Generation III Internal Engine 1997-2006 LS1 | LS6
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Question about engine noises. Please come in!

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Old Sep 18, 2007 | 08:26 PM
  #21  
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Hmmm... So, it's only happened the one time?
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Old Sep 18, 2007 | 09:56 PM
  #22  
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It happened again today when I started the car to come home from work.
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Old Sep 19, 2007 | 08:38 AM
  #23  
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How many miles have you put on it since the H/C work was done? How long before you first noticed this problem? Have you checked the PCV system to see if there's a bunch of oil in it?
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Old Sep 19, 2007 | 02:02 PM
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About 300 miles since H/C work. I have nto check PVC yet but will asap. I just noticed it when I posted.
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Old Sep 20, 2007 | 12:31 PM
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I think it may be running rich. I noticed moist black residue in the tailpipes. It also put out a puff of smoke on startup with it setting for about 30 minutes after being driven.

Any thoughts?
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Old Sep 20, 2007 | 01:41 PM
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The smoke is white, right? If it's black smoke, then it's not oil.
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Old Sep 20, 2007 | 02:26 PM
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The puff seems to be white. What I was saying was that I also have a wet tailpipe that is black inside.
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Old Sep 20, 2007 | 04:14 PM
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my 02 Z28 sounds just like that at startup. I'm going to switch to the german castrol and see how that works........damn that oil is high$$$$$$$$$!!!!
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Old Sep 20, 2007 | 05:39 PM
  #29  
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Originally Posted by BLKWS.6
http://s29.photobucket.com/albums/c2...nsam005avi.flv

^this is rocker arms (louder than mine though) But I bet thats what you hear. Its normal.
Damn need to replace my rocker arms i have the same problem but i think its time with a 98 with 92,xxx miles on it.
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