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Why are my spark plugs this color?

Bubbleguinea
in Engine & Drivetrain

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Posted
comment_125927

<img src="http://memimage.cardomain.net/member_images/9/web/669000-669999/669670_88_full.jpg"></img>

is that right?

they are gapped at .05 cause of the ZX upgrade and MSD coil....should i gap them at .04-.045?

im concerned about the black ring around the outside.

all new sensors, new AFM, new injectors, new everything, and 5000miles on the rebuilt engine... i cant seem to figure this darned tuning thing out. UGH!



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