C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Pooping exhaust ?!

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Old May 15, 2002 | 06:14 PM
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Default Pooping exhaust ?!

I got som pooping in the exhaust on idle. Like som small small back fire. Nothing to worrie about?
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Old May 15, 2002 | 06:42 PM
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Default Re: Pooping exhaust ?! (devilfish)

tt :rolleyes:
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Old May 15, 2002 | 07:03 PM
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Default Re: Pooping exhaust ?! (devilfish)

Check for exhaust leaks.
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Old May 15, 2002 | 07:21 PM
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Default Re: Pooping exhaust ?! (Vette92)

Whats the best way to found exhaust leaks?
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Old May 15, 2002 | 10:03 PM
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Default Re: Pooping exhaust ?! (devilfish)

Honestly, put it on a rack and while at idle just walk underneath it and you'll know if you have any..... :yesnod:
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Old May 16, 2002 | 12:48 AM
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Default Re: Pooping exhaust ?! (ittlfly)

Just fire it up when it's cold out and you will see even the smallest pinholes. :cheers:
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Old May 16, 2002 | 11:00 AM
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Default Re: Pooping exhaust ?! (vettl83)

Pooping or popping?
There is a difference!
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Old May 16, 2002 | 12:00 PM
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Default Re: Pooping exhaust ?! (DAC)

Pooping or popping?
There is a difference!
...???...

I was wondering what got censored... :D

How about your catalytic converter(s)??? Are they good??? A clogged cat (here we go again!) will cause backfires, stuttering, erratic idle, low top speed, stalling, etc...
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Old May 16, 2002 | 12:02 PM
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Default Re: Pooping exhaust ?! (devilfish)

Whats the best way to found exhaust leaks?
You could try goosing it in N at night...Look for sparks...(That is, have your friend goose it while you lay down and look)...
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Old May 16, 2002 | 12:03 PM
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Default Re: Pooping exhaust ?! (Rich B.)

well its popping.. And wount a bad cat smell funny?
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Old May 16, 2002 | 12:05 PM
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Default Re: Pooping exhaust ?! (DAC)

If an exhaust leak is bad enough, you will actually hear it. Sounds like a ticking noise that follows the engine speed. It is easier to locate using a vacuum extension (hard plastic tube) and listen through it while the car is running and you are pointing it down the exhaust. It will let you pin point any leaks. They will sound lie a little drum through the tube whereas it will be pretty quiet where there are no leaks.

Chris
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