Magneto Plug Wires?

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rasman57

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Topic: Magneto Plug Wires?
Posted: 02 Jul 2010 at 11:43am

Seen many warnings about not using resistor type plug wires with the magneto, and several recommendations to use "solid core" wires. Are the non resistor wires consisting of several strands of conductor wire also bad for the magneto? Does solid core mean one larger diameter single wire? I understand the resistor issue but what is the deal with stranded centers? Thanks

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wkpoor

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Posted: 02 Jul 2010 at 12:01pm

Solid core is the multi stranded stuff. Thats what makes it flexible. Otherwise it would e like house wire. I buy it on the roll at NAPA. They sell all the stuff to make nice OEM appearance wires but you will need the proper Molex crimpers.

Dave Everett View Drop Down

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Posted: 02 Jul 2010 at 12:02pm

As long as the plug wires are metal cored with no reister caps all will be good..........

DaveKamp

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Posted: 02 Jul 2010 at 10:16pm

Confusion of terms commonly occurs here- 'modern' automotive wires are actually carbon-strand, and have resistance IN the wire. You don't want that... nor do you want resistance in the spark plugs. Resistance is employed to reduce radio frequency interference, however, adding resistance to ignition system means when the coil primary circuit is interrupted, voltage on the secondary side voltage has to rise farther, in order to cause the spark gap to be breached. Higher secondary voltage is hard on the mag.

I'll second the motion on buying the roll... think I got mine at NAPA too... seems to me it was about $50 for the roll.

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rasman57 Members Profile Send Private Message Find Members Posts Add to Buddy List Silver Level Joined: 12 Sep 2009 Location: Illinois Points: 404	Post Options Post Reply Quote rasman57 Report Post Thanks(0) Quote Reply Topic: Magneto Plug Wires? Posted: 02 Jul 2010 at 11:43am
	Seen many warnings about not using resistor type plug wires with the magneto, and several recommendations to use "solid core" wires. Are the non resistor wires consisting of several strands of conductor wire also bad for the magneto? Does solid core mean one larger diameter single wire? I understand the resistor issue but what is the deal with stranded centers? Thanks

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wkpoor Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 25 Apr 2010 Location: Amanda, OH Points: 825	Post Options Post Reply Quote wkpoor Report Post Thanks(0) Quote Reply Posted: 02 Jul 2010 at 12:01pm
	Solid core is the multi stranded stuff. Thats what makes it flexible. Otherwise it would e like house wire. I buy it on the roll at NAPA. They sell all the stuff to make nice OEM appearance wires but you will need the proper Molex crimpers.

Dave Everett Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 12 Sep 2009 Location: England Points: 875	Post Options Post Reply Quote Dave Everett Report Post Thanks(0) Quote Reply Posted: 02 Jul 2010 at 12:02pm
	As long as the plug wires are metal cored with no reister caps all will be good..........

DaveKamp Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Apr 2010 Location: LeClaire, Ia Points: 5754	Post Options Post Reply Quote DaveKamp Report Post Thanks(0) Quote Reply Posted: 02 Jul 2010 at 10:16pm
	Confusion of terms commonly occurs here- 'modern' automotive wires are actually carbon-strand, and have resistance IN the wire. You don't want that... nor do you want resistance in the spark plugs. Resistance is employed to reduce radio frequency interference, however, adding resistance to ignition system means when the coil primary circuit is interrupted, voltage on the secondary side voltage has to rise farther, in order to cause the spark gap to be breached. Higher secondary voltage is hard on the mag. I'll second the motion on buying the roll... think I got mine at NAPA too... seems to me it was about $50 for the roll.