Thread: spark plug help
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Old 08-19-2009, 09:36 PM
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Danr55 Danr55 is offline
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Cobra Make, Engine: Contemporary Classic, 428 FE CCX 3069
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Start with one that will dial down the mixture. Sounds like it's running way too rich. THey should run tan to dark brown. I run NGK. If it has an electronic ignition, don't run platinum plugs as it will redistribute the platinum.
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