"Hot Spark" Ignition
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Mountain Pass
Joined: Apr 2020
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"Hot Spark" Ignition
I'm sure this is a periodic subject but has anyone on the forum converted their Loadamatic vacuum advance distributor to electronic ignition via the "Hot Spark" setup [https://www.hot-spark.com]? If so, how does it perform? Are you happy with it? Did you need the "hotter" coil and/or the ceramic resistor? I'm having a real struggle keeping points in my signature truck. Thanks! Bob H.
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Joined: May 2015
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From: Tri Cities, TN
Don't know what sort of link you put up but my security software blocked it. Have you tried buying NOS made in the USA points and condensers from e-bay. Also if you are using the wrong coil or your resistor is bad you will burn points faster than you can replace them. Those things should last 5000 miles easy.
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Mountain Pass
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Mountain Pass
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Thanks, Robert. Weird about the link but that picture is the deal. Pertronix didn't have a solution for the 223 on the website I visited.
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Truth be told, I'm sure any of the points replacement electronic modules work just fine. It isn't anything exotic, known as a Hall effect transistor. And magnets. It will be more precise than breaker points, especially if the distributor itself has seen some wear, they get sloppy and points, being a mechanical item, will never hold the dwell spec, it will be all over the place. The electronic modules are affected by this too, just not nearly as bad.
Just be mindful of the manufacturers recommended coil primary resistance. It isn't so much the voltage, but the amperes flowing through the primary circuit. If the resistance in the primary ignition circuit is too low, the unit will roast itself. So match the ignition coil to the module, add up everything in the primary ignition circuit to include a "ballast resistor" (or not) and see to it that the total primary ignition circuit current doesn't exceed what is allowable.
Just be mindful of the manufacturers recommended coil primary resistance. It isn't so much the voltage, but the amperes flowing through the primary circuit. If the resistance in the primary ignition circuit is too low, the unit will roast itself. So match the ignition coil to the module, add up everything in the primary ignition circuit to include a "ballast resistor" (or not) and see to it that the total primary ignition circuit current doesn't exceed what is allowable.
Mountain Pass
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Last edited by JimKoz; Nov 16, 2020 at 12:18 PM. Reason: added information.
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