1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

so, my car's exhaust smells like ass

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Old 06-20-07, 09:00 PM
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so, my car's exhaust smells like ***

and its not a dying cat. because i have none. is there any sort of cat material in the stock muffler? it's getting worse by the day and i can't stand it anymore =\

any ideas?
Old 06-20-07, 09:10 PM
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Originally Posted by kc-fb
and its not a dying cat. because i have none. is there any sort of cat material in the stock muffler? it's getting worse by the day and i can't stand it anymore =\

any ideas?

What is the chance you have (or had) a nest of rats/mice in the exhaust?
Old 06-20-07, 09:17 PM
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can you describe the smell? mine smells like 20 lawnmowers
Old 06-20-07, 09:18 PM
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*** or gas?
Old 06-20-07, 09:18 PM
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Has your fuel mileage been getting worse? There's nothing in the stock muffler that would make the exhaust smell bad.
Old 06-20-07, 09:33 PM
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not really likely that any mice or anything have gotten in. i've been daily driving the car for a while now, and just out of the blue it started smelling like rotten eggs. the smell of a dead cat, for sure. unless my pre silencer section also has cat like material in it, then i duno.

about the fuel mileage- i duno. nothing really too noticable...
Old 06-20-07, 09:48 PM
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Have you been feeding it burritos?
Old 06-20-07, 10:29 PM
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did you buy any cheap gas recently, possably from a gas station you haven't gone to before?(ie. PDQ, or woodmans) ive noticed that cheap fuel, heavy w/ ethenol tends to smell like sulfur
Old 06-20-07, 11:26 PM
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wow my car's exhaust also stinks, i use regular unleaded costco gas.
anything to stop it from smelling?
Old 06-20-07, 11:35 PM
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nope just been using the same old quiktrip gas i've always been. it has calmed down a bit, i can still smell it from time to time though. could have very well been a bad tank..ihope
Old 06-21-07, 06:21 AM
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the smell of rotten egg is given off when there is unburened fuel left after the power stroke of the engine but you usually get it if you are running rich and still have a cat, you get that rotten egg smell but if you dont have a cat i dont know why is doing that, you might still get the smell if you dont have a cat, or if you are feeding it burritos!
Old 06-21-07, 12:33 PM
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Stop sitting on the carb. That pleasure stud in the middle starts to hurt if the engine shakes too much.

I bet the smell is greatly reduced when driving. I've had that occur on an older thermal reactor type of carb, which was set rich at the factory. Tune your idle mixture. That should reduce the smell. If it's still too smelly for you, learn to love it, or install a direct fire ignition system.
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