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Author Topic: What are these plugs telling me?… and other questions!  (Read 9942 times)

Offline Trigger

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Re: What are these plugs telling me?… and other questions!
« Reply #30 on: August 31, 2023, 02:25:55 PM »
Steel  ;) stainless and brass is too soft for the job  ;)
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Offline Matt_Harrington

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Re: What are these plugs telling me?… and other questions!
« Reply #31 on: September 01, 2023, 06:47:14 AM »
Er, do you mean stainless steel? or mild steel?  ???
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Matt
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Offline Trigger

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Re: What are these plugs telling me?… and other questions!
« Reply #32 on: September 01, 2023, 07:56:20 AM »
They are carbon steel. On my packet the grade is 12L14.  ;)
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Offline Matt_Harrington

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Re: What are these plugs telling me?… and other questions!
« Reply #33 on: September 01, 2023, 08:18:24 AM »
Ah, low carbon steel - thanks
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Matt
___________________________________
CB400F 1976 -  Almost finished
CB400F 1977 - On the road!
Moto Guzzi Le Mans 2 - 1981 (undergoing a spruce up)
CD175 - To be restored
Triumph Speed 400
BMW F800GT

Offline Trigger

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Re: What are these plugs telling me?… and other questions!
« Reply #34 on: September 01, 2023, 08:31:24 AM »
The ones you use for spark plugs are copper plated to seal better on the spark plug. If you need a taper seat insert it comes with a sliver plate  ;)
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