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(Norwich Bulletin)   Gas station accidentally fills 87 octane gasoline tank with diesel fuel. Hilarity ensues   (norwichbulletin.com) divider line 122
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18583 clicks; posted to Main » on 14 Oct 2006 at 12:46 PM (7 years ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2006-10-14 11:37:27 AM
I once accidentally put diesel into my lawnmower and it wouldn't turn off. That was fun.
 
2006-10-14 11:48:33 AM
"It's an error, it's a mistake," Celone said. "It's unfortunate because we really don't know how the error occurred."

Wild guess but maybe they put diesel in the 87 octane tank.
 
2006-10-14 12:08:27 PM
So... this is green why?
 
2006-10-14 12:46:38 PM
What would diesel do to a gas engine, anyway?

It's my understanding that diesel is a bit more oily and less volitle than gas, so I'm guessing that a gas car that tanked up with diesel would stall out pretty quick but would just need the tank pumped, the fuel line flushed, and a new gas filter to get back on the road. But I don't know.


And what gas do to a diesel engine, for that matter?
 
2006-10-14 12:49:20 PM
oh snap!
that sucks.

what a boring day on fark.
 
2006-10-14 12:51:40 PM
Riche


What would diesel do to a gas engine, anyway?


Im not sure what it does to the engine itself, but I know that the exhaust is incredibly thick and a grayish white
 
2006-10-14 12:51:47 PM
Wouldn't that be dieselarity?
 
2006-10-14 12:52:26 PM
Diesel in the lawnmower DOES sound like fun... Perhaps a good prank to play on a neighbor.
 
2006-10-14 12:52:33 PM
Odd story, once my sister had her car die and the mechanic said he found animal guts in her gas tank. She had just recently filled up and blamed the BP station. I think they paid for the repairs though they never really believed her. Tt was probably a prank by some kids who put it into her gas tank.
 
2006-10-14 12:53:11 PM
Riche: It's my understanding that diesel is a bit more oily and less volitle than gas, so I'm guessing that a gas car that tanked up with diesel would stall out pretty quick but would just need the tank pumped, the fuel line flushed, and a new gas filter to get back on the road. But I don't know.

Yeah, I think you have it right. Flush the tank and fuel line. Replace the filter. The injectors should be ok. Still, it's going to cost one a few hundred bucks in labor probably.

And what gas do to a diesel engine, for that matter?

Probably nothing.

I'm suprised about the post above who said his lawn mower engine would run on diesel and not turn off. Was it a two stroke engine by chance?
 
2006-10-14 12:53:48 PM
Just need to clean out the tank, fuel lines, and injectors. Not really a big deal although I would be kinda upset if it happened to me. Diesel has a much higher flash point and is ignited from pressure and temperature, not spark like gasoline. Car just will run pretty crappy for a minute and then most likely quit. No real harm done in most cases.
 
2006-10-14 12:53:59 PM
I once had a 5 gallon gas can I would fill with diesel but was labled gas. Somebody stole it one day; I like to imagine whatever he filled up with the disel got really messed up.
 
2006-10-14 12:56:20 PM
I once accidentally put diesel into my lawnmower and it wouldn't turn off.

Not sure I believe that one. Might be a little more believable if it were the other way around.
 
2006-10-14 12:57:59 PM
Don't diesel pumps not fit into regular gas tanks? Did the guy just spray it in there?
 
2006-10-14 12:58:27 PM
Hollie Maea


I once accidentally put diesel into my lawnmower and it wouldn't turn off.

Not sure I believe that one. Might be a little more believable if it were the other way around.


like a lawnmower in the diesel?
 
2006-10-14 01:00:02 PM
Hollie Maea: Not sure I believe that one. Might be a little more believable if it were the other way around.

Yeah, I never thought diesel fuel would combust in a gasoline engine due to the compression required. Would understand that if it got to that point though, one wouldn't be able to turn it off if it meant cutting power to the spark plug.
 
2006-10-14 01:00:27 PM

Don't diesel pumps not fit into regular gas tanks? Did the guy just spray it in there?


one quarter of all Americans are retarded.
 
2006-10-14 01:01:13 PM
I used to own a Diesel car and the engine would run on Diesel and in an emergency Gasoline or Kerosene

Diesel burns at a higher temp so a gas engine wouldnt burn it properly but a diesel engine can burn gas easily....
 
2006-10-14 01:03:16 PM
Rhawb - RTFA.

They put diesel fuel in the underground tank. The pump itself was for 87 regular unleaded, so not an isue of the pump.

As for regular gas in a diesel engine, it probably would never burn since, to my knowledge, diesel engines do not have spark plugs.
 
2006-10-14 01:04:38 PM
"Did the guy just spray it in there?"

No. He pulled out at the last second and sprayed it elsewhere.
 
2006-10-14 01:04:49 PM
Diesal won't hurt a gas engine, but it will sputter and smoke and spit. You will have to drain the tank and flush the lines so it wil cost some money.

Gas in a diesal will cause damage. Gas has a much lower flash point and burns hotter, so it melts pistons
 
2006-10-14 01:05:21 PM
beer4breakfast: Yeah, I never thought diesel fuel would combust in a gasoline engine due to the compression required.


I wonder if the lawn mower had already been running for a while on gasoline, so it was pretty hot. Then it ran out of gas and the guy filled it with diesel, and the heat of the engine was enough to ignite the diesel and keep the mower running.
 
2006-10-14 01:05:57 PM
"It's an error, it's a mistake," Celone said. "It's unfortunate because we really don't know how the error occurred."

Translation: We don't know who did it, so we don't know who to blame and make PAY for it.
 
2006-10-14 01:07:22 PM
Riche:

What would diesel do to a gas engine, anyway?

Well for starters you would probably get alot of detonation, which destroys valves and can break pistons.

That's assuming your engine's fuel management would know what to do with the diesel fuel, which is highly unlikely.

With regards to gas in a diesel engine: it simply would not run. Diesel engines do not have spark plugs - they rely on compression alone to ignite the diesel fuel.

So basically your starter would be pouring gas into the cylinders and you wouldn't get any spark.

In both cases you'd need to tear the engine apart to clean the wrong fuel out of there. Also your fuel pump would probably need to be replaced. Then there's the matter of the fuel injectors which would have to be cleaned. And of course you'd need to completely purge the gas tank, which is a royal PITA.

Basically you're looking at thousands of dollars worth of damage to any vehicle given the wrong fuel.
 
2006-10-14 01:08:02 PM
When a friend of mine turned 18 her parents bought her a brand new car. The first thing she does is put diesel fuel in the tank because it was cheaper than 87 octane. The entire engine had to be rebuilt.
 
2006-10-14 01:08:38 PM
beer4breakfast I'm suprised about the post above who said his lawn mower engine would run on diesel and not turn off. Was it a two stroke engine by chance?

I'm not an expert, but this makes some sense. Diesel explodes when compressed, so diesel engines don't need spark plugs like regular ones. You make cars go faster by pumping more gas into the engine, but lawnmowers only have one speed.. so you stop them by turning off the spark plugs.

That's my theory.. anyone know any better?

-g
 
2006-10-14 01:09:49 PM
AHEM...

"Diesel fuel can clog filters, break down rubber fuel lines and produce black smoke from the exhaust of cars designed to use gasoline."

http://www.wkrc.com/news/state/story.aspx?content_id=6F6553CE-E2AF-4B1D-AC6F-1 E2055F701E3
(pops)

Different article to same effect. Hilarity?
 
2006-10-14 01:10:43 PM
Nutcase: As for regular gas in a diesel engine, it probably would never burn since, to my knowledge, diesel engines do not have spark plugs.


I aint no fancy thermodynamics expert but if I remember my college science, then Heat=pressure. So as the pressure (ie compression) in the diesel cylander rises so does the heat, until the pressure and heat are sufficient to cause sparkless combustion. Therefore, if gasoline combusts at a lower temperature then the pressure in the diesel cylander ought to be sufficient to combust the gas.
What the longer term effects are on the engine, however, I do not know.
 
2006-10-14 01:13:32 PM
Diesel explodes when compressed, so diesel engines don't need spark plugs like regular ones.

Yes, but a gasoline engine doesn't compress enough to ignite the more volatile gasoline, let alone diesel. But I'm not an expert either so who knows.
 
2006-10-14 01:14:32 PM
Stallarity?
 
2006-10-14 01:14:34 PM
It's a good thing it wasn't the other way round. A diesel develops 27:1 compression on the average, and if you put gasoline in a diesel engine, it will blow sky high.

Put diesel in a gas engine and it just sputters out, drain the tank and flush the lines and you're back in business.
 
2006-10-14 01:16:47 PM
My uncle told me a great story. My father and his siblings grew up on a farm. To make sure all the tractors would always work nice and easily, they had a large tank on the farm. This tank was of course filled with diesel. So one night, my dad is having a party. There's a good number of people there, good times, good drinking. My uncle heads outside and sees a guy with his car next to the tank. He's figured out how to pump gas out of it and is filling his car.

My Uncle goes over to the guy (who doesn't know who my uncle is. He only knows my dad). The guy tells him his sceme. My uncle says something like "Wow that's an awesome Idea. I'll do it with my car too." Once the guy has his tank capped off, my uncle says "Alright, this is my house. Now, you can pay me 50 bucks, or I can call the police." The guy ended up giving him the money. After the party he had to call a tow truck as his car stalled about a quarter mile out.
 
2006-10-14 01:17:25 PM
Whole Foods is Wal Mart: When a friend of mine turned 18 her parents bought her a brand new car. The first thing she does is put diesel fuel in the tank because it was cheaper than 87 octane. The entire engine had to be rebuilt.

There was a feature earlier in the year on one of the UK car shows (Fifth Gear) where they did both - diesel into a petrol and vice versa - to see what happened.

Lots of smoke and barfing but after a syphon of the tanks and a refil with the correct fuels both cars ran fine.
 
2006-10-14 01:17:36 PM
Petrol in a modern VAG Tdi engine can cost around 3,500 pounds to fix, thats a lot of american dollars ....
 
2006-10-14 01:18:00 PM
If you have a Wankel you can run it on anything that is handy: Gasoline, diesel, kerosene, cleaning fluid, or seven or eight kinds of alcohol.

No valves equals nothing in there to break, at worst you might foul a plug.

But you have hell to pay keeping the seal intact between the rotary piston and the cylinder wall; they don't last long.
 
2006-10-14 01:21:51 PM
olddinosaur
If you have a Wankel you can run it on anything that is handy: Gasoline, diesel, kerosene, cleaning fluid, or seven or eight kinds of alcohol.


I just prefer good old fashioned baby oil.
 
2006-10-14 01:24:56 PM
HON6 KON6 PH003Y

one quarter of all Americans are retarded.

I think it is closer to 25%
 
2006-10-14 01:25:16 PM
There was an episode of Cops or one of those other shows where they pulled a guy over with a Spy Hunter style smoke screen coming out of back of his car. He said he accidently filled up with diesel and was trying to get it home. My guess is it only ran because it was mixed with the gasoline already in the tank. It could get rather pricey if it ruins the cat and the O2 sensors.
 
2006-10-14 01:25:52 PM
Hollie Maea: Diesel explodes when compressed, so diesel engines don't need spark plugs like regular ones.

Yes, but a gasoline engine doesn't compress enough to ignite the more volatile gasoline, let alone diesel. But I'm not an expert either so who knows.

True. Maybe the engine was hot enough to compensate, because it was running unleaded earlier.. just like others have suggested. Do Diesel and Unleaded mix?

I remember watching something on TV about trucks they use to put out and repair oil-well fires. They said if the gas concentration was too high, it'd get sucked into the truck's air intake, causing it to rev out of control. That sounds like fun.

-g
 
2006-10-14 01:28:35 PM
Somebody got chocolate in my peanut butter...
 
2006-10-14 01:30:24 PM
my uncle killed his vehicle by putting unleaded petrol into a diesel engine. They tried cleaning it but in the end he just bought a new vehicle.

/£30,000 4x4 too!
//some people should share money!
 
2006-10-14 01:32:17 PM
Duke Phillips' Singing Bears: oh snap!

Anyone who actually types out "oh snap!" is a tard.
 
2006-10-14 01:33:22 PM
Half Man Half Biscuit: There was a feature earlier in the year on one of the UK car shows (Fifth Gear) where they did both - diesel into a petrol and vice versa - to see what happened.

Lots of smoke and barfing but after a syphon of the tanks and a refil with the correct fuels both cars ran fine.


Could be that the mechanic ripped my friend off (it cost about $3,500 to repair), but she did have her engine rebuilt. She also may have had a quarter tank of unleaded gas in the tank so the car ran on the mix for awhile causing more damage.
 
2006-10-14 01:34:54 PM
Spark plugs are required in gasoline engines due to their lower compression being insufficient to ignite the gas via diesel effect. Gasoline in a diesel engine will combust.

It will burn hotter than diesel, which will cause damage over the long run.
It will also ignite sooner in the compression stroke than is strictly desired. As the engine heats up, it will ignite sooner and sooner. Eventually it will ignite soon enough before the piston tops out that it will counter rotate the crank... which will cause damage in the short run. Both to the engine and anyone hit by the schrapnel.

Pure diesel in a gasoline engine would probably not burn. A mixture of the gasoline left over in the tank and diesel being fed into a recently running engine might be able to cause it to burn, though highly inefficiently. See comments above about thick heavy grey smoke.
 
2006-10-14 01:36:55 PM
Who the fark was the submitter? it's odd seeing my local paper on fark. I'm from Norwich, CT as well.
 
2006-10-14 01:36:58 PM
j_moriarty: I'm not an expert, but this makes some sense. Diesel explodes when compressed, so diesel engines don't need spark plugs like regular ones. You make cars go faster by pumping more gas into the engine, but lawnmowers only have one speed.. so you stop them by turning off the spark plugs.


Close. You make cars go faster by allowing more air to flow along with a quick injection of additional fuel. While this doesn't happen much (if at all) anymore, gasoline cars with mechanical fuel pumps would occasionaly exhibit the behavior of continuing to run even with the ignition off, a condition known as "dieseling." Without going into too much detail, the residual heat and the compression was enough to ignite the fuel/air mixture.

It seems somewhat probable that even without an ignition source, a lawnmower with diesel fuel could continue to run until the fuel was exhausted.
 
2006-10-14 01:38:04 PM
mistake happened, business owner owned up, did responsible thing and paid for any damages caused.

The hilarity is where, exactly ...?
 
2006-10-14 01:44:37 PM
XRatedOuroboros: It will also ignite sooner in the compression stroke than is strictly desired. As the engine heats up, it will ignite sooner and sooner.


Except diesel engines don't inject the fuel until full compression so I don't think pre-ignition would be an issue.
 
2006-10-14 01:48:08 PM
If you get a gasoline engine overheated, it will continue to run after it is shut off; this is called "dieseling." The fuel ignites on compression alone, no spark is needed.

The average gasoline engine has an 8:1 compression ratio, and octane is 87.

The average diesel engine has a compression ratio of 27:1, and diesel fuel has an octane equivalent of about 35-40.

If you put gasoline in a diesel engine, it will blow sky high.
 
2006-10-14 01:48:47 PM
they rely on compression alone to ignite the diesel fuel.

Yeah but gas ignites spontaneously at a lower compression than diesel does, no spark needed, so you're going to have premature ignition in the diesel engine. It's going to damage it in little time.

It'd be extreme engine knock...
 
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