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Re: [Healeys] Hi Voltage Coil

To: healeys@autox.team.net
Subject: Re: [Healeys] Hi Voltage Coil
From: Bob Spidell <bspidell@comcast.net>
Date: Mon, 17 Apr 2023 21:06:34 -0700
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
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Doesn't using a ballast resistor require two circuits; one for starting 
(no resistor, hotter spark) and one for running (resistor for cooler 
running coil, less erosion of points)? AFAIK, no Big Healeys used a 
ballast resistor with requisite two circuits.


On 4/17/2023 10:47 AM, Kees Oudesluijs via Healeys wrote:
>
> The Pertronix ignition (and many other electronic ignition systems)  
> usually needs a resistance of 3 Ohm. A lower resistance may lead to 
> failure of the Pertronix. A 1,5 Ohm coil should be used together with 
> a 1,5 Ohm ballast resistor. If you use a 3 Ohm coil you will not need 
> the ballast resistor.
> Kees Oudesluijs
>
> Op 17-4-2023 om 16:30 schreef Tom Felts via Healeys:
>> For those who use Pertronix AND a 40K coil, have you ever used a 1.5 
>> ohm coil in your Healey?  Reason for asking---I believe my coil to be 
>> going bad, so will replace it.  I have a Pertronix 1.5ohm coil.  it 
>> states that 6 cylinder engines need to use the 3 ohm coil--unless you 
>> are in a racing mode.  just wondering if any of you use the 1.5, and 
>> if so any problems----i.e., what is the downside of using the 1.5?
>>
>> thanks
>> Tom
>>
>>
>
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    Doesn't using a ballast resistor require two circuits; one for
    starting (no resistor, hotter spark) and one for running (resistor
    for cooler running coil, less erosion of points)? AFAIK, no Big
    Healeys used a ballast resistor with requisite two circuits.<br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 4/17/2023 10:47 AM, Kees Oudesluijs
      via Healeys wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:711e8201-788b-2524-2b70-4db84ce32122@chello.nl">
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
      <p>The Pertronix ignition (and many other electronic ignition
        systems)  usually needs a resistance of 3 Ohm. A lower
        resistance may lead to failure of the Pertronix. A 1,5 Ohm coil
        should be used together with a 1,5 Ohm ballast resistor. If you
        use a 3 Ohm coil you will not need the ballast resistor.<br>
        Kees Oudesluijs<br>
      </p>
      <div class="moz-cite-prefix">Op 17-4-2023 om 16:30 schreef Tom
        Felts via Healeys:<br>
      </div>
      <blockquote type="cite"
cite="mid:1498859903.148308510.1681741824156.JavaMail.zimbra@windstream.net">
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font-family:arial, helvetica, sans-serif;}</style>
        <div>For those who use Pertronix AND a 40K coil, have you ever
          used a 1.5 ohm coil in your Healey?  Reason for asking---I
          believe my coil to be going bad, so will replace it.  I have a
          Pertronix 1.5ohm coil.  it states that 6 cylinder engines need
          to use the 3 ohm coil--unless you are in a racing mode.  just
          wondering if any of you use the 1.5, and if so any
          problems----i.e., what is the downside of using the 1.5?</div>
        <div><br data-mce-bogus="1">
        </div>
        <div>thanks</div>
        <div>Tom</div>
        <br>
        <br>
      </blockquote>
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