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How To Tell Odd Fire Vs Even?

Discussion in 'Early CJ5 and CJ6 Tech' started by Travis Hunt, Apr 20, 2019.

  1. Apr 20, 2019
    Travis Hunt

    Travis Hunt New Member

    California
    Joined:
    Apr 13, 2019
    Messages:
    1
    Hi new to the forum. I have a 68 225 dauntless how do i tell the difference between the even fire and odd fire caps i just got this rig and many things are missing so any help with that would be much appreciated as well
     
    Travis Hunt, Apr 20, 2019
    #1
  2. Apr 20, 2019
    TIm E

    TIm E Aggressively average

    NW Arkansas
    Joined:
    Mar 2, 2017
    Messages:
    683
    Welcome! Pictures of the distributor will tell the story.
     
    TIm E, Apr 20, 2019
    #2
  3. Apr 20, 2019
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
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    timgr, Apr 20, 2019
    #3
  4. Apr 20, 2019
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
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    timgr, Apr 20, 2019
    #4
  5. Apr 20, 2019
    Warloch

    Warloch Did you say Flattie??? Staff Member

    Falcon, CO
    Joined:
    Mar 4, 2003
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    5,469
    Those are also HEI caps and the difference with them. From the top, an HEI OF cap has 8 posts, but 2 are blocked off and inside there are short an long tangs. EF HEI caps only have 6 posts and inside the tangs are all the same length.
     
    Warloch, Apr 20, 2019
    #5
  6. Apr 20, 2019
    Walt Couch

    Walt Couch sidehill Cordele, Ga. 2024 Sponsor 2023 Sponsor 2022 Sponsor

    cordele, Ga.
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    Travis it's like Tim E sez. What distributor do you have or not have. Pictures would be a great help so we don't give you a bunch of info that won't do you any good.
     
    Walt Couch, Apr 20, 2019
    #6
    Unkel Dale likes this.
  7. Apr 20, 2019
    Keys5a

    Keys5a Sponsor

    Florida Keys
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    Jan 23, 2014
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    The even-fire Buick wasn't introduced until about 1977, and that was a 231 ci displacement. If you have a '68 Buick/Dauntless engine, it is a 225 odd-fire. A photo of the disrtibutor is the best way to determine the correct cap. It should be a small diameter (reletive to the HEI) and have 6 evenly spaced posts.
    -Donny
     
    Keys5a, Apr 20, 2019
    #7
    Focker likes this.
  8. Apr 21, 2019
    cadwelder

    cadwelder Member

    Milton KY
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    Jun 2, 2011
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    cadwelder, Apr 21, 2019
    #8
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