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    RIVERA RACING RIVERA RACING's Avatar
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    Fzs Svho plugs color....

    How does this plug looks all four are this color.....Click image for larger version. 

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  2. #2
    I think, its normal! Combustion deposits are slight and not heavy enough to cause any detrimental effect on engine performance. Note the brown to greyish tan color, and minimal amount of electrode erosion which clearly indicates the plug is in the correct heat range and has been operating in a "healthy" engine

  3. #3
    RIVERA RACING RIVERA RACING's Avatar
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    Thanks....
    Quote Originally Posted by Jackmcd View Post
    I think, its normal! Combustion deposits are slight and not heavy enough to cause any detrimental effect on engine performance. Note the brown to greyish tan color, and minimal amount of electrode erosion which clearly indicates the plug is in the correct heat range and has been operating in a "healthy" engine

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