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Old 02-06-2015, 05:57 AM   #43
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Just talked to a local GM dealer - they have a 2012 3/4 ton diesel that even has a bed slide. Prior owner sold it back to dealership after he became disabled. Have there been any huge improvements since 2012 in the diesel... and does the 2012 need DEF?

Paula
2011 was the first year for DEF in the Silverado.
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Old 02-06-2015, 07:21 AM   #44
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Re:DEF

Having had a large moho with a Cummins 8.9 l ISL (450 hp, 1250 ft lbs of torque), which used DEF, I can attest the overall cost of fuel plus DEF is about 10% less than the same moho a few months earlier which did not use DEF.

As I understand the advantage in a DEF engine is in that there is less EGR and the engine is able to operate at a higher combustion temperature thus producing more power from each gallon of Diesel. DEF is available at nearly all truck stops now, and at a lower price than from the early days.
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Old 02-06-2015, 08:54 AM   #45
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Old 02-06-2015, 09:38 AM   #46
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Interesting, but how is that helpful to this thread.? Jim
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Old 02-06-2015, 09:40 AM   #47
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Was that a gas or diesel prototype? None of the comments on that youTube video were informative, just Ford bashing.

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Old 02-06-2015, 10:51 AM   #48
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That is the new aluminum Super Duty.One of the draw backs to aluminum.I believe it was the new Eco boost gas engine in this test mule.


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Old 02-06-2015, 11:10 AM   #49
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that 2012 sounds very good, You want to buy a diesel that uses DEF. Much better than the alternative emissions controls,
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Old 02-06-2015, 11:18 AM   #50
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Unlike the Ford diesels which had a major change in 2011 model year and now a big update for 2015 have the GM Duramax/Allison combo remained pretty much unchanged other than the 2011 DEF introduction?

I noticed on GM the DEF fill is in the engine compartment while the Ford DEF fill is in the fuel tank fill compartment.

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Old 02-06-2015, 11:23 AM   #51
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That is the new aluminum Super Duty.One of the draw backs to aluminum.I believe it was the new Eco boost gas engine in this test mule.
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It seemed from the photos it was a gas fire. Diesel wouldn't burn like that, would it?

What is the rumor on the F250 Ecoboost? 5.0L? Probably not due for at least a couple of years I bet.

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Old 02-06-2015, 12:05 PM   #52
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Coming in 2016 but I have learned never to buy the first year of production from the big three.
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Old 02-06-2015, 12:43 PM   #53
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Old 02-06-2015, 05:04 PM   #54
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So? Here, I'll post a video of a burning Silverado. Then, I'll look around and see if I can find one of a burning Ram. Then we can all watch vidos of our favorite trucks burning to the ground...



Now that we have that out of the way, maybe we can get back on topic.
I forgot. What was the topic?
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Old 02-06-2015, 05:10 PM   #55
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Paula, I have to tell you, the name of this tread reminds me of what my sister said as she stood at the edge of the roof of the barn.

"I'm going to jump. I mean it, I'm going to jump."
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Old 02-06-2015, 05:22 PM   #56
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