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Old 03-14-2023, 06:25 AM   #19
nkaminar
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Join Date: Jan 2012
Location: Western North Carolina
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Default Re: Why would it matter?

If the coil and condenser are matched correctly there is no metal migration at the points. The coil and condenser are a tuned LC circuit. The opening of the points initiates a ringing between the coil and condenser that causes the initial spark and several following sparks in rapid sequence. Once the points are open there should be no sparking there. However, this ideal situation is not the actual case in most ignition systems and there will be some metal migration. The solution is regular dressing of the points. The coil polarity will not effect this as the voltage across the point is not changed by wiring the coil differently.
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