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#263771 - 07/09/09 1:06 am NGK sparkplug caps?  
Joined: Feb 2005
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MarksterTT Offline
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MarksterTT  Offline
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San Francisco Bay Area
Wondering if someone could help me here, I just received my Pazon ignition for streettracker TRI project and the kit came with 90* 5K ohm red plug caps. I would like to replace them with 120* caps but in searching have only found " black" caps. Question is, what is the difference between red and black caps? The boxes they came in even say (red) after the part no. Any help appreciated, Mark

#263813 - 07/09/09 6:00 am Re: NGK sparkplug caps? [Re: MarksterTT]  
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DMadigan Offline
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ca, us
Cyclewearables.com says the red are NGK "racing wires". They also have "Nology" wires that produce a spark 300 times more powerful than stock because they put a capacitor in the wire. Apparently creating power from thin air.

#263837 - 07/09/09 1:29 pm Re: NGK sparkplug caps? [Re: DMadigan]  
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phantom309 Offline
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spfld vt
As long as they are 5k caps it should not matter the color.I have 3 red and one black.I have a duel plug head so 4 plugs.Some systems are touchy about caps.My pazons is crank triggered.


Tim Joyce
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#263875 - 07/09/09 6:00 pm Re: NGK sparkplug caps? [Re: phantom309]  
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MarksterTT Offline
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O.K., thanks guys, maybe it's just an aesthetic thing but I couldn't think of why they would go to the trouble, my first & only thought was higher temp. plastic but then I've never had trouble with melting plug caps no matter the color. I'll just get the black, I want 120* caps for ease of ht lead routing.

Tim, I have the std. dual plugged kit as I will be running alternator for street, otherwise crank triggered would have been nice.

#263909 - 07/09/09 10:04 pm Re: NGK sparkplug caps? [Re: MarksterTT]  
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Stuart Online content
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Hi,

Originally Posted By: MarksterTT
I'll just get the black, I want 120* caps for ease of ht lead routing.

I'm not certain but you might want to do some more research - for some reason, I have it in the back of my mind that red plug caps are resistor plug caps, black are non-resistor.

Hth.

Regards,

#263931 - 07/10/09 12:57 am Re: NGK sparkplug caps? [Re: Stuart]  
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MarksterTT Offline
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MarksterTT  Offline
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San Francisco Bay Area
Originally Posted By: Stuart
Hi,

Originally Posted By: MarksterTT
I'll just get the black, I want 120* caps for ease of ht lead routing.

I'm not certain but you might want to do some more research - for some reason, I have it in the back of my mind that red plug caps are resistor plug caps, black are non-resistor.

Hth.

Regards,


I found both resistor and non-resistor in all configurations but in black. The only other off-the-wall thought I had was that maybe red were for racing with high energy ignitions where you might not want black caps if they were pigmented with carbon black, in case there were issues with spark tracking but that's just my weird thinking...thanks for input, Mark

#264247 - 07/12/09 10:26 am Re: NGK sparkplug caps? [Re: MarksterTT]  
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L.A.B. Online content
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Norfolk, UK
In the UK, the Red NGK 5 kOhm resistor plug caps have certainly been around for many years, the Black NGK caps were generally the non-resistor type, however NGK do seem to make resistor caps in Black as well as Red these days, but there is no actual difference between them as far as I can tell?

http://www.ngkpartfinder.co.uk/files/NGK_Spark_Plug_Covers.pdf

#264585 - 07/14/09 2:01 am Re: NGK sparkplug caps? [Re: L.A.B.]  
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MarksterTT Offline
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MarksterTT  Offline
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San Francisco Bay Area
Thanks for the site L.A.B., it appears there is no diff. other than choice of color...I'll just find some 120* caps for the inner plugs and call it good...Mark

#265700 - 07/19/09 6:18 pm Re: NGK sparkplug caps? [Re: MarksterTT]  
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TrmptRacer Offline
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TrmptRacer  Offline
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Irwin, PA
Just a word of caution on the Nology wires. I had a very good mechanic tell me that due the charge time of the capacitor in the wire, that at relatively high RPM's, ignition timing is retarded. Wanted to test it on dyno but the bike (a nicely done BMW cafe racer) left the shop to soon.


********************************
Keller Racing
"Performance By Design"
keller_racing@netscape.com
www.KellerRacing.net
http://www.cafeshops.com/KellerRacing
******************************
#265995 - 07/21/09 7:03 am Re: NGK sparkplug caps? [Re: TrmptRacer]  
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marinatlas Offline
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FRANCE- DINARD -BRITTANY
Hi there, most of NGK plug caps are engraved with the resistance value on them, and/or you could take an ohmeter to check the value.......

#266232 - 07/22/09 1:53 pm Re: NGK sparkplug caps? [Re: DMadigan]  
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Lannis Online content
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Lannis  Online Content

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Central Virginia
Originally Posted By: DMadigan
Cyclewearables.com says the red are NGK "racing wires". They also have "Nology" wires that produce a spark 300 times more powerful than stock because they put a capacitor in the wire. Apparently creating power from thin air.


The same amount of "power" is there - the capacitance of the wire allows voltage to build up longer, and then be converted to current when the voltage overcomes the ability of the capacitor to hold the charge.

Coils do the same sort of thing - convert high current and low voltage into low current and high voltage. Since Power = Voltage x Current, you don't have to "add" power to get higher voltage.

Lannis


OK, I admit it, I'm addicted to brake fluid.

But I can stop any time I want.


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