I think Big fred hit it on the nose......Personally I often use a LITE coat of neversieze on spark plug threads(( usually where the plug is in a spot that is a bit-h to get to or the machine sets outside and water can pool around the plug))) and have never had a problem the engine running afterwards. This looks like a case of simply using way too much. Even then I don"t understand why the plug body didn"t ground to the block as the antisieze used looks like the type with copper in it so you"d think it would have acted as a conductor and not an isulator. To carry the thought a step further you stated the plugs were TIGHT. Typically overtightening a plug will cause internal damage to the plug that will prevent it from firing. It"s not so much the plug not grounding as it is the "circuit" gets broken internally and the plug is essentially dead wether it"s grounded or not. I"d be curious to test continuity between the electrode at the bottom of the plug and the wire connection at the top and see what the deal is there....
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Today's Featured Article - Show Coverage: Godfrey, Illinois Country Days - by Cindy Ladage. Except for last fourth of July's Old Gold show in Springfield, Illinois, I don't remember when it was so hot. Nevertheless, the heat didn't keep vendors and visitors alike from enjoying the third annual Country Day's Event. Jane Elliott said the event was originally a one man show. "Barry Seiler, owner of Country Town Farm Supply store used to invite people up to the Johne Deere store. He would give hats and a free meal for everyone that brings a tractor." Elliott said while this
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