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 Message Boards » » HOW TO MAKE A DIESEL SOMKE BLACK Page 1 [2] 3, Prev Next  
gk2004
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2

9/13/2006 1:04:04 PM

toyotafj40s
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keep it alive.

9/13/2006 2:15:53 PM

bcvaugha
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drive it alot... we've got a ford w/ 600k and it'll blow black smoke like nobody's business

9/13/2006 4:01:27 PM

toyotafj40s
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someone edjumacate me on this "black smoke" i saw a diesel cummins blowin blue.. i guess this isnt as cool?

does all this black smoke mean ur burning a shitload more fuel rich or what? it does look cool i must admit

9/13/2006 4:56:04 PM

zxappeal
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diesels by their very nature usually run very lean. There's no throttle plate to regulate air flow, and each cylinder gets a full charge of air every time it intakes.

Black smoke is the result of incomplete combustion, and can be the result of dirty injectors that don't atomize the fuel well enough, or an injector pump/system that's dumping large quantities of fuel in the system.

A lot of mechanical systems like Bosch's distributor pump actually restrict fuel flow until adequate boost (and subsequently more air) is being built by the turbocharger. You can modify these pumps to begin dumping full fuel earlier in the boost range or even before boost is being made at all. The result? Maybe not enough air to burn the fuel that well, and the resulting smoke.

Modern electronic systems can be chipped to inject more fuel.

If you saw blue smoke...that's burning oil, and that ain't good.

Sometimes if a diesel is cold, then it may smoke light gray a little when starting...that's raw fuel that's not even burned at all or very minimally. It's typical on engines that have an injector pump whose governor goes to full fuel position when the engine is shut down or not running. When cranked, the pump provides full fuel (or at least full no-boost fuel) until the engine reaches idle speed.

9/13/2006 5:06:30 PM

toyotafj40s
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so wont havin the diesel run richer cause more engine wear in the long run? all i know is runnin rich on motorcycles in the top end makes blow by become a problem.. like on my old hawk b4 i sold it

9/13/2006 6:55:36 PM

minion
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I've never seen quite a cloud as I did the night I saw a new-ish ford super duty with the 6.0L power stroke diesel run at a drag strip back home. It wasn't bad when he was on the line but the minute he had the green, a cloud was released on the unsuspecting crowd... it was mostly show though. The truck was quick, but it wasn't that quick. I know it was chipped and had some huge exhaust (4", I think), not sure what else he had done under the hood though.

9/13/2006 6:57:26 PM

BigBlueRam
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^^diesel is a whole other game than a gas motor. basically, you can't run one too rich. the added power from cramming more fuel/air in will of course add some wear, but you're talking about motors that are ridiculously overbuilt, already run very high compression ratios, etc...

9/13/2006 7:21:08 PM

Jeepman
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i want a diesel

9/13/2006 7:31:09 PM

toyotafj40s
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me too why doesnt every car run diesel they are pretty much THE SHIT.

9/13/2006 8:26:41 PM

Igor
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because they are SLOW

9/13/2006 8:38:38 PM

BigBlueRam
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nigga come ride in my truck.

9/13/2006 8:40:29 PM

Igor
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Quote :
"why doesnt every car run diesel "


trucks are a different affair. plus you got a big ole turbo.

my grandpops still drives a naturally aspirated ford sierra. fuckin thing is a tank but by no means it is fast or even peppy.

[Edited on September 13, 2006 at 8:43 PM. Reason : diesel sierra. 1.8 i think]

9/13/2006 8:43:00 PM

Jeepman
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Igor, diesels can be made to go fast. they even have diesel truck races at drag strips and stuff now. bigass trucks running low 13's and faster.

9/13/2006 8:45:25 PM

Hurley
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this goes against the thread topic but...

what about diesel tuning without the smoking - like Gale Bank's product packages. I saw a duramax on TV with his flagship tuning package, and it didnt smoke much. wouldnt the idea of better tuning be to eliminate the smoke by achieving more complete combustion - and therefore producing more power per amount of fuel burned?

with that said, every hi-po diesel ive seen blows the smoke through the duration of their operation (pulling, drag strip) -

9/13/2006 8:48:59 PM

Igor
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im pretty positive gas cars can be made to go faster

and then you got nitromethane

something to do with the energy capacity

[Edited on September 13, 2006 at 8:51 PM. Reason : .]

9/13/2006 8:50:43 PM

BigBlueRam
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^^^yeah, and triple digit boost numbers.. nuts.
^^not really true... even companys like banks that claim no/little smoke increase always do increase it. also, banks is hardly the top name in diesel performance anymore. their products don't produce the power that others do.

alot of it is also just the fact that diesel fuel emits alot of soot, etc. when its burned. so obviously, the more you burn the more you're going to see. it's not all about combustion efficiency.

[Edited on September 13, 2006 at 8:53 PM. Reason : .]

9/13/2006 8:53:27 PM

Igor
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triple digit boost numbers IS nuts

[Edited on September 13, 2006 at 8:55 PM. Reason : .]

9/13/2006 8:55:28 PM

toyotafj40s
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those diesel engines go for so much. damn cummins

9/13/2006 8:57:20 PM

pwnt
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I might have a smoke-blowing Ford diesel for sale. This thing is too nice for me and my current income situation. I need to stick to my beat the fuck up Trooper and motorcycle that seems to never run.

9/14/2006 12:32:32 AM

Noen
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Audi R10 TDI. V12 TDI


Pretty much has fucking dominated every race it's been in. Set new distance record at 24hrs of Lemans this year and destroyed the field. Won the 12hrs at Sebring.

Won the AMLS in 8 races outright, the team remains unbeaten. Both cars have finished either 1-2 or 1-3 in every race this season (IIRC).

Pretty much eliminates any claim that Gas is better than Diesel.

http://www.audi.com/audi/com/en1/experience/motorsport/Audi_R10_TDI.html

[Edited on September 14, 2006 at 10:10 AM. Reason : .]

9/14/2006 10:09:41 AM

mbmorri2
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It'll be a lot harder to make your truck smoke black soon. Ultra low sulfur diesel is required to be available everywhere that sells diesel by October 15th. Its sulfur content is 15ppm as opposed to the 500ppm of regular diesel. Lots of places are already selling it and not labeling it as ULSD. At least that means that all of those diesel passenger cars in europe will be street legal over here now.

9/14/2006 4:59:35 PM

bcvaugha
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if you can find one go try a new jetta w/ the tdi very quick for a family car

9/16/2006 9:41:00 AM

dustm
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forget black smoke

jake brakes are where its at

9/18/2006 2:39:59 PM

Bakunin
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^a bunch

nitromethane's power potential has nothing to do with energy density. it has 1/4th the energy density of gasoline.

http://en.wikipedia.org/wiki/Nitromethane

9/19/2006 8:18:28 PM

Igor
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Quote :
"Since an engine’s cyliner can only contain a limited amount of air on each stroke, 8.7 times more nitromethane than gasoline can be burned in one stroke. However, nitromethane has a lower energy density. Gasoline provides about 42-44 MJ/kg, nitromethane provides only 11.3 MJ/kg. This analysis indicates that nitromethane generate about 2.3 times the power of gasoline when combined with a given amount of oxygen.
"

9/20/2006 3:02:43 AM

tripleD4u
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just run it into a niggers house when they are all happy about X mas with a fireplace burning!!!!

9/20/2006 3:15:38 AM

JT3bucky
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since this thread was made

im puttin side pipes on my vette, any chance i can make them throw flames

i guess if i was to slide a spark plug in the end it would still have maybe enough gas left that wasnt used to light a flame or two, perhaps? would i need to have it where it was always on or where i could turn it on and off, i know its illegal and all but...who cares. i wouldnt get down on it much anyways gas it $texas with that car.

9/20/2006 4:28:39 AM

sumfoo1
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^you cut the igniton from the motor and put it into the plugs on the side pipes letting raw fuel go through your motor and get ignited in the side pipes.

9/20/2006 7:57:16 AM

Grapehead
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yes cutting the ignition from the motor is a fantastic idea

definitely do that instead of installing a secondary ignition system for the pipes

[Edited on September 20, 2006 at 8:35 AM. Reason : ]

9/20/2006 8:34:34 AM

zxappeal
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It works. Great way to split the seam on a regular muffler too.

9/20/2006 10:36:47 AM

tripleD4u
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LOL you can run plugs into the side pipes on that cunt and run a propane deal on it when u flick togggle flame be burning look up sideflames.com i think they show u whud up

9/20/2006 10:38:34 AM

zxappeal
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hells yeah. That sounds like a plan right thur.

I wonder if it would work very well on teh Cummins.

Actually, I bet it would. Hmmm...

9/20/2006 10:43:59 AM

tripleD4u
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lets do it

9/20/2006 10:48:47 AM

JT3bucky
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yea luckily they are pretty thick pipes so i hopefully wont do too much damage, andthey were free so i mean what more can u ask for but to TRY an dmess them up haha

yea i would totally run a seperate ignition switch to them, and propane may be a way to go but thats a heck of a system to rig up, wont it run off the excess fuel in the exhaust?

i'll check that site now
k thx

9/21/2006 1:16:40 AM

JT3bucky
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ok so i looked into it a little more

if im running the vette it should work since its got a carb, EFI cars it wont work as well due to the Cat Convt. I think i could just get 2 plugs, 2 coils and some type of switch to run to the battery terminal and into the car to shut it on and off. I think the easiest way is to just drill a hole in teh pipe, weld a nut to the pipe to not let it leak and then put the plug and coil setup like i said. I may work on my MR2 since it tends to run a little lean anyways but im not sure.

how would I have to set up the switch though is my only question? it would be a constant spark i guess, just get some kind of switch from autozone or radioshack??? what kind though? and how would i need to rig it electrically, sounds like the other part is easy.

9/21/2006 2:02:33 AM

MaximaDrvr

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A signal switch through a relay. Not really that difficult.

9/21/2006 2:07:06 AM

JT3bucky
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im poultry/animal science, not at all engineer/electrical minded but im sure i could run that fairly easy.

9/21/2006 2:28:02 AM

Poe87
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You've got to have a pulsed signal to get the coil to fire. You can't just feed it 12V and expect it to spark. Splice into the trigger wire used on the engine coil and run that to the coil for the exhaust spark plug, then run a 12V line from the battery through a switch or a relay so you can turn it on and off.

9/21/2006 8:39:01 AM

bcvaugha
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on a fun diesel not the flex tube running to my muffler on my Ford L900 tree spade broke today so I had to drive around w/ an non-muffled Cat all day, sounded good, but the jake brake started to wear on me by the end of the day

9/21/2006 8:34:54 PM

zxappeal
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^why would you even run the Jake at all, unless you're in the hills with a load...

9/22/2006 1:48:36 AM

underPSI
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^'cause a jake brake sounds fucking good, dan! shit.

^^how did the jake brake start to wear on you?

9/22/2006 8:09:41 AM

zxappeal
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BRRRAAAAAPPPP BRRRAAAAAP

That would wear on me too after a while. I wish there were a way to Jake a Cummins B series, but alas, there ain't that I know of. Evidently, you gotta have cam-actuated injectors. I'm sure somebody could come up with a scheme to Jake a regular engine (and most likely there already is), but I don't know about it.

9/22/2006 6:48:06 PM

bcvaugha
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Quote :
"^why would you even run the Jake at all, unless you're in the hills with a load..."

not sure if you know me, I'm not in raleigh, its hilly here nothing like black moutain but enough that when loaded I use the brake as to not have to ride the brake all day, its a lazyness thing. jake brake good.

9/22/2006 8:37:14 PM

garan44
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Everyone here is a complete idiot!!!! The black smoke coming from your exhaust is unburned fuel. The reason that it is heavier when you add power to a diesel is bc there is more fuel going into the combustion chamber.

9/23/2006 1:56:22 PM

shevais
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Quote :
"just as long as you know that black smoke = incomplete combustion of the fuel, aka wasting fuel..."


this was posted byme on page one.. better late than never huh? I guess I'm a complete idiot though.. at least that's what you said...

9/23/2006 2:25:24 PM

BigBlueRam
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^^wow, what a fuckin genius you are. please show where anyone in this thread said it wasn't fuel smoke. it was mentioned more than once. who's the idiot?

9/23/2006 2:37:10 PM

zxappeal
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garan44...please return to your official position as jizzmopper of the Garage.

I just love a n00b who comes in here trying to act like a know-it-all.

I wipe my ass with you, you scrotum scratcher.


Quote :
"Major : poultry science "


Oops. Your official position appears to be Chicken Fucker.

[Edited on September 23, 2006 at 4:06 PM. Reason : oops.]

9/23/2006 4:02:45 PM

zxappeal
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Get a load of the PM this gay homosexual sent me:

Quote :
"From : garan44
To : zxappeal
Received : Monday October 2, 2006 at 5:00 PM
Subject : @#$#

Is that all you have to do is comment on other people's, correct statements. Fuck You. Just how many times a day do you check this shit anyway. Fucking loser

"

10/2/2006 11:08:38 PM

Jeepman
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what a whiny ass bitch.

[Edited on October 2, 2006 at 11:17 PM. Reason : .]

10/2/2006 11:16:14 PM

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