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Spark Plugs Reading

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Old Oct 19, 2015 | 01:38 PM
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bluenc-87's Avatar
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From: Hickory,nc
Default Spark Plugs Reading

Anybody knows what causes light brown specs on the procelain? Also my ground strap appears to be like a white ashy color. Car is not perfectly tuned yet but still working on it.
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Old Oct 19, 2015 | 01:41 PM
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bluenc-87's Avatar
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From: Hickory,nc
Default Re: Spark Plugs Reading

Also I tried sanding the ground strap with/400 grit and see nothing. Ignition is at 16* and using heat range 6 plugs.

Ls motor
B16 Pistons
Crower 404 Stage 3 cams
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Old Oct 19, 2015 | 04:52 PM
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Muckman's Avatar
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From: Buffalo, NY
Default Re: Spark Plugs Reading

The very top sticky thread in this forum is a good thread about reading spark plugs.
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