John,
I've been running Renesis (irridium) plugs in my 20B with good results. Of course, they're about 5 times the price of the standard plugs. But if they last 5 times longer, I feel that they are worth the price.
Mark S.
On Tue, Jul 7, 2009 at 9:05 AM, John <downing.j@sbcglobal.net> wrote:
Ed, it appears to me that the NKG report is suggesting that we use hotter spark plugs, has anyone tried this. JohnD
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