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lean sparkpugs

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Old 01-19-02, 06:38 PM
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Question lean sparkpugs
What would the spark plugs look in a rx7 thats running too lean? please help.
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Old 01-19-02, 11:22 PM
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the tips will be greyish or white in color.
black means they are running rich
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Old 01-19-02, 11:59 PM
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Look in the back of any Haynes manual and it will show you. But yes, black is rich, brown is good and white would be not running
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