Pertronix Flame Thrower Distributor

General Mopar Tech Discussions

  1. mpro69rr

    mpro69rr Well-Known Member

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    I have a new pertronix dist for my newly built 383 and in the instructions it says I have to remove the ballast resistor. Do I just remove it and solder the wires together? Is there a way I can keep it there and make it look stock?

    Thanks!
     
    Last edited: Mar 14, 2020
  2. Jerry Hall

    Jerry Hall Well-Known Member

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    • dadsbee

      dadsbee FBBO Gold Member FBBO Gold Member

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      Yep, as Jerry says.. just take a spare, cut the resistor out of the back and replace it with a piece of wire. Pics show the parts.. apart. Cut the resistor out and reuse the tabs, then put the stuff back into the heat sink block.
      beerestoration2017 1496.JPG beerestoration2017 1497.JPG beerestoration2017 1498.JPG beerestoration2017 1506.JPG
       
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      • mpro69rr

        mpro69rr Well-Known Member

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      • dadsbee

        dadsbee FBBO Gold Member FBBO Gold Member

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        Just pics I had when I restored my OE ballast. So remove the resistor and replace it with a solid piece of #10 or similar.
         
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        • Ranger16

          Ranger16 Well-Known Member

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          Personally, I'd leave the ballast resistor in place. It will extend the life of your coil.

          "What does a Mopar ballast resistor do?
          In simple terms, the ballast resistor in a Mopar limits the amperage, or current flow, through the coil while the engine is running, thereby extending the life of the coil and breaker points of the distributor."

          Here are just a couple more interesting articles about it. Draw your own conclusion.
          https://www.hotrod.com/articles/mopp-1110-ballast-resistor-guide-ballast-blast-off/
          https://www.jalopyjournal.com/forum/threads/electronic-ignition-units-ballast-resistors.816664/
           
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          • twinscrew698

            twinscrew698 Well-Known Member

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            I have to ask whether or not they make a distributor with the OE look of a Factory dist Cap yet?
            All the ones i seen do not and look like a GM setup.
            Am i looking at the wrong ones?
             
          • mpro69rr

            mpro69rr Well-Known Member

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            I don't think they have one that looks stock.
             
          • twinscrew698

            twinscrew698 Well-Known Member

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            Ok Thanks for the reply
             
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            • HALIFAXHOPS

              HALIFAXHOPS hops farmer and MOPAR only distributor rebuilder! FBBO Gold Member

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              Petronix needs 12V to run properly. That's why they recommend their coil also
               
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              • Ranger16

                Ranger16 Well-Known Member

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                Ahh, THAT'S why all the confusion. Thanks.
                 
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                • HALIFAXHOPS

                  HALIFAXHOPS hops farmer and MOPAR only distributor rebuilder! FBBO Gold Member

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                  Anytime. They are great but can have issues when they do not have 12 volts and a 72 up coil also.
                   
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                  • Dibbons

                    Dibbons Well-Known Member

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                    I still run the ballast resistor on my '72 SSP because I replaced the OE distributor during a road trip and left it that way. Seems to run fine except:

                    With the ignition points distributor, when warm, the motor would start instantly as soon as I turned the key.

                    With the Pertronix, it takes a second or two to start when warm.

                    If I remember correctly, looking at the voltage chart Pertronix provides on their advertising/web site, it looks to me that a points ignition actually provides more voltage at very low RPM, then the pointless systems jumps right up and bypasses the point distributor like no tomorrow.
                     
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                    • Dibbons

                      Dibbons Well-Known Member

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                      The chart I was talking about compares points with Pertronix II (they sell three versions: I, II, III)

                      pertronix.png
                       
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