Re: 2-stroke vs 4-stroke spark plugs;am I dreaming

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July 9, 2015 at 12:13 am #19697
chris-p
Participant

    I file the J6C or J4C plugs electrode back a bit, essentially making a J6J like the old days. Not sure if its in my head, but they seem to run better like that.

    Now, on a side note, I have not read this pencil trick!? Can anyone elaborate on that?