classic motorcycle forum

Motorcycle Discussions => British Bikes => Topic started by: odthing on May 20, 2009, 09:49:16 AM

Title: Help - anyone know about spark plug references?
Post by: odthing on May 20, 2009, 09:49:16 AM

Does anyone know the difference between e.g. a Champion N3C and an N4C? I want to know which runs hotter. Regards, Will

Title: Re: Help - anyone know about spark plug references?
Post by: Justin_Faithfull on May 20, 2009, 12:02:21 PM

Try these internet links: -
http://ngkaz.home.att.net/wsb/html/view.cgi-home.html-.html
http://www.spark-plugs.co.uk/pages/technical/x-ref.htm
http://www.angelfire.com/extreme4/skidoolympique/SPARK_PLUG_CROSS_REFERENCE.htm
http://www.gsparkplug.com/

Title: Re: Help - anyone know about spark plug references?
Post by: TBS on May 21, 2009, 08:58:55 AM

3 is colder than 4. Champions cold 3 hot 5, NGK go the other way

Title: Re: Help - anyone know about spark plug references?
Post by: EAnsu on May 22, 2009, 09:54:18 PM

Quote

Does anyone know the difference between e.g. a Champion N3C and an N4C? I want to know which runs hotter. Regards, Will