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06-15-2007, 08:58 PM
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#1
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GMHummerAdmin is
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Hummer H2 Gets A V8 Diesel Engine
GM Plans First Light Duty V-8 Clean Diesel For North America- High-efficiency V-8 scheduled for pickup trucks under 8,600 pounds Gross Vehicle Weight and HUMMER H2
- Low emissions, high performance and excellent fuel economy
- Expected to deliver class-leading torque, power and refinement
- Manufactured at the GM Powertrain Tonawanda engine plant
General Motors Corp. will introduce a new, state-of-the-art 4.5L V-8 Duramax turbo-diesel that improves engine fuel efficiency by 25 percent, reduces CO2 emissions by 13 percent and cuts particulates and NOx emissions by at least 90 percent for North American light duty trucks and the HUMMER H2 built after 2009.
The premium V-8 diesel is expected to deliver class-leading torque, power and refinement while maintaining a significant fuel efficiency advantage over comparable-output gasoline engines.
The new dual-overhead cam, four-valve V-8 diesel engine will fit within the same space of a small-block V-8 gasoline engine. This compact size is made possible by using integral cylinder head exhaust manifolds, integral cam cover intake manifolds and a narrow block.
"This new GM light duty diesel is expected to become a favorite among customers who require excellent towing ability and fuel efficiency," said Tom Stephens, group vice president, GM Global Powertrain and Quality. "It will meet the stringent 2010 emissions standards, and it will be compliant in all 50 states, making it one of the cleanest diesel vehicles ever produced."
Environmental benefits of the new engine include a 13-percent reduction in CO2 versus gasoline engines, and at least a 90-percent reduction in particulates and NOx compared to diesel vehicles today. This will be GM's first engine to use a selective catalytic reduction NOx aftertreatment system with a diesel particulate filter to help achieve the Tier 2 Bin 5 and LEV 2 emissions standards.
Technical highlights of the engine include aluminum cylinder heads with integrated manifolding; a variable-vane turbocharger with intercooling; a Compacted Graphite Iron (CGI) block for a stronger and lighter engine base (compared to lower-strength aluminum or heavier grey cast iron); and fracture-split main bearing caps and connecting rods for a precise fit. An electronically controlled, ultra-high-pressure, common-rail fuel system is used, which has the ability to inject fuel five times per combustion event to control noise and emissions.
"This new V-8 is not only a clean diesel meeting the toughest emissions requirements in North America, it also delivers an effortless performance feel because of its high torque across the speed range," said Charlie Freese, executive director of GM Powertrain Diesel Engineering. "It is also significantly quieter than other diesels on the road today, with noise and vibration performance approaching gasoline V-8 levels."
Freese said the new V-8's compact size enables it to fit in the envelope of a gasoline small-block engine, which provides GM the flexibility to introduce this engine in a wide variety of vehicle applications should there be future market demand.
The premium V-8 diesel engine is expected to deliver class-leading refinement, horsepower and torque and fulfill multiple vehicle applications with ratings in excess of 310 horsepower and 520 lb-ft of torque.
GM (Opel, Saab, Vauxhall and GMDAT ) currently offers 17 diesel engine variants in 45 vehicle lines around the world. GM sells more than one million diesel engines annually, with products that offer a range of choices from the 1.3L four-cylinder diesel engine sold in the Opel Agila and Corsa, up to the 6.6L V-8 Duramax diesel sold in full-size vans, heavy duty pickups and medium duty trucks in the U.S.
GM first introduced the Duramax diesel 6.6L V-8 in the U.S. in the 2001 model year and since then, customer enthusiasm for this heavy duty diesel has been outstanding. In fact, GM's heavy duty pickup truck market share has jumped nearly tenfold in the six years that Duramax engines have been offered.
General Motors Corp. (NYSE: GM), the world's largest automaker, has been the annual global industry sales leader for 76 years. Founded in 1908, GM today employs about 280,000 people around the world. With global headquarters in Detroit, GM manufactures its cars and trucks in 33 countries. In 2006, nearly 9.1 million GM cars and trucks were sold globally under the following brands: Buick, Cadillac, Chevrolet, GMC, GM Daewoo, Holden, HUMMER, Opel, Pontiac, Saab, Saturn and Vauxhall. GM's OnStar subsidiary is the industry leader in vehicle safety, security and information services. More information on GM can be found at www.gm.com.
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06-17-2007, 01:54 AM
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#2
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Junior Member
pffan1990 is
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Location: Danville, Kentucky
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Yippee! I waited for a day like this. Not only will the diesel V8 engine be out soon, but by the time it will, the Hummer H2 will have the redesigned interior! Any word on the transmission? 6-speed auto? How will this effect original crawl ratio?
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"There's no fate but what we make for ourselves" - John Connor
"I am hairy and smelly. I'm kinda like an animal" - Robert Barone
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12-12-2007, 01:13 AM
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#3
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Junior Member
bionichicken is
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NOW HOW ABOUT PUTTIN THIS ENGINE IN THE h3
Great to see you on the clean burn more efficienct bandwagon for diesel engines. This could have been done years ago. Now, this engine is the size that will fit in place of the GM small block V8 gasoline engine from what I have heard from a friend in engineering at GM. So what in the world is stopping your from also putting this new diesel in the h3 Alpha?????????????????????????
I, and let me say, many many other people would buy this vehicle as their SUV if this was done. We hate buying foreign made products. I want to buy AMERICAN. So GM get off your you know what and make something of quality that I as an American want to buy. You have all the pieces just DO IT!!!!!!! 
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05-02-2008, 02:49 AM
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#4
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Junior Member
Hummer Guy is
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Location: Texas
Posts: 27
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diesel plans got the ax...
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02-13-2009, 05:04 AM
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#5
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Junior Member
EugeneBancroft is
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Hummer H2 Gets A V8 Diesel Engine
hi,
Yippee! I waited for a day like this. Not only will the diesel V8 engine be out soon, but by the time it will, the Hummer H2 will have the redesigned interior! Any word on the transmission? 6-speed auto? How will this effect original crawl ratio?
sentersoftech.
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02-14-2009, 04:19 AM
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#6
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Senior Member
3hummers is
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Join Date: Jan 2008
Location: Newport Beach, CA
Posts: 1,081
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The diesel in the H2 got the axe, not going to happen.
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3hummers
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02-18-2009, 04:37 AM
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#7
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Hummer Driver ~2012
Hummer Aficionado_VT is
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Location: The Green Mountains, VT / Eastern-Most Panhandle of WV
Posts: 1,486
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This guy is trying to get you to visit his website - hes a spammer.
But a smart spammer, trying to further the "discussion".
Well done Eugene, but not smart enough!
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BLACK SHEEP HUMMER SQUADRON
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03-23-2009, 06:03 AM
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#8
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Junior Member
ErikBam is
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Hummer H2 Gets A V8 Diesel Engine
Rated at 310 horsepower and 520 pound-feet of torque, the engine is expected to be compliant with regulations in all 50 states. The automaker says it is quieter than current diesels, "with noise and vibration performance approaching gasoline V8 levels." The premium diesel will sit in the same space as a small-block V8, which will allow it to be used in a number of applications.
GM said it will spend $100 million to upgrade its plant here to build the new diesel. The latest funding will bring GM's investment in Tonawanda to $1.6 billion over the past 10 years. GM currently offers 17 diesel variants worldwide, ranging from 1.3-liter four-cylinder power plants in Europe to the 6.6-liter V8 in the U.S.
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09-09-2009, 07:36 AM
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#9
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Member
lovely09 is
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Join Date: Sep 2009
Posts: 50
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I'm sure most of us are waiting for its release.Nowadays,fuel efficiency in cars are important to save money.As the gas and other fuel prices increase,other basic needs also increase.
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04-09-2010, 06:16 AM
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#10
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Junior Member
leomartin6 is
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Join Date: Apr 2010
Posts: 1
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H2 with V8. omg.
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leomartin6
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