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Drivers Side Exhaust Manifold Hotter Than Passanger Side ( Duantless 225 V6)

Discussion in 'Flat Fender Tech' started by Kolten, Feb 22, 2020.

  1. Feb 28, 2020
    FinoCJ

    FinoCJ 1970 CJ5 Staff Member 2020 Sponsor

    Denver, CO
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    yes - or pull #1 spark plug and have firend/wife stick her finger over the hole and feel for air burst....
     
  2. Feb 28, 2020
    Kolten

    Kolten New Member

    Duvall, Washington
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    I dont have any friends or wife, so I looks like I will either have to plug the hole with my finger or pull a valve cover.
     
    Muzikp likes this.
  3. Feb 29, 2020
    IRQVET

    IRQVET Bubbaification Exorcist

    Oregon
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    Feb 5, 2015
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    You can put a paper towel in the hole of the spark plug as well.
     
  4. Feb 29, 2020
    Kolten

    Kolten New Member

    Duvall, Washington
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    So would 180 degrees off cause a high idle and backfire with flames out the exhaust on the passenger side?
     
  5. Feb 29, 2020
    45es

    45es Member 2019 Sponsor

    Naches, WA
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    No
    Yes, but so would inadvertently miss wiring a couple of sparkplug wires.
     
  6. Feb 29, 2020
    Kolten

    Kolten New Member

    Duvall, Washington
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    I double checked the plug wire locations
     
  7. Feb 29, 2020
    cayenne

    cayenne Member

    central Texas
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    Dec 24, 2006
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    This might not be your case, but I had messed up the timing and mixture screws so bad on mine trying to chase the cold manifold problem, that when I finally did have it right, I had to re tune the carb, idle, etc.
     
  8. Feb 29, 2020
    Kolten

    Kolten New Member

    Duvall, Washington
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    May 9, 2016
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    I've been messing around all morning and I can't seem to get the timing right. I have set it to what I believe is tdc a few times rotate the oil pump slightly and installed the distributor so rotor points at number 1. The engine does not appear to run smooth. I even tried setting it to 8 degrees before tdc. I either get backfiring as the engine warms up or backfire through the carburetor. I still could be 180 degrees off? Any suggestions?
     
  9. Feb 29, 2020
    FinoCJ

    FinoCJ 1970 CJ5 Staff Member 2020 Sponsor

    Denver, CO
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    After checking plug wire routing 100x, I'd probably try to check the spark at each plug...I like to put my timing light on each plug just to see it flash in a consistent manner....I am not that familiar with HEI, but I'd eventually move to the coil...with HEI I assume the coil is in the cap? Is there a way to swap that out just to ensure its not the issue? I don't think it would cause these kind of problems, but I think many go to a wider gap on the plugs with HEI. Maybe the plug wires are old and deteriorated and the HEI has found the weakness?
     
  10. Feb 29, 2020
    Zoomer

    Zoomer eJeeper (walking) 2020 Sponsor

    Minnesota
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    Are you pulling and plugging the vacuum tube when setting timing?
     
  11. Feb 29, 2020
    Kolten

    Kolten New Member

    Duvall, Washington
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    I did plug the vaccum tube. Thought of that. I am about to give up for today as I'm frustrated. It feels like I just cant get the timing right. A few backfires through carb and exhaust so something is firing off. Mist have set it to tdc at least 10 times now. No luck
     
  12. Feb 29, 2020
    cj3may

    cj3may New Member

    latobe pa
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    Do you have full 12 volts going in to the hei distributor when checked it should be close to 14.7 volts . If you used wire from old distributor it will not be full volts . You can run a jump wire from keyed 12volt to distributor . Hope this helps. Hei needs full 12 volts to work properly.With points you only get full 12 volts when starting engine then it drops so you don’t fry the points.
     
    Last edited: Feb 29, 2020
  13. Feb 29, 2020
    45es

    45es Member 2019 Sponsor

    Naches, WA
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    I think I would start at square 1 again. With distributor out inspect the drive gear. Did the pin shear allowing the shaft to move within the gear. Then go through the distributor installation and timing. I have seen cases where the drive gear and shaft do not stay in sync because of a faulty drive gear pin.
     
    Lockman likes this.
  14. Feb 29, 2020
    Zoomer

    Zoomer eJeeper (walking) 2020 Sponsor

    Minnesota
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    Does the installation of HEI require removing the dropping resistor on the firewall? Did you jumper across it?
     
  15. Feb 29, 2020
    Kolten

    Kolten New Member

    Duvall, Washington
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    May 9, 2016
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    Yes it does and I ran a new wire from key. I may have found an issue. Gasket under carburetor is ripped and is a likely vacuum leak. I'll fix it and see what happens tomorrow
     
    Rich M. likes this.
  16. Mar 2, 2020
    Kolten

    Kolten New Member

    Duvall, Washington
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    May 9, 2016
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    I am cautiously optimistic I repaired the gasket under the carburetor and it starts and runs very good. Slightly an odd idle but if I remember correctly odd fires have a weird idle to begin with.
     
    Lockman, Fireball, 45es and 1 other person like this.
  17. Mar 2, 2020
    45es

    45es Member 2019 Sponsor

    Naches, WA
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    Are the temperatures balanced now?
     
  18. Mar 3, 2020
    Kolten

    Kolten New Member

    Duvall, Washington
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    Much more so. All six are hot now in a good way.
     
    Lockman, 45es and FinoCJ like this.
  19. Mar 3, 2020
    Fireball

    Fireball Member 2020 Sponsor 2019 Sponsor

    Pullman, WA
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    I repeat. Yay! Good job sticking it out and working through the trouble.
     
    Kolten likes this.
  20. Mar 3, 2020
    Warloch

    Warloch Did you say Flattie??? Staff Member

    Falcon, CO
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    You should open the plugs up a bit with HEI - also, I've gone to E3 plugs with all of my HEI installs once I get them running good.

    Word of experience - ALWAYS start over from step one when restabing the Distro. I use a long socket on the front crank, pull plug one, feel the pulse, set TDC. Depending on altitude, @ 6 degrees works good for timing. I also use a marker on the distro body where post one sits so when I stab it, I know what I'm lining up to for starters.
     
    Kolten, Lockman and Fireball like this.

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