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*^%$#@&am p;am p;am p;am p;am
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1,327 Posts
"despite sharing its name with the older 6.6L Duramax diesel that was developed in partnership with Isuzu, the new 4.5L Duramax was developed completely in-house by GM."
isuzu make great diesels and im suprised gm is doing this alone.
sounds interesting,but im not sure you need a v8 configuration.
what would be wrong with a v6 or i6 configuration?
less moving parts and things to wear out.
i think its more about marketing and the fact v8 sounds cooler than v6 .
btw good find bac
 

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'Ol Builder guy
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7,051 Posts
4cstr said:
I wish it wasn't going to take so long to get here.
Late next summer.....15 months!!!! :Thumbup: That ain't too bad, least Toyota didn't beat us to the punch. LOL

You know, this is nothing new for GM. They offered diesels in 1/2 ton trucks 25 years ago. Nobody bought them. Somehow, I think THIS time is gonna be MUCH different! ;)
 

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Senior Member
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3,754 Posts
thatll be coll if they acutally do it.
 

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*^%$#@&am p;am p;am p;am p;am
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1,327 Posts
mckey73 said:
I'm hoping the mileage will be better than 30, 40 would be nice!
no chance
i would say about 26mpg
my diesel ranger gets 33mpg
and its only a 3.0L inline 4
my 4.2L superduty gets 23mpg and its a 4.2L
 

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Senior Member
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Discussion Starter #9
26mpg in a pickup truck would be a huge improvement over what GM 1/2 ton gassers get right now. I just hope GM doesn't get greedy and charge $10,000 extra for the option. They need to make it a viable choice for customers.
 

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'Ol Builder guy
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7,051 Posts
I thought they were saying a "25% improvement in fuel economy"?

If the average 1/2 ton gasser gets ~12 MPG around town/~18 MPG highway , that would mean the diesel would get ~15 in town/ ~23 highway.
 

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Registered
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155 Posts
I am dreaming of a diesel Yukon or Surburban... Aaaaahhh! :smoke
 

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Senior Member
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TheBac said:
26mpg in a pickup truck would be a huge improvement over what GM 1/2 ton gassers get right now. I just hope GM doesn't get greedy and charge $10,000 extra for the option. They need to make it a viable choice for customers.
:Well they will pry have to have a dpf (maybe more for the 2010 emission jump) so I would say itll be at least (just for the dpf) 1000 more then the gas option, thats jsut for the dpf.
 

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General Contractor
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518 Posts
Duke said:
I thought they were saying a "25% improvement in fuel economy"?

If the average 1/2 ton gasser gets ~12 MPG around town/~18 MPG highway , that would mean the diesel would get ~15 in town/ ~23 highway.
1/2 ton is probably 14 around town and the 18 highway sounds right. but I would hope for for better than 15-23 out of the diesel. Like I said I would HOPE. Still beats the gasser thou.
 

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Senior Member
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204 Posts
Looks like a slant six to me.
 

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Senior Member
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883 Posts
thejdman04 said:
:Well they will pry have to have a dpf (maybe more for the 2010 emission jump) so I would say itll be at least (just for the dpf) 1000 more then the gas option, thats jsut for the dpf.
it will be more then $1k more because it will also have the SCR and urea injection. As of right now the numbers that they are shooting for...HP and torque are very impressive for a small block diesel:Thumbup:
 
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