2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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Old 11-08-07, 08:54 PM
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Roxann7

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Backfire

Is this a good thing? I see alot of RX-7s have backfire. Is this good?


If it is, how do I do this? =]
Old 11-08-07, 08:56 PM
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getcha brap on

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Yeah they run really rich, most with opened up exhaust will do it, especially ones with large injectors, one of the perks of owning a rotary. Flames are fun
Old 11-08-07, 09:06 PM
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Blazin' 87 N/A

 
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it is a great tailgater pisser offer!! someone tailgating you?? burp some flames and they usually back off....way off!!
Old 11-08-07, 09:08 PM
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Roxann7

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Your responses put a huge smile on my face.

So how would I go about doing this?

(also, how do I get that bad *** sound that it makes)
Old 11-08-07, 09:15 PM
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Blazin' 87 N/A

 
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to start take out your cats and put in a straight pipe!! then rev the engine out to the redline and pump the throttle at the redline and let the fun begin!! well idk if that is the way most do it but that is how i have had flames shoot out of my car before!!
Old 11-08-07, 09:18 PM
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Roxann7

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How do you get that nice rattle noise though?
Old 11-08-07, 09:31 PM
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Blazin' 87 N/A

 
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not sure what you mean!! do you know of a vid on youtube or what ever that you can post here to better explane what you mean by "rattle noise"?
Old 11-08-07, 09:43 PM
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ok

I want a really bad *** flame like this:
http://www.youtube.com/watch?v=YRa63iE2Rdg

but I want a sound like this:
http://www.youtube.com/watch?v=0GsNdHej1qM
Old 11-09-07, 01:32 AM
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Well the first one is easy to do. Get an N/A rx7 put a straight pipe exaust (e.g. racing beat true duals or some rediculous crap) and drive. Having a bigger port makes it a little easier i guess ( i run a blown street port with true duals and get pretty lil flashes)

The second one however may be just a little different as it is a Series 6 (FD) and has twin turbo. I've only ever seen 2 fd's shoot flames like that, 1 is that one that was recently ranked number 1 on youtube (you can find it in the AV section of the forums) and the other one is from some dude in puerto rico on a drag strip but he has some kind of rev limiter that allows him to stop on the gas and not redline while the clutch is in.
Old 11-09-07, 01:33 AM
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Flames are where it's at.
Old 11-09-07, 09:37 PM
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would I be able to do that with turbo?
Old 11-09-07, 09:40 PM
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oh yeah, major. You should see the ones that come out of my thermal reactor equipped 80 model, big shotgun sounding blasts of flames at night. Really fun, but you have to be careful of old people, you could give them a heart attack Check out some of the FDs on streetfire, insane flames
Old 11-09-07, 10:31 PM
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The FD had a 2-Step controller, at least that's what it sounded like. And you can shoot better flames than the tardo in the first video
Old 11-09-07, 11:13 PM
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the fd either had a 2-step or just an ignition cut rev limiter. both do the same thing, 2-step is just.. programmable lets say.
if you were sitting next to the car in the second video, you would think someone was shooting at you. it is LOUD... and pretty harsh on your turbo. stick to just regular ol flames like in the first vid and your car will last a lot longer, and people won't shoot back at you
Old 11-09-07, 11:15 PM
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Yep 2-step eats compressor wheels.
Old 11-09-07, 11:17 PM
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lol, it didn't sound too loud to me, but I guess that'd be a good idea. So basically what I have to do to make it shoot fire is just put a straight pipe?
Old 11-09-07, 11:32 PM
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my car maybe has a coolant seal problem, so everytime i try to backfire it shoots nothing but massive loads of white smoke but it does make the POP but still haha.. -_- no fun for me
Old 11-09-07, 11:51 PM
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If you read the comments on the FD, it clearly says he is using a 2-step. It is only possible with a standalone EMS, and it is very bad for the turbo. Look up J-rat's posts about his runs at the strip, he has a 2-step as well.
Old 11-10-07, 04:32 AM
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atmospheric BOVs tend to increase the backfiring too
Old 11-10-07, 07:43 AM
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Bridgeports shoot MONSTER flames. Cant wait to see what it'll do with a stand alone...
Old 11-10-07, 12:47 PM
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haha i got some really sweet flames last night, i shifted hard between 2nd and
3rd at around 7900 and i could actually see them out my rear view.
Old 11-10-07, 01:04 PM
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Originally Posted by sp00led
haha i got some really sweet flames last night, i shifted hard between 2nd and
3rd at around 7900 and i could actually see them out my rear view.
pics! lol
Old 11-10-07, 10:28 PM
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Basically just remove your cats and go with a straight pipe/presilencer and midpipe combo. Having a dual or single muffler doesnt matter, I dont think. Just rev to like 6000 or so a couple times and it should happen eventually. Only problem with this is you might not pass your local emissions test. But thats up to you. Flames/backfire noise = Cops. But dont let that get you down ;D




EDIT: Pre-silencers will still give off flames right? And he main thing is no cats right?
Old 11-10-07, 11:05 PM
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excess fuel igniting in the exhaust is never a good thing. they look cool though
Old 11-10-07, 11:35 PM
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break a couple seals and trash a housing or two and you can blow big flames.... just mash the pedal and wait 30 secs to get to redline and the fun begins when the car is on fire though use sand or dirt not water...water makes oil fire spead


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