I don't doubt your findings at all. I would be interesting to know just what champion plugs were used as there are several different materials being used in the electrodes , plus protrusions of the nose along with extension of the outer electrode distance across the face of the center electrode. You will notice some applications the outer electrode only goes about half way across center electrode. Some people even modify that electrode for race cars etc I have been told. NGK uses a lot of precious (at least higher priced) metals in their plugs from what I understand.
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Today's Featured Article - Tractor Operator Safety - Loader & Backhoe Operation - by Staff. Loader Operation Do not transport anyone in the loader bucket. Always carry the loader bucket low for maximum stability and visibility, whether the bucket is loaded or empty. Always use the recommended amount of counterweihting to ensure good stability. Be careful when handling large objects such as round bales, logs,
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