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Thread: Tractor dropped a cylinder = help

  1. #1
    Join Date
    Feb 2011
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    fingerlakesny
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    Tractor dropped a cylinder = help

    1950 ferguson to -30 similar to a ford 8n... Plowing snow and dropped # 2 cylinder,,,, compression tests to 60 psi in all 4 cylinders.. Installed new pluds, wires, and dist. Cap still not firing all the time..if ya run it wide open it runs good... But only fires once in a while otherwise...i ran it for a bit then pulled the plug and its wet ?
    our original 85 we bought new, 2 - 86 police specials
    250r dust runner
    04 Yamaha kodiaK 450 snowbuster ! Brute Force 750 dust collector .
    Bunch of es stuff I been buying for next builds....
    Gone but lives on in my aching body the mighty 350x collection . A Beat 85 es im gonna rebuild

  2. #2
    Chopsaw is offline Just Too Addicted Arm chair racerJust too addicted
    Join Date
    May 2013
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    St. Louis
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    505
    Wet because its not firing ? Can you tell if its oil or fuel ? Did you replace the rotor ? Sometimes carbon tracks will cancel a cylinder but , most times that's in the cap , but I have seen it on rotors . I don't know tractors so maybe ,,, I don't know .

  3. #3
    Join Date
    Feb 2011
    Location
    fingerlakesny
    --
    2,834
    yes , rotor is new and its fuel on the plug .
    our original 85 we bought new, 2 - 86 police specials
    250r dust runner
    04 Yamaha kodiaK 450 snowbuster ! Brute Force 750 dust collector .
    Bunch of es stuff I been buying for next builds....
    Gone but lives on in my aching body the mighty 350x collection . A Beat 85 es im gonna rebuild

  4. #4
    Chopsaw is offline Just Too Addicted Arm chair racerJust too addicted
    Join Date
    May 2013
    Location
    St. Louis
    --
    505
    Was it just running rough ? or backfire , or pop out the carb ? How did you know it was the 2nd cylinder ? If the compression is good , and its gas fouled ( only on number 2 ), you replaced the plug , wire , cap and rotor . ( points / condenser ? ) I've had the bushing in the distributer wear causing enough wobble to cancel a cylinder . To me that might make sense since you say at high rpm it smooths out . Pull the cap and see if you can detect any slop in the shaft , or in the rotor it self . Also look at the cam on the distributer , make sure its not worn at the number two location . Just throwin ideas at ya .

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