John Morrison Posted March 7, 2004 Report Share Posted March 7, 2004 One you six people will know off the top of your head. Ngk or Bosch spark plugs for a six, what is the number? promused to ask for a six man whose copm is on the blink. thanks in advance, john. Quote Link to post Share on other sites
graeme Posted March 7, 2004 Report Share Posted March 7, 2004 John, For standard road use, NGK BP6ES or Bosch W7DC Regards Graeme Quote Link to post Share on other sites
Tom Fremont Posted March 8, 2004 Report Share Posted March 8, 2004 I'd say BP6ES for early carb TR6 or TR250, BP7ES for P.I. and later carb TR6s. These correlate to Champion N12Y and N9Y respectively ( in case your manual refers to same ). :: Quote Link to post Share on other sites
John Morrison Posted March 8, 2004 Author Report Share Posted March 8, 2004 Thank you gentlemen, will pass the inof. on. john Quote Link to post Share on other sites
GUY BENNETT Posted March 10, 2004 Report Share Posted March 10, 2004 I always see non resistor plugs mentioned. Any reason why we cannot use NGK BP6RES spark plugs? Quote Link to post Share on other sites
jonlar Posted March 10, 2004 Report Share Posted March 10, 2004 I may be wrong Guy, but I believe the resistor plugs are designed to run with modern electronic ignition systems, to kill RFI/EMC radio frequency interference and electro magnetic compliance?. Quote Link to post Share on other sites
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