Discussion
Metalman said:
I know it's NGK but not sure of the part number, if you do a quick search you should find the ones Trevor recommends. I think the motorcraft ones aren't meant for the heat/stress of a tuned noble engine and can break up?
NGK Laser Iridium Premium ITR6F13 are reported to work well with a 35thou gap.NGK BR7EFS - leave them gapped as they come out of the box (about 25thou).
Around £2.25 each from these guys
http://www.gsparkplug.com/shop/catalogsearch/resul...
Around £2.25 each from these guys
http://www.gsparkplug.com/shop/catalogsearch/resul...
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