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post #1 of 28 Old 04-12-2009, 07:44 PM Thread Starter
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Urea injection?

I was reading in Diesel Power magazine about the 2010 Cummins and the 2010 "Scorpion". It said the Cummins woud not have urea injection and that the Scorpion would. What is urea injection, what does it do, do you have to refill it when you get diesel, and why can some motors not have it while others do? Is there an advantage/disadvantage of it?

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post #2 of 28 Old 04-12-2009, 07:50 PM
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i pretty much posted the same thread as this about two weeks ago. About the only thing that i know is that urea comes from pig urine... no lie... and its injected into the exhuast to clean it up. I think its injected into the exhaust before the dpf. I also have heard that it is like a 30-40 gallon tank and the stuff costs like 30 bucks a gallon. You refill the tank every 6K miles i believe. Sounds to me like a freakin joke. I dont know that much about it but its going to be something else the companies are going to have to figure out how to turn off. and more cost to us diesel owners...

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post #3 of 28 Old 04-13-2009, 06:56 AM
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i thought the new Duramax engines were gonna use it to?
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post #4 of 28 Old 04-13-2009, 07:00 AM
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dzchevy is pretty much spot on. except iirc the urea is going to be synthetic. but yeah thats the basics. And the DMax is also using it

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post #5 of 28 Old 04-13-2009, 07:06 AM
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hahahah yeahhhh right. Like we are going to pay for that junk every 6K. I bet they sell like 4 of them.

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post #6 of 28 Old 04-13-2009, 07:22 AM
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there are alot of big rigs using it now , does sound like a headache , im not sure on how much is used , but my understanding is it will last longer than 6k , but i dont know

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post #7 of 28 Old 04-13-2009, 07:43 AM
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It's not an apples to apples comparison, but BMW is using urea injection in their new diesels. The engine is being used in several platforms but all of the vehicles are expected to go approximately 12,000 to 13,000 miles on one tank full of urea solution. Here's the kicker though, on the BMW's they sound a warning chime as you near an empty urea tank. If you run the tank dry and shut the car off you will have approximately 30 seconds to restart the car or the computer will not allow a restart until the tank is refilled with urea. This is directly from my friend who is a master BMW tech that just finished his diesel classes.

And we thought DPF filters and Regen modes were a pain in the butt, the engineers are just getting warmed up.
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post #8 of 28 Old 04-13-2009, 08:34 AM
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Well if its going to be a "must have" product they better start building filling stations


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post #9 of 28 Old 04-13-2009, 09:19 AM Thread Starter
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Sounds like a bunch of crap to me. I'm sure glad I like my 6.0. We're going to be sticking it out together for a long time if all of this is true!!!!!

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post #10 of 28 Old 04-13-2009, 09:20 AM
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I thought going this route would eliminate the need for a DPF. I would think that might be good. Better mileage and power right from the factory.

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