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08-21-2004, 04:37 AM
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Black crap in tailpipes
The other day I noticed the insides of my tailpipes has black soot inside of it. What can cause this ? To rich or to lean???? timing?
The exhaust is fairly new so this was quickly noticable.Some faint smoke on start up then clears up.No smell of fuel when idling. THX--- Ant. 
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08-21-2004, 04:52 AM
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that is to much fuel lean it out
and if you are only doing short jouneys you can end up with that
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08-21-2004, 05:50 AM
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That is just carbon buildup and will happen on any engine. Even if tuned perfectly, there are times that the engine has a rich mixture....but that is good. When the engine is warming up, when you hit the gas(accelerator pump for carb), and at wide open throttle.
Chris
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08-21-2004, 05:54 AM
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Thanks for the replies.
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08-21-2004, 12:04 PM
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You can look at the inside of your headers to tell if you are running rich or lean. Look just inside them by the heads.
Like TurboS10 said. The tailpipes mean nothing.
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08-21-2004, 06:59 PM
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black soot
[color=yellow][size=2]Doc Here
 Or look at the plugs... Doc [/color][/size]
__________________
Aftermarket Solutions Electronic & Electrical Innovations
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08-21-2004, 08:42 PM
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little sooty inside the chamber---took off header and there wuz the same puff-back looking soot---not much but something.
To Rich I guess? I hate this ****
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08-21-2004, 09:09 PM
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It is too rich if the header is black on the inside.
Buy a vacuum guage to set the mixture correctly if you don't already have one. Plugs aren't very easy to tell if you are running rich or lean overall. They can be contaminated by the idle mixture too easily.
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