Straight from "the horse's mouth?" I have spoken with the tech guys at Pertronix many times. That is not what they told me, nor is it what they put in writing. You did not specify which version of Pertronix you are talking about.
Standard Pertronix: copper plug wires are fine. If a 4 or 6 cylinder engine, coil primary resistance MUST be 3 ohms or more - or the unit will fail.
Pertronix II : copper plug wires are fine. Coil primary resistance can be as low as .45 of an ohm.
Pertrnonix III: MUST use resistance wires. Coil primary resistance can be as low as .32 of an ohm.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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