LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Too much smoke?

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Old Feb 6, 2008 | 05:29 PM
  #1  
MTBSully's Avatar
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Too much smoke?

Is my 1995 Firebird formula smoking too much? Its not blue so its not oil, but its not a billowing white either so im 99% sure its not coolant. But there is a lot and it kind of lingers. It is cold and wet(35 degrees or so) Is this normal or what? Any ideas? Thanks

http://www.youtube.com/watch?v=feWXbJKpdGQ
Old Feb 6, 2008 | 06:01 PM
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Do you have cats?
Old Feb 6, 2008 | 06:12 PM
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MTBSully's Avatar
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Originally Posted by ssbowtie1
Do you have cats?
yes it has stock headers and cat, just a flowmaster catback.
Old Feb 6, 2008 | 06:14 PM
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It doesn't look out of line to me.
Old Feb 6, 2008 | 06:26 PM
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its called exhaust. your engine does sound weird though. get a daytime video of it since its hard to see.
Old Feb 6, 2008 | 06:30 PM
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FWIW my car does that too, but I have Lt's and no cats.
Old Feb 6, 2008 | 06:37 PM
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Is it always there or just on cold start up? Looked like it was wet outside, probably just condensation in the exhaust.
Old Feb 6, 2008 | 06:51 PM
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Both of my lt1s smoked like that when it was cool outside. It is perfectly normal.
Old Feb 6, 2008 | 08:46 PM
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okay i'll try and get a video in the daytime tommorow. Thanks guys
Old Feb 7, 2008 | 04:19 PM
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heres a video from today. It was about 30 degrees out and this was taken about 3-4min after startup. Now that i think of it it does look pretty normal but i just wanted to make sure.

http://www.youtube.com/watch?v=GubWchmgz1A
Old Feb 7, 2008 | 04:26 PM
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A byproduct of good combustion is water (steam), which is what you are seeing. Looks normal to me.
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