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Which Hei Distributor To Choose

Discussion in 'Early CJ5 and CJ6 Tech' started by Brislin06, Jun 2, 2018.

  1. Focker

    Focker That's a terrible idea...What time? Staff Member

    This thread is turning out great. Fantastic pictures.
     
  2. Brislin06

    Brislin06 Member

    I pulled the trigger on the crt performance hei. Next question. What plugs does everyone run with this set up?
     
  3. Focker

    Focker That's a terrible idea...What time? Staff Member

    I use E3 52 plugs.
     
  4. colojeepguy

    colojeepguy Colorado Springs

    The important thing is to run a wider gap on the spark plugs, typically .045 vs .035
     
    mike starck and 47v6 like this.
  5. oldtime

    oldtime oldtime

    I need a set of plug cables for my Dauntless 225 V6 HEI.
    Any advice on that ?
     
  6. Focker

    Focker That's a terrible idea...What time? Staff Member

    Make your own custom lengths.

    More info - Spark Plug Wire Suggestion
     
  7. Daryl

    Daryl Sponsor

    Any set of wires from an HEI Buick v6 will work great.
     
  8. CJ Joe

    CJ Joe Truckhaven Tough!

    What about spiral core wires?
     
  9. Focker

    Focker That's a terrible idea...What time? Staff Member

  10. oldtime

    oldtime oldtime

  11. Focker

    Focker That's a terrible idea...What time? Staff Member

    Wound? Mine are.
     
  12. Focker

    Focker That's a terrible idea...What time? Staff Member

    I used the elbows on the cap, but straight boots over the plugs.
     
  13. IRQVET

    IRQVET Bubbaification Exorcist

    If it helps, here is the (I believe Petronix) HEI that I ordered some time ago after a member here put a link that pointed me in the right direction as to which one to buy. I just popped it on my non running motor. Here is a picture of the unit on the motor and the grinding/ head bolt grind that I had to do to ge it to fit. It still rubs a bit, but I can move it around.
     

    Attached Files:

    Last edited: Jun 12, 2018
  14. JohnBoyGeeta

    JohnBoyGeeta New Member

    Where does each of the 3 wires run to? I just dropped a 231 odd fire in place of my dauntless and Its time to wire her up.
     
  15. oldtime

    oldtime oldtime

    Plug the 3 wire HEI pigtail into bottom of the cap.
    You should see 2 additional terminals on the cap.
    One is marked for a tachometer and the other marked "BAT" goes to ignition switch "ON"...
     
    JohnBoyGeeta likes this.
  16. JohnBoyGeeta

    JohnBoyGeeta New Member

    Thank you sir. Out of all the pictures and instructions I read, that was the most concise and correct!
     
  17. Daryl

    Daryl Sponsor

    dnb71R2 likes this.
  18. Buildflycrash

    Buildflycrash More or Less in Line. 2024 Sponsor 2022 Sponsor


    I kind of remember this being discussed before but.... It looks like the cap is for an 8 cylinder- how does it keep the firing/timing correct with a 6cyl?
     
  19. Daryl

    Daryl Sponsor

    The tangs in the cap are 3 different lengths.
     
  20. jzeber

    jzeber Well-Known Member 2022 Sponsor

    Good info and explains why the guy in the Bronco on one of our Rubicon ECJ5 runs was able to use a spare someone had. He had been out there for at least 2 days while his buddy was walking back to town for a new one. IIRC he was almost out of food and water.