auszookers.com :: View topic - Flames from exhaust

are you for real? that is cooler then the coolest thing ever. if ya find out what causes
it can ya post up a how to?

That wouldn't be ye old spark plug in the exhaust trick is it?

http://www.youtube.com/watch?v=-YiU-nwZ ... re=related

My rotar does that. Brings the coolness. Started a grass fire once. That was pretty fun.

I would say check your timing, Air fuel ratios, spark and injectors. I'm sure that is caused by fuel being dumped through the exhaust.

I have some bigport 4age injectors here if you need to test them.

are you running the latest in anit-lag technology, like that WRC cars?

that is cool, but it can't be good for the motor or you cat converter.

I think Gwagen is on the money. I don't know how the Age injectors are, but this can happen to a vit TBI system when the O-ring or seal goes bad, it pumps fuel right down the throttle body.

Is it possible your high pressure pump is overpowering the injectors?

How is your fuel return line setup, and what are you using for a return?

skyman wrote:

Return is 5/16 stainless from a 2l surge tank

As for the h/p pump over powering injectors makes a bit sence and could be possible as Im not running a fuel pressure regulator

You haven't recently had the fuel tank/system out? Had any rocks/logs jam up under the car? is it possible the return fuel line has become crimped? That would up the fuel pressure heaps.

Getting any trouble codes?

IMHO it's got to be base fuel pressure or a sticking injector.

Steve.

Author:	Kermy87 [ Sat Sep 10, 2011 10:42 pm ]
Post subject:	Flames from exhaust
Hey guys, been rackin my brains for the last few days, kermys been spitting 2ft flames from the exhaust and as cool as it seems I don't want to BBQ cars behind me, never used to do it at all until a day or 2 ago, Here's a bit of dogey iPhone video http://www.youtube.com/watch?v=bugIlY5ayek Any ideas I'm running a 4age 20v with a bosh inline h/p fuel pump

Author:	shep [ Sat Sep 10, 2011 10:44 pm ]
Post subject:	Re: Flames from exhaust
are you for real? that is cooler then the coolest thing ever. if ya find out what causes it can ya post up a how to?

Author:	hutch [ Sat Sep 10, 2011 10:44 pm ]
Post subject:	Re: Flames from exhaust
baaahhhhaaaa! are you running per ethanol? Take it to the tracks...lol

Author:	cooo [ Sat Sep 10, 2011 10:45 pm ]
Post subject:	Re: Flames from exhaust
is it misfiring? that could cause a buildup of fuel in the exhaust. it looks gangsta anyway

Author:	hutch [ Sat Sep 10, 2011 10:46 pm ]
Post subject:	Re: Flames from exhaust
vid wont work 4 me

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Author:	buzbox [ Sat Sep 10, 2011 10:46 pm ]
Post subject:	Re: Flames from exhaust
shep wrote: are you for real? that is cooler then the coolest thing ever. if ya find out what causes it can ya post up a how to? you need to stay away from open flames.

Author:	Kermy87 [ Sat Sep 10, 2011 10:47 pm ]
Post subject:	Re: Flames from exhaust
Running sweet as, no misfires thats what's concerning me

Author:	Kermy87 [ Sat Sep 10, 2011 10:50 pm ]
Post subject:	Re: Flames from exhaust
I only noticed it as I saw a strange ominous orange glow from the rear on the highway the other night

Author:	Kermy87 [ Sat Sep 10, 2011 10:52 pm ]
Post subject:	Re: Flames from exhaust
shep wrote: are you for real? that is cooler then the coolest thing ever. if ya find out what causes it can ya post up a how to? No ethanol, just 98 octane, if I do find the cause I'll let u know

Author:	Gwagensteve [ Sat Sep 10, 2011 10:53 pm ]
Post subject:	Re: Flames from exhaust
The video isn't playing. I'd be a bit concerned you have a sticking injector - there is no way on a stationary car there should be enough excess fuel lying around to cause a flame, especially with EFI. It might happen if you snap the throttle shut from high revs/high load, but no way when free revving. If it's a sticking injector you need to get it sorted quick - if could flood the motor and hydraulic it. Maybe a misfire, but it would have to be an epic missfire. I was at the Pines Enduro last weekend and the top buggies flatshift - a momentary ignition cut whilst they slam the gear through. Even at 8000rpm and 800HP they don't flame on the shift, but t hey do flame on overrun. PS are you running a toyota computer? Steve

Author:	Kermy87 [ Sat Sep 10, 2011 10:58 pm ]
Post subject:	Re: Flames from exhaust
I've changed the link try that

Author:	buzbox [ Sat Sep 10, 2011 11:08 pm ]
Post subject:	Re: Flames from exhaust
That wouldn't be ye old spark plug in the exhaust trick is it? http://www.youtube.com/watch?v=-YiU-nwZ ... re=related

Author:	Kermy87 [ Sat Sep 10, 2011 11:12 pm ]
Post subject:	Re: Flames from exhaust
buzbox wrote: That wouldn't be ye old spark plug in the exhaust trick is it? http://www.youtube.com/watch?v=-YiU-nwZ ... re=related I wish, no in all seriousness it's real and I'm up for any ideas as to what it may be to rectify the problem

Author:	sogone [ Sat Sep 10, 2011 11:29 pm ]
Post subject:	Re: Flames from exhaust
My rotar does that. Brings the coolness. Started a grass fire once. That was pretty fun.

Author:	Shansh [ Sun Sep 11, 2011 12:53 am ]
Post subject:	Re: Flames from exhaust
either way i love it, i had a TT600 that used to do this, sorry mate i never bothered finding out what did it to that either, used to freak the horses and cattle i had on my place when it went off though

Author:	Kermy87 [ Sun Sep 11, 2011 12:59 am ]
Post subject:	Re: Flames from exhaust
I'm not running an afternarket furl press reg, It probably has one built into the fuel rail one the engine I don't know Yes it does flame condinuisly kruzin if it given the berries round 6500 rpm. And IT has NEVER done this and ran like the clappas for the past year and still does, no power diff what so ever This is my concern

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Author:	Kermy87 [ Sat Sep 10, 2011 11:30 pm ]
Post subject:	Re: Flames from exhaust
sogone wrote: My rotar does that. Brings the coolness. Started a grass fire once. That was pretty fun. I've just moved rural and really don't need that

Author:	buzbox [ Sat Sep 10, 2011 11:32 pm ]
Post subject:	Re: Flames from exhaust
I would say check your timing, Air fuel ratios, spark and injectors. I'm sure that is caused by fuel being dumped through the exhaust. I have some bigport 4age injectors here if you need to test them.

Author:	Kermy87 [ Sat Sep 10, 2011 11:44 pm ]
Post subject:	Re: Flames from exhaust
buzbox wrote: I would say check your timing, Air fuel ratios, spark and injectors. I'm sure that is caused by fuel being dumped through the exhaust. I have some bigport 4age injectors here if you need to test them. Cheers mate I'll get under the bonnet this arvo, if I need the injectors I'll sing out

Author:	atari4x4 [ Sat Sep 10, 2011 11:50 pm ]
Post subject:	Re: Flames from exhaust
are you running the latest in anit-lag technology, like that WRC cars? that is cool, but it can't be good for the motor or you cat converter.

Author:	Kermy87 [ Sat Sep 10, 2011 11:57 pm ]
Post subject:	Re: Flames from exhaust
atari4x4 wrote: are you running the latest in anit-lag technology, like that WRC cars? that is cool, but it can't be good for the motor or you cat converter. Stick as a rock everything motor ecu afm injectors, Except the fuel pump Cat converter ??? What cat converter?

Author:	skyman [ Sun Sep 11, 2011 12:01 am ]
Post subject:	Re: Flames from exhaust
I think Gwagen is on the money. I don't know how the Age injectors are, but this can happen to a vit TBI system when the O-ring or seal goes bad, it pumps fuel right down the throttle body. Is it possible your high pressure pump is overpowering the injectors? How is your fuel return line setup, and what are you using for a return?

Author:	Kermy87 [ Sun Sep 11, 2011 12:13 am ]
Post subject:	Re: Flames from exhaust
skyman wrote: I think Gwagen is on the money. I don't know how the Age injectors are, but this can happen to a vit TBI system when the O-ring or seal goes bad, it pumps fuel right down the throttle body. Is it possible your high pressure pump is overpowering the injectors? How is your fuel return line setup, and what are you using for a return? Return is 5/16 stainless from a 2l surge tank As for the h/p pump over powering injectors makes a bit sence and could be possible as Im not running a fuel pressure regulator

Author:	FullyZooked [ Sun Sep 11, 2011 12:32 am ]
Post subject:	Re: Flames from exhaust

Author:	FullyZooked [ Sun Sep 11, 2011 12:39 am ]
Post subject:	Re: Flames from exhaust
I keep picturing a bright green drover hammering down the highway with a 2ft flame out the arse. I have laughed a few times now at your vid. You really know how to stir it up!

Author:	atari4x4 [ Sun Sep 11, 2011 12:46 am ]
Post subject:	Re: Flames from exhaust
Kermy87 wrote: skyman wrote: I think Gwagen is on the money. I don't know how the Age injectors are, but this can happen to a vit TBI system when the O-ring or seal goes bad, it pumps fuel right down the throttle body. Is it possible your high pressure pump is overpowering the injectors? How is your fuel return line setup, and what are you using for a return? Return is 5/16 stainless from a 2l surge tank As for the h/p pump over powering injectors makes a bit sence and could be possible as Im not running a fuel pressure regulator this

Author:	Gwagensteve [ Sun Sep 11, 2011 12:51 am ]
Post subject:	Re: Flames from exhaust
But surely there's a stock reg on the fuel rail? It's not possible to run with no reg The flames are a recent change? I agree that in theory the stock reg could be being overwhelmed by the flow of the Bosch pump. Checking fuel pressure at the rail would be the obvious way to check, but if this is the case and fuel pressure was high enough to push flames, then the car should be running massively rich under power, probably to the point it will bog. I've had lots of fuel pressure issues with my 660 and if fuel pressure goes up by 10psi the drivability goes to poo. Steve.

Author:	Gwagensteve [ Sun Sep 11, 2011 1:04 am ]
Post subject:	Re: Flames from exhaust
You haven't recently had the fuel tank/system out? Had any rocks/logs jam up under the car? is it possible the return fuel line has become crimped? That would up the fuel pressure heaps. Getting any trouble codes? IMHO it's got to be base fuel pressure or a sticking injector. Steve.

Author:	Kermy87 [ Sun Sep 11, 2011 1:12 am ]
Post subject:	Re: Flames from exhaust
Gwagensteve wrote: You haven't recently had the fuel tank/system out? Had any rocks/logs jam up under the car? is it possible the return fuel line has become crimped? That would up the fuel pressure heaps. Getting any trouble codes? IMHO it's got to be base fuel pressure or a sticking injector. Steve. I'll be checking the return line this arvy I did bottom out pretty hard on Friday And I'll be checking all the injectors aswell see how that goes Thanks guys for all ur input Cheers kermy87

Author:	joe5701 [ Sun Sep 11, 2011 4:36 am ]
Post subject:	Re: Flames from exhaust
pull the plugs out and compare them if its only one injector causing the prob you will see which one it is, but if it was just one i think you would have a miss down low for sure. if its there all the same has to be fuel pressure like steve said.