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How to make back fire

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Old Dec 4, 2011 | 11:38 AM
  #21  
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Originally Posted by haljensen
A belch or a fart is still passing gas?

Can you light a belch?
I know one of them can be ................
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Old Dec 4, 2011 | 11:40 AM
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Originally Posted by saplumr
Yup...and then plan to replace the exploded mufflers!
30 years ago my brother broke his 68 Chrysler's timing chain doing this....
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Old Dec 4, 2011 | 07:01 PM
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Originally Posted by haljensen
Want impressive backfires? Get an older car with a carburetor and a manual trans, run it up in second, turn the key off, pump the gas a few times and then turn the key back on. Can even cause flames to shoot out the mufflers.
Hoo boy did we used to do this all the time in high school. The flame can be several feet long. Can scare people behind you.

You can do it with an auto trans just fine, put it in 2nd gear, turn off key, pump away...turn on key, BANG!

Turns out not only can you blow the muffler up (check) but you can actually blow a head gasket too (check).

Last edited by Joe_G; Dec 4, 2011 at 07:04 PM.
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Old Dec 4, 2011 | 11:18 PM
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Originally Posted by hippypink
K, pulled it. It's in my garage, but really didn't notice any difference in sound. I verified that I pulled the right fuse while looking at the chart (bottom right fuse). Anyways
Hippy no post profile info so we no can help Hippy. You might not have NPP exhaust?
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Old Dec 5, 2011 | 08:51 AM
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Default NPP Easy to identify

All he has to do is look at the mufflers. If he doesn't have the vacuum actuators mounted on the top of the exhaust pipe coming out of the muffler cans just behind the exhaust tips then he doesn't have the NPP system.
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Old Dec 5, 2011 | 11:33 AM
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Originally Posted by MikeyTX
And there may even be some on here that haven't the foggiest of what a carb is.


You mean everyone doesn't know what a controlled fuel leak is?



OP, there are things in the tune you can do to introduce more popping/gurgling out the back.
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Old Dec 6, 2011 | 11:49 AM
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Originally Posted by haljensen
Want impressive backfires? Get an older car with a carburetor and a manual trans, run it up in second, turn the key off, pump the gas a few times and then turn the key back on. Can even cause flames to shoot out the mufflers.
Been there, done that...blew the mufflers like sticking dynamite in a soup can.
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Old Dec 6, 2011 | 04:15 PM
  #28  
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<--Healthy cam, 1 7/8" long tubes, no cats, SLP cans.... lotsa decel fire/crackle. I should get a vid, actually. Hmm, may do that one soon.


And what the heck is this 'carb' thing you guys keep talking about?? I thought that Atkinson guy eliminated those a few years ago with that diet of his.


Last edited by SlickShoes; Dec 6, 2011 at 04:20 PM.
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Old Dec 6, 2011 | 07:04 PM
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[QUOTE=SlickShoes;1579402127
And what the heck is this 'carb' thing you guys keep talking about?? I thought that Atkinson guy eliminated those a few years ago with that diet of his.

[/QUOTE]

Atkinson had it wrong, the more carbs the better. Three twos give you 6 barrels of carbs, two fours give you 8 barrels.
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Old Dec 6, 2011 | 11:33 PM
  #30  
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Originally Posted by hippypink
The other posts are about stopping back fire, but lots of Ferraris and Lamborghinis do this, and you could probably consider it a feature.

e.g. http://www.youtube.com/watch?v=v1KN_kOzvVg

Is this something people do to their vettes ever? esp. z06

Obviously, backfire can be accomplished a few ways, some better than others.
A nice axle back exhaust will give you some noise on decel
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Old Dec 7, 2011 | 07:58 PM
  #31  
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just stop by a "Blagojevich" type of tUnEr here in New York for a tune and I'm sure your car will backfire

or just get Borla exhaust
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