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Re: carbon as opposed to steel...
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Posted by Bob Kerr on August 01, 2001 at 05:32:32 from (205.188.198.181):
In Reply to: carbon as opposed to steel... posted by DM on July 31, 2001 at 22:30:18:
Copper was used originally instead of steel. The wire ends sometimes were made from steel but the wire core should be copper. Carbon core wires have more resistance to the flow of electricity and will deliver less spark voltage to the plug. Carbon core wires were developed to reduce radio interference noise in car/home radios and television sets. carbon core wires will eventually go bad as the electricity will carry away some carbon over time and you end up with a gap inside the wire.Inside the magneto there is a thing called "the safty gap" if a wire falls off of goes bad it allows the spark to go to ground instead of shooting over to another plug wire. The safty gap is a little bigger than the plug gap so the electrictiy will go to the plug unless the gap at the plug or in the wire becomes larger than the safty gap.It can also jump the safty gap if you use resitor plugs and resistor wire and if the plug gap is too wide can cause a running problem that is very hard to trace. Solid copper core wire has much less resitance (more spark delivered to the plug) and will last until the rubber falls off! I have a set of original solid copper core factory wires on my 1929 International and they work perfect still! I am thinking about putting solid copper core wires on my car since I don't listen to the radio when I drive. Plus if I can "screw up" some kids car stereo blasting "ghetto trash" rap music it would be all the better!
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