Backfire Effects from exhaust?

  • Thread starter Thread starter WhiteSW20
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oh wow, interiors on what? 3 cars, 3 cars with no roof :P WHOOP DEE DOOO!!!! If it has a roof the interior suddenly vanishes and in its place goes *drum roll* nothing, just like real life.
 
^ i think he meant in game interior view (ie you can see the dash and hood of the car while driving). GT4 has them modelled in the replays but not the driving view, and as far as we know the HUD will be indentical for most of the cars (although that view of the MTRC HUD in the US Toyota demo looked promising that we might finally get unique HUDs for each car!)
 
and i thought i was the only one cocerned about the way rally cars in the GT series. as some of you guys know i already contacted SCEA with a letter concernig that misinterpitaion of rally cars and it's posted in these forums somewhere. and i also posted theire response to my letter. look for it it's in here somewhere.


thanks for the info regarding the missfiring process, it was most informative to the newbies. and i would like to add one more thing. the missfiring process consist of two parts, the sound it emmits and the fire coming out from the tail pipe. regerding the sound you have to have a turbo with anti lag, but regarding the fire coming from the tail pipe, here is how you can do it on any car:

go to the tail pipe and install on the tip of it from the side a spark plug wired to the battery. turn on the car revved it up and watch the flames come out. :dopey:
there is no car in the world that burns 100% of the fuel it consumes, meaning that some fuel will leave out of the tail pipe and with a spark plug waiting for it at the tail pipe, it will burn. pretty neat huh :sly:
 
T5-R
Even with misfiring systems, why not have backfiring when a cars engine is damaged (presuming they implement car wear).

/Imagines driving around in a Fiat Panda backfiring & blue smoke coming out the back :lol:
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Huh you must no something about Fiats.
One of my first cars was a FIAT 127 sport,
After owning it only 3 weeks it developed serious backfiring problem, i think it was just badly coked up, but didnt really no much about cars at the time.
Everntually it blew up, broke the exhaust manifold, blew a hole in a piston and melted some valves, I just parked it up and left it dumped.
Seriously Crap Car.
 
RallyF1
go to the tail pipe and install on the tip of it from the side a spark plug wired to the battery. turn on the car revved it up and watch the flames come out. :dopey:
there is no car in the world that burns 100% of the fuel it consumes, meaning that some fuel will leave out of the tail pipe and with a spark plug waiting for it at the tail pipe, it will burn. pretty neat huh :sly:
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https://www.gtplanet.net/forum/showthread.php?t=40660&highlight=rx8

Click the link, it have a video of a RX8 shooting flames with a exhaust system... this is how he did it.

Quote:

1. Warm up engine

2.Get the exhaust red hot by running the car over 6k RPMs for several minutes

3.Come to a stop or at least keep it under 60 MPH (slower = bigger flames)

Rev it hard (WOT) and lift off on the throttle quickly

INSTANT FLAMES!!!

As you can see, it is not easy to get flames because the conditions have to be perfect to ignite the unburnt fuel. Likewise I have not seen any damage to the paint or body work on the car but your mileage may vary.

If the pig rich fuel maps are corrected the flames will probably go away for good.
 
rollazn
https://www.gtplanet.net/forum/showthread.php?t=40660&highlight=rx8

Click the link, it have a video of a RX8 shooting flames with a exhaust system... this is how he did it.

Quote:

1. Warm up engine

2.Get the exhaust red hot by running the car over 6k RPMs for several minutes

3.Come to a stop or at least keep it under 60 MPH (slower = bigger flames)

Rev it hard (WOT) and lift off on the throttle quickly

INSTANT FLAMES!!!

As you can see, it is not easy to get flames because the conditions have to be perfect to ignite the unburnt fuel. Likewise I have not seen any damage to the paint or body work on the car but your mileage may vary.

If the pig rich fuel maps are corrected the flames will probably go away for good.
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so instead of burning all that fuel, just install that damn spark plug, and by the way a wrote my previous post with that RX in mind :dopey:
 
GTXLR
Huh you must no something about Fiats.
One of my first cars was a FIAT 127 sport,
After owning it only 3 weeks it developed serious backfiring problem, i think it was just badly coked up, but didnt really no much about cars at the time.
Everntually it blew up, broke the exhaust manifold, blew a hole in a piston and melted some valves, I just parked it up and left it dumped.
Seriously Crap Car.
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:lol: ouch :ouch:

No I haven't owned a F.I.A.T. = Fix it again Tony ;)

One of my uncles has had 2 Fiat Strada Abarths though :) & a Fiat Ritmo at one point :D
 
Sven
And man, that exhaust system you have on your Talon can't be legal...
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No, not officially legal because I got rid of the cat, but since we don't have to get checked here for emissions, no one cares. And, yes, it is a street car. I drive it everyday :) 👍 Its makes for fun runs every now and then at the stoplights. You beat someone, give them a flash of the hazards, and then give them a little of the flamethrower for good measure. Anyone who has a turbo car that wants to go fast knows that one of the first thing to get rid of is the catalytics. Nothing makes a turbo spool up slow like a cat. Hell, you can get rid of all the cats on a WRX and get like 35-40hp out of it. They suck that bad. And, yes, I also think the game would be cool with that feature in it. Only for the race cars though, and maybe cars with the Stg4 turbo. Those are the cars that will have lots of fuel going through them, and would be most prone to flames. It would be a nice touch. I'm not dying to have them, but it would be cool. And, yea, WTF on the reverse lights???? Every other light works, but when you reverse, they can't just make those little white lights illuminate??? Come on.

Hilg
 
Bahbo
Streetracing is stupid.
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So is driving with only one hand on the wheel, or talking on the phone, or drinking a soda or eating, or talking with friends. And, let me guess, you guys never do any of those things, RIGHT??? :dopey: 👎 I never said I was breaking the speed limit. You can have fun with people on the street and not break the law. Trust me, I know street recing is dumb. I have a friend that has a full-time limp because of it. So, lay off the driving comments. We all know street racing is dumb, get over it.

Hilg
 
toler
Actually some race team inject fuel into the exhaust to get the backfire effect just for the looks -> 1. generation Audi R8, Foggy Petronas Superbike etc.
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Yea, I second that one for being dumb. The Audi R8 is an endurance racer. They aren't going to waste fuel just for looks. Along with tire wear, fuel efficiency is one of the biggest factors in endurance racing. Save fuel, and you can run more laps. More laps inbetween pit stops equals a more efficient race car. If you can run 1 more lap inbetween pits at Le Mans, thats like 3.5 mins extra that you can be on course. Add that time up over the course of 12 or 24 hours, and its a lot. Thats how you win in endurance racing.

Hilg
 
once again, i must say...backfiring is an explosion thru the intake, usually from detonation and common on carburated cars. anyway, not that it matters, u guys can call it what u want. but, u do not need a turbo for a car to spit when u let off the throttle. EVERY car does it, u just dont hear it until u get a free flowing exhaust. also, flames out of the exhaust isnt that big of a deal anyway and its not that "cool"...or whatever everybody thinks it is. fuel exploding as it flows thru the head isnt good on an open valve and can snap the stem right in two along with put stress on the cam. also, running very rich isnt necessarilly safe. high exhaust temperatures are the enemy and if u have a turbo u might be replacing it quite often when u barbeque the bearings. all running rich does is give u more fuel to prevent detonation (which is what leads to fire coming thru the intake...not good). if u invest that much into your car, why not spend money to get cooler air to your motor so that detonation is the least of your worries. just my opinion.
 
jr93alty
running very rich isnt necessarilly safe. high exhaust temperatures are the enemy and if u have a turbo u might be replacing it quite often when u barbeque the bearings. all running rich does is give u more fuel to prevent detonation (which is what leads to fire coming thru the intake...not good). if u invest that much into your car, why not spend money to get cooler air to your motor so that detonation is the least of your worries. just my opinion.
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More fuel lowers EGT, not raises it. Thats a proven tuning fact. More fuel IS the safe route for turbo cars, or any car for that matter. Why do you think modern cars start to run rich and get crappy gas mileage when you have an oxygen sensor go out??? The ECU is set to default to more rich if it gets funny signals from the O2 in order to not burn things up. I'd rather get bad mileage than have to replace all my melted pistons.

High temps (lean) with high cylinder pressure (boost) can make for detonation. When you tune a car, especially a turbo car, you always err to the rich side to keep from melting pistons and blowing head gaskets. And, I'm not sure what your talking about with 'fire through the intake.' The fuel doesn't ignite until it gets out the engine and to the hot exhaust, and at that point its not going to make any contact with the intake. Its going straight out the back of the car. And, trust me, it takes some very bad useage to fry bearings on a turbo. Have you ever seen a turbo on a car right after a drive?? Even when not driven hard, the exhaust side of a turbo will be bright reddish-orange and VERY HOT. Even stock cars are like this. High EGTs wont melt bearings. Its not letting the turbo cool down after getting hot that does it. Thats what turbo timers are for. Getting hot is fine, but when you just stop and no oil is circulating, thats when things just bake.

Detonation is always the biggest worry with a turbo car, that again is a proven fact. You tune the car, on the fuel you have, to the highest potential to not have detonation. You can't just MAKE the intake air cooler. I mean, sure, we all could get HUGE intercoolers with N20 cooling them. But, then you have to deal with more lag, which is bad. There is just so far to go with getting cool air into the engine. You just have to deal with it.

Hilg
 
i know exactly how turbos work and everything else u explained. however, u are wrong...more fuel lowers combustion chamber temps, not egt's. and combustion chamber temps is what will damage the pistons, not egt's. more fuel cools the combustion chamber because liquids have a higher specific heat than air does so they cant heat up as fast, therefore the liquid fuel lowers the temp. however, egt's and cc temps have almost no relation. u cant honestly think that extra burning gas in the piping cools the exhaust. and yes, computers run rich during open loop to prevent detonation. i was just saying that high egt's is not a good thing. also, if PD just started throwing random arcade effects into this game i think it'd take away from some of the realism to some people. like people that realize some cars today have direct injection and rarely even run as rich as a 14:1 a/f ratio...usually ~18 and above. they make more power and run incredibly lean with nearly perfect fuel maps and the chances of them throwing flames out of the back isnt too good. what does everyone want next? windshield wipers and air fresheners? lets not get too arcadey...spitting flames does happen but its not that important.
 
And this argument is exactly why PD shouldn't include flames.Simply not enough info on each engine or its state of tune to do it perfectly correct.
 
You know what would be sweet? If they implemented ACTUAL damage, like, tap a car and the bumper shifts. That would be sweet. THen you could drive it all smashed up until the engine falls out of the bay. And repair bills and...
 
God...

You know what would be sweet? If you had enough sense to think someone else might have thought of your idea first. Then held repeated debates about it in these forums.
 
You know i was reading this forum about exhaust and backfiring and thought... hmmm.... i'd really like there to be realistic damage in GT4. And i hope Ferrari and Porsche make it in as well as some other random car from the 80's that only i like cause my parents gave it to me as my first car.

I think the forum topic exists for a reason... maybe i'm wrong. :scared:

~ inspired by Eagle's sweet post above ~
 
Crickey! why are all the antipodeans so cranky!!!

- lighten up guys!















....waiting for the flaming to start
 
pandastick
does anyone know whether ull be able to tune cars like in gt3? also is the normal m3 e46 going to be in the game? and also...is it worth it to buy the prologue..?
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We have to deal with crap like this, thread by thread. It's stupid. Inexcusably stupid. That's why we get cranky. You know what would be great? More cars, more tracks, better sound, better AI, new modes, new features, and so on. What do you want, a medal for stating the blindingly obvious?
 
Eagle
We have to deal with crap like this, thread by thread. It's stupid. Inexcusably stupid. That's why we get cranky. You know what would be great? More cars, more tracks, better sound, better AI, new modes, new features, and so on. What do you want, a medal for stating the blindingly obvious?
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... I rest my case.





...if you are irritated by posts like this - then save your breath and just ignore them!
 
I used to complain about all these pointless threads and posts, but I have learnt just to ignore and let others do the complaining.
 
^ ya i remember reading some of your posts... and laughing... i think it's fine as long as you do it with whit and mockery as opposed to saying "hey noob you're an idiot" or something that lacks creativity even more than that statement ;)

I think what aggravates most GTP enthusiasts is that good discussions, intelligent points, and interesting facts about that which they love (GT) are lost with mind-numbing - i hope cadillac is in, gt needs better ai (with no explanation of why they think that), or countless other wishlists rant threads that are created from scratch every day even though the top 3 threads are already discussing these topics.
 
jr93alty
more fuel lowers combustion chamber temps, not egt's. and combustion chamber temps is what will damage the pistons, not egt's......egt's and cc temps have almost no relation. u cant honestly think that extra burning gas in the piping cools the exhaust.
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Uh, yea if the CC is hot, the EGT will be hot. Do you think the exhaust is just fluctuating randomly from different temps??? No, its directly related to the engine combustion temp. Run lean, and the engine burns hotter, and the exhaust coming out is hot. Run rich, and things are comparatively cooler in the CC, and thus the EGT will be lower. Trust me, I know what I'm talking about. I can go do a few pulls in my car and show you graphs from the EMS in my car if you want. Put more fuel in a car, and the EGT will lower. Take fuel out, it gets hot. Yes, its the combustion chamber where the heat starts, but since you can't directly measure the heat in there, you do the next best thing and measure it in the exhaust. I've tuned or helped tune all of my cars over the last 10 years, and I know what works. Why the hell do you think people monitor EGTs??? Just for fun?? Like its just another meter to look at??? No, it serves a purpose.

And, I don't think there is anything 'arcadey' about wanting some cars to have a flame every now and then. If you watch DTM, Aussie V8 Supercars, and the JGTC just to name a few, most of those cars will drop a flame here and there while braking into a corner. Its not arcadey to want that, its realism we want. I really don't care if it makes it, but it would make racing with those cars more realistic. I mean, why have some cars spark when its low or bottoming out???? Because thats what some cars do when they race. Are some of these things feasable with the hardware we have now??? Probably not, but its nice to think about for future releases.

Hilg
 
I mean, why have some cars spark when its low or bottoming out???? Because thats what some cars do when they race. Are some of these things feasable with the hardware we have now??? Probably not, but its nice to think about for future releases.

Perhaps i'm taking this out of context - but doesn't Gt3 have 'sparking' cars already?
 
No, I was saying that they DID put the effort into making some cars spark. So, if some race cars have a flame every now and then, I don't see why it would be out of the question for them to do it in the game as well. But, thats why I brought up the hardware. The PS2 might be pretty much tapped out, and trying to get flames looking right could just be too much to ask for with this generation of hardware. Thats all. I know GT3 has the sparks, thats why I brought it up.

Hilg
 

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