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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 02-08-2011, 10:21 PM   #1
andrewb_olson
 
Drives: 2011 2SS RS Black 6-spd
Join Date: Nov 2010
Location: Camden, AR
Posts: 2
Smoking Exhaust

I've searched and couldn't find anything on this.

I recently put a complete JBA system (Long tubes, 3" cat, and 3" cat-back). I love the sound but i've noticed that every now and then my car smokes when I rev it. I've had the exhaust for about 2K miles and it still does this. I've also seen a decrease in fuel mileage and it smells like its running a little rich. I have no other mods right now.

Does anyone know what could be causing this and a possible fix? I'm planning an intake and tune that was supposed to happen along with the exhaust but my hand was pushed with the exhaust when someone ran into the bumper and bent the stock exhaust.

Thanks,
Andy
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Old 02-08-2011, 10:55 PM   #2
VADER SS L99


 
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Drives: 2010 Camaro SS L99
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Sorry to tell you this but I dont think its your exhaust. It is either from blow by or some type of liquid getting into the combustion chamber. If its kinda black smoke then it could be blow by meaning a little oil is getting past the piston rings and into your combustion chamber. If it is a lighter colored smoke then it could be from some type of water getting into the combustion chamber. Hopefully the water is not from a leaking head gasket. I really hope it turns out to be neither of those things but I would have it checked out.
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