? about smoke out the tail pipes - Camaro Forums - Chevy Camaro Enthusiast Forum

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Old 06-05-2011, 07:02 PM
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Join Date: Jun 2011
Location: Lubbock TX
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Default ? about smoke out the tail pipes

hey all sorry if this has been asked before but when i start my 91 z28 and let it idle light black smoke comes out the pipes when i give it a good rev and the rpms are up i get a white to a light blue smoke now my thoughts are the heads but im not a mechanic so any input will help please my brother said it could be the injectors but hell i thought i would run it by u all thank you all in advance
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Old 06-06-2011, 09:53 AM
z28pete's Avatar
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Join Date: Aug 2005
Location: North East PA
Posts: 9,177

Black smoke = rich mixture or soot coating being blown out of the exhaust
Blue smoke = oil burner. Blue smoke coasting down in gear = bad valve seals, Blue smoke under power = worn rings, Blue smoke at idle = rebuild engine.
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2000, 2010, black, bluish, camaro, chevy, light, pipe, pipes, smoke, smoking, steam, tail, tailpipe, z28

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