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Back fire?

Old Aug 4, 2007 | 06:00 AM
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Default Back fire?

I never saw any tC before that spits un burned fuel out the exhaust and ignite...

But, is it possible for a tC to release flames out the exhaust if you slightly retard the spark timing when you let go off the accelerator and if you don't have a cat-con?

Also, is it possible to get rid of the CEL with the O2 sensor cheater and still pass non CARB smog tests?

Thanks... (If there's a vid please post it!)
Old Aug 4, 2007 | 06:06 AM
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Cats have to be removed, has to go crazy rich on throttle off. Google Bee*R misfiring kit or "bang bang" kit to see some hardware to do this.
Its actually old WRC technology meant to keep turbos spooled up when the driver is off-throttle to prevent lag when they're exiting a corner.
Old Aug 4, 2007 | 06:22 AM
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ive seen turbo tCs backfire. after letting off the gas at high RPMs...POP. backfire!
Old Aug 4, 2007 | 06:26 AM
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No vids???
Old Aug 4, 2007 | 06:28 AM
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god your horrible now you want your car to backfire?
Old Aug 4, 2007 | 06:28 AM
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I know this mod would easily clog the engine but I think this would be awesome if you take the tC out on very crazy mountain roads...
Old Aug 4, 2007 | 06:29 AM
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I don't want this mod I just want to see a video of a tC shooting unburned fuel out the exhaust.
Old Aug 4, 2007 | 06:50 AM
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Originally Posted by forpinks
I know this mod would easily clog the engine but I think this would be awesome if you take the tC out on very crazy mountain roads...
1... i dont know of too many crazy mountain roads in vegas.. 2... i didnt know this was initial D
Old Aug 4, 2007 | 07:00 AM
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Step one is to go turbo, two would be an exhaust the deletes the 2nd cat. You can switch those around if you'd like. I friend of mine has a ZPI stage 0 and exhaust and sometimes a faint blue flame will come out on the 2nd-3rd gear upshift. He never knew til I said something. I woulda had it on tape but its hard to take a corner, hold a cam and shift gears all at one time, maybe next time.
Old Aug 4, 2007 | 08:05 AM
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^^^i like your avatar
Old Aug 4, 2007 | 11:56 AM
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the best part is where your bumper starts to burn. forpinks, why not just take a turkey baster full of gas and squirt it in your tailpipe?
Old Aug 4, 2007 | 05:59 PM
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Originally Posted by monkeysauce
the best part is where your bumper starts to burn. forpinks, why not just take a turkey baster full of gas and squirt it in your tailpipe?


Just go buy a flamethrower kit they use on F&F
Old Aug 4, 2007 | 06:09 PM
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On my way to the track last night my car backfired and alot of smoke came out but no fire. I think you'd need one of those kits but thats kinda impractical and someone will complain when you burn their bumper off.
Old Aug 5, 2007 | 08:39 AM
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One time when i was autoXing accelerating full on up a hill i heard a tiny tiny little backfire. it almost wasnt there. like a girl fart.
Old Jan 10, 2008 | 05:10 PM
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I backfire quite a bit, but I'd like to eliminate that problem. I have a ZPI turbo, but I have an axleback exhaust. I'm getting a 3" turbo back exhaust this month, so hopefully that will end the backfires. Kind of embarrassing to me.
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