i need help

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b20kid

Junior Member
well I hope im in the rite Form well i wannna doo turbo But my promblem Rite now is the Motor i have, Which is a gsr stock,the only mods i have are aem fuel rail, the new msd sci box. Its smoken like greyish black smoke an wen i clean my Ngk plugs off, I notice they turn black, With alot of black sult even more around the inside of the header an the exhaust ports . i doo my regular oil changes..wat could it be an wat can i doo
 
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