
  2. Oct 6, 2010
    Yankeefist

    Yankeefist Sponsor

    Atchison, Kansas
    Joined:
    Oct 3, 2009
    Messages:
    94
    Cmon guys I know plenty of you know the answer to this question. Speak up.........PLEASE

    Help this dummy out
     
    Yankeefist, Oct 6, 2010
    #2
  3. Oct 6, 2010
    Warloch

    Warloch Did you say Flattie??? Staff Member

    Falcon, CO
    Joined:
    Mar 4, 2003
    Messages:
    5,473
    No - you MUST move 2 spaces to keep the 'even - odd' positions in the cap correct.

    However, since the timing will be set from the number 1 - the shortest contact should be used as you could get the problem you describe under the right situation.

    Think on this - if you use a longer contact to set the timing, spark can occur anywhere along it's length. This may make the spark on a shorter contact out of phase (or out of range) and it will not happen properly.

    Short answer - not true - but in my opinion - a 'best practice' to avoid what it looks like your getting.
     
    Warloch, Oct 6, 2010
    #3
  4. Oct 6, 2010
    Yankeefist

    Yankeefist Sponsor

    Atchison, Kansas
    Joined:
    Oct 3, 2009
    Messages:
    94
    Wow that was fast. And it makes sense. I guess I'll give it a try, at least it won't cost me anything (unlike every other thing I do to this Jeep) I'll let you know if it cures my problem.

    Thanks loads,
    Curtis
     
    Yankeefist, Oct 6, 2010
    #4
  5. Oct 6, 2010
    Yankeefist

    Yankeefist Sponsor

    Atchison, Kansas
    Joined:
    Oct 3, 2009
    Messages:
    94
    Hey Worloch,
    I changed #1 cylinder to a short post in the cap but it didn't seem to make any difference on my intermittent sputtering. It may be idleing a tiny bit smoother now or it may just be my imagination.

    Oh well, I guess I'll go back to the carb. and keep looking.
    Thanks for the help.
     
    Yankeefist, Oct 6, 2010
    #5
  6. Oct 6, 2010
    Warloch

    Warloch Did you say Flattie??? Staff Member

    Falcon, CO
    Joined:
    Mar 4, 2003
    Messages:
    5,473
    Did you put a light on each plug wire as it's running and look for a miss?
     
    Warloch, Oct 6, 2010
    #6
  7. Oct 7, 2010
    Yankeefist

    Yankeefist Sponsor

    Atchison, Kansas
    Joined:
    Oct 3, 2009
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    I did this, even tried it a different RPM's. Detected no miss.
    I still think my problem is in the carb.
     
    Yankeefist, Oct 7, 2010
    #7
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