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09-17-2012, 11:03 AM
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#1 |
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J1NX
Drives: 2010 2LT RS RJT Manual Join Date: Jul 2012
Location: NH
Posts: 6
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Small backfires
I drive a 2010 2LT RS manual with about 20k miles on it. I have noticed that she "pops" through the exhaust almost like a small backfire. This seems to happen when the car is warm rather than cold, strangely enough. Were this a carburated car, I would assume a too-rich mixture. I can't imagine my milage is the better for this issue!
Has anyone had anything like this? |
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09-17-2012, 01:50 PM
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#2 |
 
Drives: 2010 IOM 2SS/RS Join Date: Feb 2012
Location: Brampton, Ontario
Posts: 351
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Do you mean a deceleration popping, like you hear popping sounds from the exhaust during deceleration. If so then this is normal and like music to my ears
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09-17-2012, 01:53 PM
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#3 |
        
Drives: 2012 2SS/RS Convertible Join Date: Aug 2012
Location: SoCal Baby...
Posts: 2,530
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yeah decel popping is normal, I love the sound on my motorcycle, can't hear it with stock exhaust, I need to fix that problem..
it's the sound that lets people know there is a bad ass V8 in there. |
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09-17-2012, 02:00 PM
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#4 | |
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J1NX
Drives: 2010 2LT RS RJT Manual Join Date: Jul 2012
Location: NH
Posts: 6
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Quote:
 This is happens while idling at a stoplight, parking, etc.
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09-18-2012, 11:22 AM
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#5 |
  
Drives: 2010 Camaro 1LS 3.6 LLT V6 325 HP Join Date: May 2009
Location: LS
Posts: 4,242
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Edit: I smell a troll.
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2010 Camaro Auto, Inferno Orange, Titanium Interior, Gearhead Wheels AIRAID CAI
 Last edited by TooCool5; 09-20-2012 at 10:32 AM. |
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09-18-2012, 07:31 PM
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#6 |
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Drives: 2ss & ZL1 Join Date: Oct 2010
Location: wisconsin-Miwaukee
Posts: 675
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hahhhaha^
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09-19-2012, 10:51 PM
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#7 | |
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Rockin' Steady
Drives: 2010 Camaro 2SS Join Date: Apr 2012
Location: Timmins
Posts: 216
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Quote:
To most people this is called "decel pop". Unless your misfiring like a bastard but I really doubt this is the case, this probably happens on deceleration and warm start ups. To keep things simple this "pop" happens when your car creates vacuum, vacuum is created from the moment you start your car until you shut it off, and even then vacuum will still be present inside the engine, booster etc... vacuum decreases as you open your throttle from closed to wide open, the most vacuum present inside your engine is when you make a huge first gear pull to 5-6000RPM and you let off the gas. I can get wayyy more technical on vacuum but this is all you need to know. If you try a huge first gear pull, listen to the exhaust decel pop, its not as prominent with a factory exhaust but its still there and let us know if its the same noise.
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Eric Carrier, proud GM Technician for over 10yrs.
2010 Camaro 2SS Black, L99, SLP headers, GMPP axle back, complete JRE tune, 22" Boss 337's, Nitto Invos 5% tint, Eforce Supercharger w. 3" pulley, ADM FPCM, ID850's, JRE fuel rail mod, Eforce CAI, Moroso catch can, spark plug insulators. |
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09-19-2012, 10:54 PM
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#8 |
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Silver Surfer
Drives: 2011 Camaro LS M6 Join Date: Aug 2011
Location: Memphis, TN
Posts: 327
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Do a muffler delete and you will hear it more often. I love it.
Sent from my DROID RAZR using Tapatalk 2
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SLP Loudmouth 1 Exhaust / Magnaflow Resonated X pipe / 22 Inch AAC Dynamic Scanner / Reverse Rally Stripes / LS badges (emblempros.com) / Gill Decals / Flat Black SS Rims / SS Rear Diffuser / Flat Black Spoiler / Heritage Grill / Custom Painted Tail Light Bezels / Custom Painted Engine Cover / Plati Dipped Trunk Lid
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