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Mustang 2013 GT Pops and Bangs

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Old 03-20-2018, 07:39 AM
  #1  
abdullahamir
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Default Mustang 2013 GT Pops and Bangs

Hi guys, I have an SCT Tuner X4 for my 2013 GT.

I would like to make it pop and bang similar to how huracan does on deacceleration or downshifts.

Something similar to what
guy has done to his BRZ.

Is it possible to do a similar tune to Mustang as well?

Thanks!
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Old 03-20-2018, 02:18 PM
  #2  
Derf00
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No mustang tuner with any credibility will offer something like this if there is any chance that it will damage the motor (which there is). You can tinker with the timing and AFR if you want but that's on you.

Backfires themselves are a sign that there is a timing or fuel issue. A Lambo is a super car with very different timing and fuel requirements than most street cars so it's designed to handle that type of "problem"
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Old 03-20-2018, 03:12 PM
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08'MustangDude
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SO, you want your Mustang to sound like a ricer?

Backfiring will eventually cause valve failures, NONE of it is good for the car, ANY car.

Backfiring on deceleration:
The other type is gas fumes igniting in the hot exhaust, but that also means a
lean fuel mixture. What happens is that the mixture leans out enough to where it
fails to ignite consistently. This, in turn allows some unburned fuel to get into the
exhaust pipes. Then, when the engine does fire, these unburned gasses are ignited
in the exhaust pipe, causing the backfire. That back pressure will effect the next cycle.
This could result in incomplete extraction, irregular charging with the fresh mixture, and
overheating. In addition, valves are not designed to seal against pressure from the back,
thus a broken valve, or rattling around in the combustion chamber is a real possibility.
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Old 03-20-2018, 04:52 PM
  #4  
abdullahamir
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Hi guys,

Thanks for your responses

So, as I understand its bad for the engine. So
guy doing backfire on his 2016 Mustang is bad as well?

Also, I have seen a lot of these ghost cam tunes are they safe?
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Old 03-20-2018, 05:32 PM
  #5  
08'MustangDude
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Ghost cam tune: https://www.v6mustang.com/threads/gh...m-tune.278069/

In a lot of cases, you have you have to run rich, and remove the cats. Removing the cats
is illegal in every state, federally. The hot catalysts will burn the fuel before it can
flame out the back.

We used to use what is called "Afterburners". I hear them being called a Flame Thrower
kit. You basically install a spark plug into the exhaust that will ignite any gas fumes
in the exhaust. However, that can shoot flames as far as 30 feet. It's not the same as
an actual performance car doing it, but it can be done.

Performance wise needs a tuner, and timing adjustments. Most need an open flash tablet,
or other PC based tuner that has very detailed editing of timing and fuel mixture curves.

Again, the explosive back pressure will effect the next cycle. This could result in incomplete
extraction, irregular charging with the fresh mixture, and overheating. In addition, valves are
not designed to seal against pressure from the back, thus a broken valve, or rattling around in
the combustion chamber is a real possibility.
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Old 03-20-2018, 05:37 PM
  #6  
abdullahamir
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Originally Posted by 08'MustangDude View Post
Ghost cam tune: https://www.v6mustang.com/threads/gh...m-tune.278069/

In a lot of cases, you have you have to run rich, and remove the cats. Removing the cats
is illegal in every state, federally. The hot catalysts will burn the fuel before it can
flame out the back.

We used to use what is called "Afterburners". I hear them being called a Flame Thrower
kit. You basically install a spark plug into the exhaust that will ignite any gas fumes
in the exhaust. However, that can shoot flames as far as 30 feet. It's not the same as
an actual performance car doing it, but it can be done.

Performance wise needs a tuner, and timing adjustments. Most need an open flash tablet,
or other PC based tuner that has very detailed editing of timing and fuel mixture curves.

Again, the explosive back pressure will effect the next cycle. This could result in incomplete
extraction, irregular charging with the fresh mixture, and overheating. In addition, valves are
not designed to seal against pressure from the back, thus a broken valve, or rattling around in
the combustion chamber is a real possibility.
Thanks for the link and for answering my question

One last thing. Is it safe to use MSD 2 Step module?
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Old 03-20-2018, 05:51 PM
  #7  
08'MustangDude
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You have a manual transmission, right? They don't work with Automatics.

They're just for launch control.
http://www.dragzine.com/tech-stories...ng-gt-project/
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Old 03-20-2018, 06:02 PM
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abdullahamir
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Originally Posted by 08'MustangDude View Post
You have a manual transmission, right? They don't work with Automatics.

They're just for launch control.
http://www.dragzine.com/tech-stories...ng-gt-project/
Oh! I have an automatic Damn!
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Old 03-20-2018, 07:27 PM
  #9  
danzcool
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Backfires are bad for the engine/valves/intake plenum. But pops out the back are unburned fuel being ignited in the cats. This is usually the result of running a rich air/fuel mixture. This is actually considered a good thing when racing or running high boost as it reduces the chance of pre-detonation (and gives you an audible confirmation that you are not running lean)... which would result in an actual backfire.
(backfire is technically when the fuel explosion goes back into the intake system).
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Old 03-21-2018, 04:15 AM
  #10  
abdullahamir
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Originally Posted by danzcool View Post
Backfires are bad for the engine/valves/intake plenum. But pops out the back are unburned fuel being ignited in the cats. This is usually the result of running a rich air/fuel mixture. This is actually considered a good thing when racing or running high boost as it reduces the chance of pre-detonation (and gives you an audible confirmation that you are not running lean)... which would result in an actual backfire.
(backfire is technically when the fuel explosion goes back into the intake system).
Hi, I am just looking for pops on deacceleration or downshifts.

So, I can get a tune specifically for that?
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