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Old 09-15-2004, 12:06 AM
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Tomguy Tomguy is offline
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Join Date: Aug 2002
Location: near Scranton, PA
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The starter takes a lot of power to crank the engine, so they assumed the voltage on cranking with the ballast would be too low to provide acceptable spark, so it is bypassed during cranking. Without the load of the starter (and with the alternator running) the 14 volts of the system is enough to keep it going well. Also, it helps the points last longer by having no real current pass through them (only a tiny bit to "switch")
Bypassing the resistor(s) with the stock coil may lead to premature ignition box failure, too.

However, it MIGHT give better economy. I can't be too sure, though, without testing myself.
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