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Old 12-29-2013, 06:23 PM   #1
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Back firing threw mufflers

Can anyone tell me how the "backfiring" out the exhaust can be achieved. I seen a cobra today that backfired slight flames when switching gears.
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Old 12-29-2013, 06:37 PM   #2
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I would assume his car is running lean and it was caused by the unburnt fuel
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Old 12-30-2013, 07:35 PM   #3
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Free flowing exhaust and a lot of fuel can do it to, my 5.0 with a o/r x and magnapacks used to spit fire like nobody's business!
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Old 12-31-2013, 08:54 AM   #4
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Free flowing exhaust and a lot of fuel can do it to, my 5.0 with a o/r x and magnapacks used to spit fire like nobody's business!
Any other mods that may contribute to back firing
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Old 01-01-2014, 07:24 PM   #5
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Any other mods that may contribute to back firing
I think the main reason was probably just because I had such a free flowing exhaust and my car ran a bit lean.

A car that makes a lot of power is more likely to backfire I suppose, just because of the huge amount of fuel being moved through it.

Honestly if you want to shoot fire, get a flamethrower setup. All they really do is ignite unburned fuel in the exhaust.
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Old 01-01-2014, 08:24 PM   #6
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Is the "flamethrower" setup the same as an Anti-lag system?
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Old 01-01-2014, 08:32 PM   #7
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I dont want to shoot flames. I just want that spark.
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Old 01-01-2014, 08:36 PM   #8
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Back firing threw mufflers

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I dont want to shoot flames. I just want that spark.

Lots of habanero and ghost peppers...

http://www.axdo.net

I'm sure you can get a kit that is just the spark... Why I have no idea. But to each their own.
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Old 01-01-2014, 08:46 PM   #9
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Is the "flamethrower" setup the same as an Anti-lag system?
Totally different.
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Old 01-01-2014, 08:47 PM   #10
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Totally different.

Ok. Because anti lag is crazy. What's a flamethrower set up? I'm not gonna do it, because cops would be all over me.
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Old 01-01-2014, 09:36 PM   #11
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Ok. Because anti lag is crazy. What's a flamethrower set up? I'm not gonna do it, because cops would be all over me.
It's literally a device that creates a spark in your exhaust to reignite the fumes, shooting a flame out of the pipes. It's completely for show and illegal on the street.
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Old 01-01-2014, 11:36 PM   #12
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Back in the "old days" of carburetors, we used to shut the ignition off for a couple of seconds while rolling down the road. When you turn the ignition back on, BAM!!! All of that raw fuel ignites.
Haha. You had about a one in ten chance of a muffler splitting in two...

Those "flamethrower" set ups typically use propane piped into the tailpipe and a spark plug to ignite it.

Generally, when you see a race car shooting flame when letting off the throttle, it's due to the way that the cam is timed.
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