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Plug Wire Impedance 12 Jan 2017 15:03 #752034

  • BIGKEVIN
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Can someone tell me what the impedance per foot is for Accel silicone plus graphite RFI suppression 8.8 mm plugs ? Thanks.
1976 KZ900
2006 ZX6R

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Plug Wire Impedance 12 Jan 2017 15:03 #752035

  • BIGKEVIN
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That should have been plug wires.
1976 KZ900
2006 ZX6R

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Plug Wire Impedance 12 Jan 2017 15:28 #752037

  • Nessism
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Found this using a google search...
www.holley.com/products/ignition/spark_plug_wires/parts/8021ACC

500 Ohms/ft

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Plug Wire Impedance 12 Jan 2017 15:39 #752038

  • BIGKEVIN
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Thanks for the reply. All of mine are measuring from 14 to 17 K ohms.
1976 KZ900
2006 ZX6R

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Plug Wire Impedance 12 Jan 2017 17:32 #752042

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Any reason why my wires measurement is so high ?
1976 KZ900
2006 ZX6R

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Plug Wire Impedance 12 Jan 2017 19:09 #752049

  • daveo
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BIGKEVIN wrote: That should have been plug wires.


It is simple to correct errors or add/delete information if you get to it in time. If the "EDIT" option is noted at the lower right corner of your post, simply click on it and go. :)
1982 KZ1100-A2

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Plug Wire Impedance 12 Jan 2017 20:15 #752051

  • Nessism
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Have you removed the wires from the coils before measuring? If there is that much resistance from just the wires I'd suspect some bad crimps.

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Plug Wire Impedance 12 Jan 2017 20:20 #752052

  • missionkz
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BIGKEVIN wrote: Can someone tell me what the impedance per foot is for Accel silicone plus graphite RFI suppression 8.8 mm plugs ? Thanks.

Although we could argue the coil has impedance, I think plug wires are measured in resistance.
Bruce
1977 KZ1000A1
2016 Triumph T120 Bonneville
Far North East Metro Denver Colorado

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Plug Wire Impedance 13 Jan 2017 03:35 #752055

  • BIGKEVIN
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I do have the wires removed from the bike. I'll check the crimps and most likely redo all of the wires. Thanks for the replies.
1976 KZ900
2006 ZX6R

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Last edit: by BIGKEVIN.

Plug Wire Impedance 13 Jan 2017 05:00 #752056

  • Patton
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Suppression core plug wires are known to have a more frequent failure rate and a shorter life-span than do solid wire core plug wires.

Could consider tossing the existing "old" resistance plug wires, and install new solid copper core plug wires.
www.z1enterprises.com/catalogsearch/result/?cat=&q=plug+wires

The copper core Dyna spark plug wires are non-resistant with a non-resistor cap.

The advantage of new plug wires is not having to worry about leakage of high tension voltage through old hard cracked insulation often present with old plug wires..

Factory KZ's came with solid core plug wires and non-R (i.e., non-resistance spark plugs such as NGKB8ES), together with a resistor cap.

One and only one resistance component may be used in the secondary loop (i.e., cap OR wire OR plug).
More than one resistor component is too much resistance, which weakens spark.

Actually don't need any resistance component in the secondary loop, which many owners achieve by fitting non-resistor caps to the stock wires and keeping the same stock non-R plugs.

Running without a resistance component in the secondary loop is expected to cause radio interference (if that matters).

Good Fortune! :)
1973 Z1
KZ900 LTD

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Last edit: by Patton.

Plug Wire Impedance 13 Jan 2017 08:58 #752075

  • KZB2 650
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I've ran solid copper core wires, with nr caps and plugs since the beginning.... thinking I'm on my 4th set.
1978 KZ650 b-2
700cc Wiseco kit 10 to 1.
1980 KZ750 cam, ape springs, stock clutch/ Barnett springs.
Vance and Hines Header w/ comp baffle and Ape pods, Dyna S and green coils, copper wires.
29MM smooth bores W/ 17.5 pilots, 0-6s and 117.5 main
16/42 gearing X ring chain and alum rear JT sprocket.

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Plug Wire Impedance 14 Jan 2017 17:14 #752205

  • BIGKEVIN
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Thanks for the information. Would the Dyna 7mm (P/N DYDW300) copper core wires be a good choice when running the Accel 3 ohm coils ?
1976 KZ900
2006 ZX6R

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