Exhaust Flaimes
 

hey i have gutted cats a cat back exhaust and removed ERG Valve and i was wondering why my car only occasionaly shoots flaimes my freinds keep wanting to see the "FLAIMES" but they only accasionaly shoot out. could this be because i have yet to remove mt air pump and acv?? How often do you shoot flaimes

Remove daspots, and the anti afterburn valve ( like disconnect the solenoid) and maybe dissconect the port air solenoid, that will help.

umm you have to induce the flames.

Here is what you do. You rev the car up several times to 5-6k rpms then take it to the buzzer that should get you some large flames. ;)

LOL @ flames on an import car.

dont the daspots make the trottle not go down so fast?? where is the anti afterburn valve?? i dont want to make my car harder to drive or rugpher on the engine just to shoot flaimes its just something fun to do once and a while

Troll alert! :ban:

Anyways, you could always do the spark plug just before the tip of the muffler with a switch in the cabin if you want flames on demand. Do a search and you'll find a writeup on how to do it.

the dashpot makes the throttle come down more slowly, correct. But if you rev it up really high it's dumping fuel into the engine, then if the throttle snaps closed (with no dashpots) it cuts off the air, forcing a rich condition, and that's why it flames.

Seems from what i've seen that RX-7's flame more easily than most cars, do rotaries flame more easily in general than other engines?

no way would i put a spark plug in my exhaust thats gay as hell its sweet that it will do it naturaly. also if i remove the daspots will this have any negative affects??

Why do people join forums just to make fun of stuff? If I was going to go join the supra forums, it would be so i could ask questions, etc, not to go on and make fun of the supra and make up kill stories involving me and a supra (I see a lot of those "kill" stories on here).

???

I didn't join this forum to make fun of anything, I joined to ask questions and to learn stuff about the RX-7. I own a TII and have learned a ton from this board.

I just think it would be funny to see an import car with flames. It seems like more of a muscle car thing to me.

Well my car shoots two foot flames from both pipes :D
I agree that is seems more like a domestic thing but I like my fire breathing Japaneese Dragon don't you all?? :D

You obviously never watched F&TF then. :bling:
I believe they also used the sparkplug in the muffler trick to do the flames in the movie.

If you're gonna start this whole shooting flames thing, the biggest drawback is wasting more fuel as you're try to shoot them. If you don't have emmissions in your area, then just take your cat right out and replace it with a test pipe which should open up the flow more than a gutted cat.

how is it so weard i think its just one of the cool things about a rotory it will shoot flaimes even with no upgrades without cats it would take alot of upgades to get flaimes to shoot from an american car or it just running like crap

Rx-7Blazin

Try what I said. That is how I make mine :D I love doing it to CIBIKs following me. ;) makes them think twice.

Hahhaha, gotta love the flames.

ok but i dont get what you mean do you mean hit it to 5k let off repeat then hit it to 7k form low rpm's or like 5k then when you get to 7 k let off rapidly, slowly or hold it

hehe man my NA shoots flame like crazy as ive been told the first time i was playing around and i was shooting like flames like 4ft long and it was bouncing around the freeway for good 5 seconds they thought my motor blew up hehe. The 2nd time my buddy saw me shoot hella flame when i just downshifted into 2nd to hit 65 he told me flames were past my spoiler and all the black smoke after it made him almost crash hehe damn i love rotarys....:cool:

what??? you shot flames UP? and the flames bounce? 4 foot long? i have seen a BP 12a pop at redline and it just shot shy of 4 foot. :bsflag:

Before you raise the BS flag, I have video of mine shooting 4 foot flames on stock ports with header and open pipes. I'll be posting that video in a few weeks when my summer classes start.

So... Who wants to bet me some pink slips or insanely large amounts of money that 4' flames aren't possible? I'll take all bets no matter how big. (I'll gladly take your money on this one)

oh its possible my car has gutted cats cat back exhaust intake and removed emmisions and it shot 4 mabe 5 ft flaime as i was told by the guy standing next to my car when it did it

Ok the way I was tought to shoot flames:
1 make sure the car is warmed-up(never rev a cold engine)
2 start reving it to 5000 or 6500 rpms letting it drop to about 4k rpms before reving it again
3 after doing step 2 for about 4-6 revs rev it all the way to 7k rpms and let of after the buzzer.

This should provide many small flames and two very large 2+ ft splitsecond flames(impressive ones :D )

note that reving an engine like this could kill it so your on your own.;)

You can also shoot flames on shifts sometimes. I find my car lets off some smaller flames if I hit redline and then shift, get some pops with a bit of orange.

if your motor cant take a couple 5k revs and a redline, then you should just go home

COOL (HUH HUH) FIIIIIIRE! (HUH HUH)
FIIIIRE!

I have an 88, and this is the ONLY flames I wanna see- so I did the pulsation fix.

Are you talking like flame graphics on the side of a car? Because we're talking about literal flames (see above posts).. ^_^

-ZenFox

If you do that while the motor is cold (like he said) please prompty turn the car off and throw your keys far far away.

my desktop
 

hows this for flames? ;) :D

the Autothority 996 TT
http://www.autothority.com/images/wa...in_800x600.jpg

I heard it's better to retard the timing a bit to increase the chance of shooting flames...has anyone heard of this tip or trick and if it is safe or not?

if you've got a turbo II, I'd recommend against screwing with the timing for some silly flames.. is it worth blowing your engine?

Silver I saw a video of that car (or a similar one) on a dyno. The turbos went from not visible to fucking bright bright yellow/white :eek:

Flames
 

If you guys are really worried about screwing up your car just to get flames just put a freaken spark plug in your pipe. My favorite is putting a small fuel injector right in front of the plug with propane or nitromethane or something. Propane and nitromethane don't show up good during the day but at night you get blue and white flames. My preference is the nitromethane you can get it at hobby shops and it gives a kind of ghost look to your car.

Of course if you don't want it to looked rigged just use gasoline.

i would never rig up something (sparkplug or propane, etc) in the exhaust just to get flames. How is that any different from haveing 1 of those fake electronic BOV? i guess it's a F&F thing.

as for inducing flames, the multiple high revs always works. But what also works for me is cruising in 3rd @ 4000-5000 (normal city cruising) and let off the throttle and allow engine braking. Voila! Couple of flames with nice pops. Scares the hell outta that soccer mom next to you. lol

So which model RX is more likely to spit flames with an open exhaust? Like a N/A or a TII?

Just curious.......

I wouldnt put anything on my car to induce flaimes all id want is natural flaims

a friend of mine did the plug trick on his Ford festiva.
its very rusty and very funny.

one question how do you rig up the spark plug thing?? I dont want to do it to my rx-7 but it would be funny yo do it on a junker.

From what I have seen on TV you make a hole in the exhaut pipe and thread it for a spark plug. But most of the kits I seen have some sort of device that makes the car run rich as hell so there is fuel in the exhaust. You rig up a coil to the plug and set it up with a switch or button that you push to make the plug fire. The one kit I saw you had to rev up the engine to like 3k rpms and it shoots like 6 foot flames.

Cool looking but you have to have a spark plug in your exhaust pipes messing with flow and you probably waist a lot of gas doing it.

Santiago

PS- It would probably acheive the best wow effect on a geo metro or something like that. :D

Then let it happen naturally. :)

Bragging about having a car that makes flames is silly anyways, don't you think? Everyone will always want to see it.

I'd prefer to have people tell ME my car shoots flames, rather than the other way around.

Santiago - People who run spark plugs in their exhaust usually run a line of propane into the tip as well.

And for the record, on a geo, it would have the most "Wow, that's gay." factor. ;)

I didn't say that was what I would do. But you have to admit a tiny geo shotting 6ft flames would make you notice it.

I am content with my flames when I shift. ;)

Id say the TIIs are more likely because they run a little richer and plus I get flames everytime I get a bov when I shift because its an open vented style one.

haha yea in no way will i ever rig something that gay on my Rx-7 only if i bought a beater for drivin for gas milage or some shit.

A connection on my distributer rotor was bent and nearly broken off, this was the result.

https://www.rx7club.com/forum/attach...postid=2016145

BAAAAAAAAAAMMM!

Precisely, my engine lost compression as a result. I just figured it idling crazy and missing was a result of cheap plugs and vacuum leaks. Little did i know.

About the flames thing. my car is a 87 n/a no cats(straight pipe ) just put some free flowing mufflers on it.
now whenever I shift at full throttle I get LOUD pops. just accelerating with these mufflers are lout as hell but the pops are defening. Is this flame or just black smoke
I cant tell. Also I am about to install a header as well and I was wondering if that would be TOO free flowing for my car because I have heard about the s4's need some backpressure to open the port acutors. With that said, the muffler shop in my town says those ports are located in the exhaust manifold, so if i put a header in place of the manifold I should have no worries right?. If anyone has done something similar to what I want to do please reply to this or private message me with some good reliable info. my apoligies to the thread starter for getting a little off subject.

turns out im shooting flames after all, small though.

^ did you get your 5/6th ports to open with backpressure?

holy bump batman

you should have asked this question 3 YEARS AGO!!! look at the date people!

BTW there is a write-up on the archives on how to open the aux ports on S4's with the airpump.

and the 5/6 ports are in the lower intake mainfold, NOT in the exhaust manifold Like Sam mention on the previous post.

nevermind haha