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Old 10-10-2010, 01:04 PM
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"Miracle" plugs as I call them as that`s what the company`s want us to believe. The tan color usually indicates normal, but on a blown engine that may not be the case. Because so much metal extends into the combustion chamber of this plug is likely why the plug is so discolored as it`s in the middle of where all the heat takes place. When my father got one for his weed eater and I was later tuning the carb I checked the plug and saw similiar to the same thing so I`d say it`s normal. Being it`s running good then I`d say the plugs are good.
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