Fireballs out the exhaust... [Archive] - GrandAmGT.com Forum

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zukiracer19
07-13-2009, 07:39 AM
Ok so everytime my car shifts at redline it backfires with a huge pop and a huge fireball shoots out my exhaust... is this because its getting to much fuel or what?

ltpats
07-13-2009, 08:01 AM
Ok so everytime my car shifts at redline it backfires with a huge pop and a huge fireball shoots out my exhaust... is this because its getting to much fuel or what?

That happens to me all the time when I eat Taco Bell !!! lol

SSRacer
07-13-2009, 08:03 AM
I'm guessing you don't have a cat on the car as they are supposed to make flamethrower exhausts not work...lol.

Any kind of fire out the back could be a sign of either too much gas or a cylinder not firing and just dumping the gas out the exhaust, or both

zukiracer19
07-13-2009, 09:07 AM
yea i run the open cutout all the time ^_^ cylinders are firing properly just thinking to much gas

lone_wolf025
07-13-2009, 01:44 PM
Its too much gas. Vehicles that run particularly rich commonly have backfire pops or flames out the exhaust. Rotary engines are particularly prone to this due to how rich they often run.

SikMindz
07-13-2009, 02:49 PM
And you want to fix this because....?

lol

stillriza
07-13-2009, 05:57 PM
And you want to fix this because....?

lol

lol i was thinking the exact same.

post a vid!

PhantomLover007
07-13-2009, 09:09 PM
Too much fuel flowing into the afterburners?????

We're going supersonic Goose.... lol lol

westerndragon
07-13-2009, 09:18 PM
VIDEO!


:worthless

stillriza
07-14-2009, 04:12 AM
Too much fuel flowing into the afterburners?????

We're going supersonic Goose.... lol lol

Now he can acutally drive around and say, "Engage thrusters.."

ltpats
07-14-2009, 07:06 AM
And you want to fix this because....?

lol

Can blow up the muffler

Nick-G
07-14-2009, 12:23 PM
Can blow up the muffler

He's running a cutout.

zukiracer19
07-14-2009, 01:24 PM
ill do a drive by rev so u guys can see with it dark... either today or tomarrow.

cmtapanes
07-14-2009, 02:15 PM
fire! fire! Show us some picture.

RPO3
07-14-2009, 08:44 PM
Yea I want to see this

zukiracer19
07-16-2009, 04:11 PM
Video sucks complete balls, makes my car sound like ****... hahah but u can see the flash,

i just revved it up because i didnt feel like hauling ass down the road to get a ticket. id rather do some noise disturbance :p

http://vids.myspace.com/index.cfm?fuseaction=vids.individual&videoid=60604555

2000 GT Coupe
07-16-2009, 06:15 PM
you just have open cutouts right?
That explains the fire. any time you have high performance you will send small amounts of gas into the exhaust system, and the piping gets very hot, enough to ignite the gas.
if you had full exhaust system the fire would dissipate before reaching the back of the car.

PhantomLover007
07-16-2009, 09:38 PM
I didn't see anything.... ;crap

rocketfast123
07-16-2009, 11:21 PM
look harder, it's a little fire ball

sbart385
07-16-2009, 11:49 PM
look towards the middle of the car as it hits the center of the vid.... took me forever to see it

westerndragon
07-17-2009, 05:24 AM
yeah its not at a very good angle for viewing but you can just barley see it

zukiracer19
07-17-2009, 09:16 AM
everyone says its bright as hell if they are behind me its just a huge flash, sorry my mom is in hawaii so i dont got the camera :<

IanGT99
07-17-2009, 10:18 AM
I'm guessing that using the cutout affects the fuel curves and causes the car to run rich. Be careful running that cutout all the time cuz you could certainly fry some piston rings. Is your little fireball issue a problem? Probably not a huge one. Running the cutout probably allows some air into the front part of the exhaust and the piping would get extremely hot. That means you've completed the trifecta to make fire: air, fuel, and spark. I would agree that you need to take a better video cuz I think it's cool as hell.... lol