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Old 01-18-2015, 10:59 AM   #51
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Oil in the cooling water is one thing...oil in the fuel can potentially be a disaster waiting to happen. Remember...a diesel engine can run on and burn just about anything. (NOTE: The original full name of one particular outfit used to be...The Cummins Oil Engine Company.)

A diesel engine can "run away" given an uncontrollable source of fuel. Fuel coming through the pump can be shut down...oil coming through bad seals or such cannot.

They can even run away from fumes in the air.

I would encourage a thorough check up. Maybe starting at the turbo.

And in case you've never witnessed it before...Google "run away diesel" on You Tube sometime for fun.
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Old 01-18-2015, 11:12 AM   #52
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Oil in the cooling water is one thing...oil in the fuel can potentially be a disaster waiting to happen. Remember...a diesel engine can run on and burn just about anything. (NOTE: The original full name of one particular outfit used to be...The Cummins Oil Engine Company.)

A diesel engine can "run away" given an uncontrollable source of fuel. Fuel coming through the pump can be shut down...oil coming through bad seals or such cannot.

They can even run away from fumes in the air.

I would encourage a thorough check up. Maybe starting at the turbo.

And in case you've never witnessed it before...Google "run away diesel" on You Tube sometime for fun.

Umm, thanks for that information?

Mr. Tango, what you've just said is one of the most insanely idiotic things I have ever heard. At no point in your rambling, incoherent response were you even close to anything that could be considered a rational thought. Everyone in this room is now dumber for having listened to it. I award you no points, and may God have mercy on your soul.

It is quite clear you know only what you have managed to read on Wikipedia. Thanks for the effort, but you should consider padding your post count on things you might actually have a clue about. Also, consider reading the posts so you can understand what is going on instead of popping off like an idiot.
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Old 01-18-2015, 11:36 AM   #53
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Whoa there fella! That was an uncalled for and mean spirited response to someone trying to help out. Please keep it civil in here.
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Old 01-18-2015, 11:43 AM   #54
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Whoa there fella! That was an uncalled for and mean spirited response to someone trying to help out. Please keep it civil in here.
Whoa???? That was totally called for. His response was in no way, shape, or form helping anything but his post count. Some of us do not care to spread bad information and will call others out on it. I was very civil in my response. If you would like me to get belligerent, just say the word.

If you have nothing helpful or useful to add then one should just stay out of the conversation. It is clear I have forgotten more about diesels then Mr. Tango has ever known. He can gladly keep all his information to himself.

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Old 01-18-2015, 12:54 PM   #55
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Gotta agree with Jatsy here. You asked for comments and you got a comment. It's OK not to agree but it not OK to attack the person who is responding. Hopefully you meant your response to be helpful, but it came off as condescending and mean spirited--neither of which have a place on a forum such as this.
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Old 01-18-2015, 05:32 PM   #56
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I think the misunderstanding here is that the PO thought that Tango was telling him that the oil he added to his tank might cause his engine to run away. This would not be likely, as the injector pump would control the diluted fuel/oil the same as it would if only fuel by itself. However, I believe the point that Tango was making is that oil from another source (an uncontrolled one) could in fact cause the engine to run away and self destruct. This is very true.
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Old 01-18-2015, 07:40 PM   #57
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I was very civil in my response.
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Originally Posted by BassnTruck View Post
...most insanely idiotic things I have ever heard. At no point in your rambling, incoherent response were you even close to anything that could be considered a rational thought. Everyone in this room is now dumber for having listened to it. I award you no points, and may God have mercy on your soul.

...popping off like an idiot.
If you are truly convinced that was a civil response then you are clearly a sociopath. I'll enlist the help of the binary gods to make sure our paths don't cross again. Not missing anything here, anyhow..
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Old 01-18-2015, 07:51 PM   #58
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Wow...pardon moi --- do a little basic reading on how diesel engines work dude. And then get a life. I mean, WTF...just trying to pass on some very basic info here.


Meanwhile...if you aren't open to input...don't go posting issues.
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Old 01-18-2015, 09:22 PM   #59
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FYI - Any diesel engine in oil patch (stationary) is required to have an emergency shut down device that totally seals off the air source for the reasons stated above. A methane or natural gas leak on a well can result in the engine running away even if the engine shutdown is activated. Ever seen a 12 cylinder diesel go kablooey? Not pretty.

The single most common cause of over-the-road engines running away is engine oil. Most commonly through the intake side of the turbo seal but it can even occur from worn rings as well as a number of other fuel (oil) sources.

But since you are a diesel expert, I'm sure you already knew that...but just forgot it. However, some people are aware of this potential while others are not. Disseminating such information is therefore considered a public service.

BTW...I am installing an emergency shutdown device on my little Cummins 4BT. Just in case.
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Old 01-19-2015, 11:15 AM   #60
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I think you answered your own question when you said your bus had been idling a lot recently.

On ski runs when we have to keep the buses running to keep heat in the buses and to make sure they will start when it is time to go home, the exhaust tip actually will start to dribble some really black gunk onto the ground. When we finally load up and take off the smoke coming out of most of the buses is pretty impressive.

Personally, if it was my bus I would put it all back together and take the bus out for a good workout. Like 100-200 miles with a good hill along the way to get all of the juices working.

I think once you get back you will discover most of your wetness will have disappeared.
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