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Old 10-19-2005   #2
Matt D.
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Join Date: Oct 2003
Location: Shoreview, MN
Drives: 2003 Evolution VIII
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Re: Rather advanced questions on electrical theory!

To answer your first question in simple terms, no system is 100% efficient. We don't live in a perfect world, and it's absurd for your teachers to think that way.

For the second question, I think it is probably best answered if you'd ever have the chance to look at an oscilloscope of the timing components and their triggers. Certain events have to occur for the ignition to fire, and they last for a certain amount of time, possibly 2-3ms like you mentioned. From what I always understood about coils, when one side has current running through it the other side is live, so if the ignition event were 2-3ms then that's how long the spark would exist.
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