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02-11-2016, 12:12 AM | #1 |
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Join Date: Oct 2015
Location: Bay City Michigan
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what condenser to use when using 12v
im switching over to twelve volt. gm alternator switching to negative ground. do i need a different condenser for 12v? and if so what would be a good replacement.
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02-11-2016, 12:42 AM | #2 |
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Join Date: Jul 2011
Location: Redondo Beach, CA
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Re: what condenser to use when using 12v
I'm using the original style "short proof" condenser with 12v. It's doesn't seem to care...
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02-11-2016, 01:39 AM | #3 |
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Join Date: May 2010
Location: Nelson. New Zealand
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Re: what condenser to use when using 12v
A condenser is a condenser , no such thing as a 6 volt one or a 12volt one , Just remember if its from down under , too turn it up the other way, then it will work,
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02-11-2016, 04:02 PM | #4 |
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Re: what condenser to use when using 12v
The voltage to the points is the same 12v battery or 6 volt battery. That's why one coil uses a resistor one does not.
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02-11-2016, 04:51 PM | #5 |
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Re: what condenser to use when using 12v
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02-11-2016, 06:40 PM | #6 |
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Re: what condenser to use when using 12v
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The capacitance rating is selected to match the inductance of the coil, creating a resonant circuit when the points open. The capacitor's voltage rating must exceed the reverse EMF created during the collapse of the coil's magnetic field, generally in the 70 to 100 volt range for a typical iron core ignition coil. The actual applied voltage during buildup of the coil magnetic field (6V, 12V) has nothing to do with the peak reverse EMF voltage. That is strictly a function of coil design which is a variable and the velocity of a collapsing magnetic field which is relatively constant. A typical Kettering ignition capacitor has a breakdown voltage exceeding 200V. |
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