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Cheapest backfire

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Old 08-02-2014, 07:15 PM
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Default Cheapest backfire

Evening all,

This maybe a chavvy question but im interested in the theory behind it, sooo I happened to come across a car meet a few weeks back where a mk6 fiesta (zs maybe) was backfiring shotgun shots even when not particularly revving it.

I know an excess of unburned fuel causes a backfire and the car in question had cheap mods so I can only assume he wasn't using after market management (omex etc).

So my question is how how would you suspect he'd done it? Can you buy chips to allow a little more fuel, advance the timing using adjustable pulley's, bigger injectors, or something else? Are there any repercussions from running more fuel other than killing the cat?

Thanks
Old 08-02-2014, 08:01 PM
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Oranoco
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Fit a launch control kit or WOT box.
Old 08-02-2014, 09:00 PM
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Would ignition flicking work on mk6 fiesta?
Old 08-02-2014, 09:29 PM
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Kirbycossie
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Drive a morris minor down the road. On the over run turn the ignition off for a few seconds then back on. Instant massive back fire and a fucked silencer blown open lol.
Old 08-02-2014, 09:44 PM
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Originally Posted by Kirbycossie
Drive a morris minor down the road. On the over run turn the ignition off for a few seconds then back on. Instant massive back fire and a fucked silencer blown open lol.


This!!!!
Old 08-02-2014, 10:38 PM
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Don't have a clue to be honest, different car but for a clio 197
There is a map called crackle map that gives this affect that's all I know lol
Old 09-02-2014, 04:48 PM
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Kevin_Mc
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How it's done with little to no revs answers the question - a flamer kit. Basically a spark plug in the tailpipe and a can of gas in the boot piped down into the tailpipe as well.

A switch in the cabin lets you shoot a flame out the back and revving it a little gives the illusion that it's shooting out as unburnt fuel.

Not particularly convincing and not very impressive IMHO

Last edited by Kevin_Mc; 09-02-2014 at 04:49 PM.
Old 09-02-2014, 09:16 PM
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This:

Old 09-02-2014, 10:19 PM
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Kevin_Mc
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that's the chap!
Old 09-02-2014, 10:45 PM
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Fucking lol
Old 10-02-2014, 05:57 AM
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