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Exhaust flames question

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Old Aug 11, 2008 | 11:56 AM
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Default Exhaust flames question

Saw a C6 with what sounded like a super charger. Each time the guy switched gears, a short flame went out of his tailpipes. This was at night. Flames were blue, very short bursts. Is this normal for supercharged cars? Or did this guy have something else? I saw this on the highway, so I could not chat the guy up.
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Old Aug 11, 2008 | 03:15 PM
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Its unburnt fuel between shifts. That or you were following a 007 spy and he had rocket boosters.

A popular thing to do with ole 50's hotrods is to install a spark plug in the tail pipe. You rap it up and on decel pop the switch and walla, flames shoot out the pipes like the movie Grease.
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Old Aug 11, 2008 | 03:24 PM
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This is normal with supercharge or turbo if you are not running any cats
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Old Aug 11, 2008 | 04:01 PM
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Originally Posted by HyperX
Each time the guy switched gears, a short flame went out of his tailpipes. This was at night. Flames were blue, very short bursts.
Thats exactly what I want, just havent been able to make it happen!!! I wonder if it's impossible if you have the cats mounted?
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Old Aug 11, 2008 | 04:15 PM
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I wouldn't say its a good thing. We used to catch the paint on fire with the 911s all the time. I could only imagine what would happen to a C6 rear facia.... yikes.
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Old Aug 11, 2008 | 05:11 PM
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I searched the internets. Few vids on youtube and other sites show people with this effect. I would link, but dont want to get banned since all are racing vids. It does seem to be combo of no cats and a supercharger running at higher psi.
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Old Aug 11, 2008 | 05:29 PM
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I wouldn't do it....


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Old Aug 11, 2008 | 08:27 PM
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Originally Posted by k0bun
I wouldn't do it....


damn!!
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Old Aug 12, 2008 | 01:38 AM
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Holy shiet! Thats hilarious.
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Old Aug 12, 2008 | 09:11 AM
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They used to use those little propane tanks piped in also and have CRAZY long flames shooting out (with a sparkplug. Rice and Fast/Furious style!
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Old Aug 12, 2008 | 09:15 AM
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In the above pictures defense, the rotary engines are known to do that (spit flames) with even just an aftermarket exhaust.
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Old Aug 12, 2008 | 09:32 AM
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Here you go !

http://www.eatmyflames.com/

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Old Aug 12, 2008 | 09:46 AM
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I actually had a guy show up with one if the ebay versions of that thing for an install. I said, "um, no I'm not putting that on your Mustang". Lol, I didn't want to be affiliated with the Fast and the Furious. If it were a 49 Merc maybe....
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Old Aug 12, 2008 | 12:27 PM
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Originally Posted by k0bun
I wouldn't do it....


Now that's just too funny
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Old Aug 12, 2008 | 04:38 PM
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Easy - Straight pipes , no cats . You too can spit hot fire !
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Old Aug 12, 2008 | 05:02 PM
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These are the kind we are talkin about. Short and blue. Not those crazy old-school hot rod flames.

http://www.youtube.com/watch?v=Ld_uo19EcnI&NR=1
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Old Aug 12, 2008 | 06:16 PM
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depending on the carb jetting, my rx7 did that too!. but it was really bad with exhaust wrap!
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Old Aug 12, 2008 | 07:29 PM
  #18  
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Originally Posted by k0bun
I wouldn't do it....


Oops.
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Old Aug 13, 2008 | 10:20 AM
  #19  
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thats some funny stuff!

There are a few of us in the GTO crowd that could pop a small flame between shifts at 6k or higher, the similarities between us that could do this had medium to big cams, straight pipes and no cats. and even then it happened 1 out of 5 times. with a S/C i'd bet it would be more prominent.
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