Thread: black soot on bumper
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Old Apr 23, 2004 | 06:36 AM
  #11  
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Kai
Rotorphile.
 
Joined: Mar 2002
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From: Richmond, VA
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Originally Posted by Kirwan
Too rich = black smoke
Burning oil = blue smoke
Too rich is a very blue smoke. Oil is a dark blue/black/grey smoke.
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