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Originally Posted by Vwbeamer
Does the resistance slow the electrical spark down?
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it doesn't slow the spark down. It slows the discharge of current once the spark is established.
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Is electrical power traveling on low resistance wires hotter?
If takes 5000 volts, ( or 6000 or 400 or 12, whatever it is) to jump the spark plug gap, that how much will be delivered.
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until the spark is established about 99% of the voltage provided by the coil will be developed across the spark plug gap. After the spark is established the voltage across the gap drops and voltage across the resistance of the wire increases.
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Electrical power going down a low resistance wire will be no hotter than on going down one with 1000 ohms.
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incorrect, energy is expended to over come the resistance of the wire.
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Once enough voltage is produced to jump the spark gap, a spark is made. it's the same spark regardless of the coil or wire that carries it, as long as they are capable of producing or carrying the voltage and current needed.
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incorrect, a spark carrying more current is hotter than a spark carrying less current. Resistance in the wires limits the current.
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Only way to get a bigger spark is a bigger spark plug gap.
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A bigger coil, multiple coils, or changing to a magneto will produce a bigger spark.