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Go Back   Hummer Forums by Elcova > Hummer H3 Discussion Forums > General H3 Discussion

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  #1  
Old 03-08-2007, 01:32 AM
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Default GM's new Diesel

Cadillac to Debut GM's Powerful New V-6 Clean Diesel

-GM?s first production application of innovative, closed-loop combustion technology
-Cadillac CTS adds engine to its portfolio in 2009
-Low emissions, high performance and excellent fuel economy
-184 kW/(250 hp), 550 Nm (406 lb.-ft.) torque, 2.9-liter displacement
-Compact design enables transverse and longitudinal installation

General Motors Corp. unveiled a new 2.9-liter V-6 turbo-diesel engine that features state-of-the-art injection and combustion technology for low emissions and high performance.

The new engine (184 kW/250 hp) will be sold mainly in Europe and makes its debut at the Geneva Motor Show (March 8-18). Its first production application is scheduled for 2009 in the new Cadillac CTS.

?We expect the V-6 diesel to be highly competitive in the European luxury segment,? said Jim Taylor, Cadillac general manager. ?With its excellent low-end torque and its high power output, it is a great fit with Cadillac?s performance-oriented brand character.?

The compact dual overhead cam, four-valve V-6 engine belongs to a new GM family of diesel engines, featuring an innovative closed-loop combustion control system designed to meet future emissions standards. The engine can be installed in a longitudinal or transverse layout and can be adapted to a wide range of two- or four-wheel-drive vehicles.

GM?s development of the new engine is being coordinated under the leadership of GM Powertrain?s European operations in Turin, Italy, in cooperation with VM Motori based in Cento, Italy . GM Powertrain will focus on the development of the clean combustion process, electronic engine control and exhaust-gas aftertreatment, as well as calibration and integration into GM vehicles. VM Motori will build the new unit at its plant in Cento, Italy, and is responsible for the mechanical aspects of the engine?s design, development and bench testing.

?The V-6 diesel integrates leading technologies and will deliver outstanding performance, fuel economy and low emissions,? said Roger Johansson, GM Powertrain Europe vice president.

The V-6 engine management system enables optimal fuel economy as well as reduced emissions and noise by using a recently developed combustion control technology. Key enablers of the system are high-speed, piezo-resistive cylinder pressure sensors that are integrated within the engine glow plugs. These specialized sensors acquire real-time data from the combustion process, enabling instantaneous fine-tuning of the fuel injection process. In the future, this clean combustion control technology will be introduced in other GM Powertrain diesel engines.

The high-pressure, common-rail system provides up to 2000 bar (29,000 psi) injection pressure. The injectors are quick-firing, piezo-electrically actuated, allowing up to eight injections per engine cycle. The aftertreatment system includes an oxidation catalyst and a particulate filter that are close-coupled to the engine to achieve future emissions standards.

An electronically controlled variable geometry turbocharger generates boost pressure. The engine has a torque of 550 Nm (406 lb.-ft.) beginning at 2000 rpm, while providing effective fuel economy and reduced emissions.

The new, compact V-6 powerhouse features aluminum cylinder heads and a 60-degree bank angle, 83.0 mm bore and 90.4 mm stroke, which results in displacement of 2935 cubic centimeters. The engine block is made of stronger and lighter Compacted Graphite Iron (compared to lower-strength aluminum or heavier grey cast iron) to optimize engine packaging, weight, refinement and performance.

I'd like to have this in my H3.

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Old 03-08-2007, 01:35 AM
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Default Re: GM's new Diesel

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Old 03-08-2007, 01:43 AM
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Default Re: GM's new Diesel

Also heard today that the Trams Am may hit production in 2011.

I think GM is doing a good job of re-growing the business.
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Old 03-08-2007, 01:44 AM
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Default Re: GM's new Diesel

400+ lbs of torque
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Old 03-08-2007, 01:50 AM
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Default Re: GM's new Diesel





We could pull stumps out with our H3's with this thing.
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Old 03-08-2007, 03:48 AM
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Default Re: GM's new Diesel

Woop WOOP!!!!
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Old 03-08-2007, 03:57 AM
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Default Re: GM's new Diesel

put it innnnnnnnnnnnnnn my hummer. do NOW
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Old 03-08-2007, 06:43 AM
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Default Re: GM's new Diesel

OH MY GOD!!!!!!!
BETTER THAN SEX ON THE ROOF!!!!

F5FSTOP-------WILL THAT BLOCK FIT IN THE H3 ENGINE COMPARTMENT?

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Old 03-08-2007, 05:44 PM
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Default Re: GM's new Diesel

Sounds like lots-a electron-ic-ken gonnen on their.. Puter's sensors..etc..all kinds of doo-dads...and thing-a-ma-jigs..runnen round..

Not to mention 29,000 psi injectors...yeoooooooww..!! them there is some powerful squirters...

Better buy the extended warranty on that motor...
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  #10  
Old 03-08-2007, 09:08 PM
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Default Re: GM's new Diesel

I think they showed an H-3 with one in it on South Beach during Super Bowl weekend...

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Old 03-08-2007, 11:02 PM
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Default Re: GM's new Diesel

It had better get a LOT better mileage. Diesel's $3.19 a gallon here!!!!!

I love the idea, if it percentagewise made up the difference for the superexpensive fuel. I will have one (if they have common sense enough to put it in the H3)

It'll be about time to trade in our '06. They'd better bring back yellow though, or the deal's off!
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Old 03-10-2007, 05:43 AM
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Default Re: GM's new Diesel

Now that's what I'm talking about!! Yeah, baby!!

-Mac
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  #13  
Old 03-10-2007, 04:29 PM
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Default Re: GM's new Diesel

Quote:
Originally Posted by lance-n
OH MY GOD!!!!!!!
BETTER THAN SEX ON THE ROOF!!!!

F5FSTOP-------WILL THAT BLOCK FIT IN THE H3 ENGINE COMPARTMENT?


May fit, but don't hold your breath for one to arrive at the dealer; at least until after 2011.
I also would not suggest trying it without a new trans, t/case, front and rear axles; so it could be costly.
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Old 03-10-2007, 08:14 PM
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Default Re: GM's new Diesel

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  #15  
Old 03-10-2007, 08:22 PM
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Default Re: GM's new Diesel

Interesting, but sounds like a motor intended for cars, not trucks.
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  #16  
Old 03-10-2007, 11:24 PM
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Default Re: GM's new Diesel

Looks interesting. GM has a poor record on diesels. This could be a new dawn for future applications.
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Old 03-11-2007, 12:22 AM
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Default Re: GM's new Diesel

GM is also building a larger, 4.6L turbo (or twin turbo, I forgot). (I wonder what it will be installed in?) A few years off, but could be interesting.
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Old 03-11-2007, 06:35 AM
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Default Re: GM's new Diesel

Quote:
Originally Posted by wpage
Looks interesting. GM has a poor record on diesels. This could be a new dawn for future applications.

All I want is a baby Dmax. I'll sing to that record!
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