• General Motors Adding More Fuel-Saving Direct Injection Engines For 2010
  • General Motors Adding More Fuel-Saving Direct Injection Engines For 2010
  • General Motors Adding More Fuel-Saving Direct Injection Engines For 2010
  • General Motors Adding More Fuel-Saving Direct Injection Engines For 2010

Thanks Thanks:  0
Likes Likes:  0
Dislikes Dislikes:  0
Results 1 to 8 of 8
  1. #1
    Site Administrator Rob's Avatar
    Join Date
    Sep 2000
    Location
    "Manchestah" NH
    Posts
    12,985
    Post Thanks / Like
    Rides
    1

    :G General Motors Adding More Fuel-Saving Direct Injection Engines For 2010

    General Motors Adding More Fuel-Saving Direct Injection Engines For 2010

    FOR RELEASE: 2009-04-08

    NEW YORK – The all-new, five-passenger 2010 GMC Terrain joins the rapidly growing list of vehicles with GM’s direct injected (DI) engines that use less fuel, make more power and produce fewer emissions. The Terrain brings to 18 the number of North American GM models that will feature DI in 2010 – more than any other manufacturer.

    “Direct injection is a key component of GM’s Advanced Propulsion Technology Strategy that uses multiple technology pathways to achieve increased efficiency and the diversification of energy sources,” said Tom Stephens, vice chairman, Global Product Development. “Because there is no single solution, we’re applying advanced technology where it makes the most sense for customers in regard to fuel efficiency, performance and cost. The efficiency gain with direct injection represents a great technological value that customers can benefit from immediately.”

    Both of the Terrain’s available engines – a new 2.4L four-cylinder and a 3.0L V-6 – come standard with DI, with 2.4L-equipped models estimated at 30 mpg on the highway (EPA certification pending). That puts GMC’s new crossover SUV at the top of its segment in highway fuel economy.

    Additional new GM models with DI include the 2010 Buick LaCrosse luxury sedan, the sporty 2010 Chevy Camaro, the redesigned 2010 Cadillac SRX and the 2010 Chevy Equinox crossover. They contribute to GM’s global initiative that will see eight distinct DI engines offered in 38 vehicle models around the world next year.

    “Direct injection is a near-term solution – along with hybrids and biofuels like E85 – that fits well within GM’s current portfolio, but our strategy envisions mid- and long-term powertrain solutions that will ultimately reduce vehicle emissions to zero, increase fuel efficiency dramatically and displace petroleum as the primary energy source,” said Stephens. “Vehicles like the 2011 Chevrolet Volt extended-range electric vehicle and our advanced fuel cell-electric prototypes are tangible examples of GM’s vision.”

    How direct injection works

    In a conventional port fuel injected engine, air and fuel are mixed before they enter the combustion chamber. With GM’s DI engines, fuel is sprayed directly into the cylinder where it is mixed with air. As the piston approaches top-dead center, the mixture is ignited by the spark plug; and when the fuel vaporizes in the cylinder, the air and fuel mixture is cooled. This enables the use of a higher compression ratio in the combustion chamber, which improves the engine’s power and efficiency.

    On cold starts, direct injection can be controlled to create a richer air/fuel mixture around the spark plug, making it easier to ignite in a cold engine. This results in a smoother operation of the engine and lower emissions during the cold start and warm-up, when most harmful tailpipe emissions are typically created. GM’s direct injected engines reduce cold-start vehicle emissions by 25 percent.

    GM’s DI lineup

    The range of 2009 and upcoming 2010 GM models that offer the efficiency of direct injection includes the following – with additional models to be announced later:

    Buick Enclave: This popular crossover offers an efficient 3.6L DI engine that delivers a class-leading EPA highway rating of 24 mpg (FWD models).

    Buick LaCrosse: All-new for 2010 and going on sale this summer, the redesigned Buick LaCrosse will offer DI engines exclusively, including a 3.0L V-6 and 3.6L V-6.

    Cadillac CTS and CTS Sport Wagon: The CTS sedan and new CTS Sport Wagon come standard with a 3.0L DI V-6 in 2010. Also available is a 3.6L high-feature DOHC V-6 engine that was named to Ward’s AutoWorld’s 2009 “Ten Best Engines” list for North America – for the second consecutive year. With the 3.6L DI engine, the CTS sedan is rated at 26 mpg on the highway.

    Cadillac SRX: When it hits the street this summer, the redesigned 2010 SRX crossover will offer a 3.0L DI engine that is expected to deliver highway fuel economy in the mid-20s (testing is ongoing).

    Cadillac STS: The STS uses a version of the CTS’ award-winning 3.6L DI V-6, giving this full-size sedan EPA-rated 26 mpg on the highway.

    Chevrolet Camaro: Chevy’s iconic sports coupe is back, with a powerful 3.6L DI V-6 that turns out 304 horsepower (227 kW) and EPA-rated 29 mpg on the highway.

    Chevrolet Cobalt SS: This sporty compact blends high performance with high efficiency; its 260-horsepower (194 kW) 2.0L turbocharged engine is EPA-rated at 30 mpg on the highway.

    Chevrolet Equinox: Arriving in dealerships this summer, the redesigned 2010 Equinox will offer two DI engines – a 2.4L four-cylinder rated at 30 mpg and a 3.0L V-6. Consumers who drive the 2.4L-equipped Equinox 15,000 miles per year will save 134 gallons of fuel or about $270 to $400 annually (assuming gas prices of $2 or $3 per gallon), as compared to the 2009 Equinox.

    Chevrolet HHR SS: Employing the same 260-horsepower (194 kW) 2.0L turbocharged four-cylinder DI engine as the Cobalt SS, the HHR SS model delivers 29 mpg in EPA-rated highway mileage.

    Chevrolet Traverse: The 2009 model with its 3.6L DI engine enjoys best-in-class highway fuel economy of 24 mpg (FWD models) of any eight-passenger SUV.

    GMC Acadia: An efficient 3.6L DI engine (similar to the Chevy Traverse, Buick Enclave and Saturn Outlook) contributes to this crossover’s class-leading EPA-rated 24 mpg (FWD models).

    Pontiac Solstice GXP: A turbocharged, 2.0L DI engine delivers driving thrills and fuel-economy thrift, with an EPA highway rating of 28 mpg (manual-transmission model).

    Saturn Outlook: This full-size crossover delivers downsized fill-ups, with its 3.6L DI V-6 rated at a class-leading 24 mpg (FWD models).

    Saturn Sky Red Line: Equipped with the same turbocharged, 2.0L DI engine as the Solstice GXP, Saturn’s sporty roadster also delivers 28 mpg on the highway (manual-transmission model).

    GM’s fuel-saving initiative

    GM’s direct injection push is part of a larger effort to implement multiple fuel-saving technologies across its vehicle portfolio. Twenty models in GM’s 2009 lineup deliver EPA-rated highway fuel economy of 30 mpg or more – more than any other automaker.
    GM’s non-hybrid models also rank first in highway fuel economy in both the midsize sedan and subcompact segments, with Chevrolet Malibu and Saturn Aura rated at 33 highway mpg; and Chevrolet Cobalt XFE and Pontiac G5 XFE rated at 37 highway mpg.

    Additionally, GM offers more models with fuel-saving six-speed manual transmissions than any other manufacturer in North America. That contributes to GM’s 2009 domestic car and light truck lineups’ estimated fuel savings of 700 million gallons when compared with the 2008 lineup, during the life of the vehicles. That means a saving $1.4 to $2.1 billion in fuel costs, assuming gas prices of $2 to $3 per gallon. It’s estimated that GM’s 2010 lineup will add another 1.1 billion gallons of fuel savings and $2.2 to $3.3 billion, relative to the 2008 lineup.

    About GM
    General Motors Corp. (NYSE: GM), one of the world’s largest automakers, was founded in 1908, and today manufactures cars and trucks in 34 countries. With its global headquarters in Detroit, GM employs 252,000 people in every major region of the world, and sells and services vehicles in some 140 countries. In 2008, GM sold 8.35 million cars and trucks globally under the following brands: Buick, Cadillac, Chevrolet, GMC, GM Daewoo, Holden, Hummer, Opel, Pontiac, Saab, Saturn, Vauxhall and Wuling. GM’s largest national market is the United States, followed by China, Brazil, the United Kingdom, Canada, Russia and Germany. 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.

    CONTACT(S):
    Susan Garavaglia
    GM Advanced Technology Communications
    Phone: 248-857-4368
    Mobile: 313-378-9335
    E-mail: susan.garavaglia@gm.com

    Tom Read
    GM Advanced Technology Communications
    Phone: 248-857-4006
    Mobile: 248-496-0852
    E-mail: tom.read@gm.com
    Rob Loszewski, Owner & Site Administrator
    Corvette Action Center
    Cadillac V-Net
    Cadillac XLR Net
    The Meadery
    Torque Network
    VetteTube
    NCRS Member #27792
    "Let your plans be dark and impenetrable as night, and when you move, fall like a thunderbolt." - Sun Tzu

    1990 Chevrolet Corvette ZR-1 , 350 Stock ZF 6-speed. Stock Bright Red

  2. #2
    Member LT4man's Avatar
    Join Date
    Jun 2003
    Location
    Chicago
    Posts
    2,214
    Post Thanks / Like
    Rides
    0

    Default

    I heard about Direct Ignition a while ago. I am glad to see GM using it in so many vehicles.

    WHILE YOU ARE SHOPPING FOR A DIRECT IGNITION VEHICLE, DON'T FORGET TO SAVE THE !
    An attendee at all the CruiseFests including the one which never happened.


    Autosig (Shadow) A

  3. #3
    Site Administrator Rob's Avatar
    Join Date
    Sep 2000
    Location
    "Manchestah" NH
    Posts
    12,985
    Post Thanks / Like
    Rides
    1

    Default

    So why haven't we seen Direction Injection on Corvettes? Here is a response to that question from Tom Read, GM Powertrain:

    Hey Rob,

    Great question. At this time we feel we have really great V8s that provide a excellent value for our customers and meet, and hopefully sometimes exceed, their expectations. Believe me however, that doesn't rule out the possibility of V8s with DI in the future.

    Let me expand your question if I may to "why don't we offer DI on our V8s at this time"?

    First as you might know for the 2010 model year, GM will have eight direct injected engines in 38 vehicle models, covering 10 percent of its global volume. In North America alone, GM will offer 18 models with direct injection in four and six cylinder engines.

    GM introduced DI with 2.2L Ecotec engine in Europe in 2004 in the Opel Signum. GM introduced its direct injection fuel delivery system in North America in the 2007 Saturn Sky Redline and Pontiac Solstice GXP. In other words we have deeply invested and committed to utilizing DI.

    With that said DI helps us improve emissions and fuel economy and improves power which can enable a lower displacement engine.

    Our V8s do great on emissions and, as you probably are well aware, in our trucks and Corvette provide some of the best fuel economy in the business. We have a number of features that we can and have added to some of our V8s to improve both fuel economy and emissions like active fuel management and variable valve timing. This is part of our overall strategy - to place technology where it is needed and not pigeon hole ourselves into a single-set solution.

    Here is a list of currently available DI engines in vehicles available now:


    2009
    Saturn Outlook 3.6L (281 hp, 11.3 CR, FE-17/24)
    Saturn Sky Red Line 2.0L (260 hp, 9.2 CR, FE-19/28)
    GMC Acadia 3.6L (281 hp, 11.3 CR, FE-17/24)
    Chevrolet Traverse 3.6L (288 hp w/dual exhaust, 11.3 CR, FE-17/24)
    Chevrolet Cobalt SS 2.0L (260 hp, 9.2 CR, FE-22/30)
    Chevrolet HHR SS 2.0L (260 hp, 9.2 CR, FE 21/29)
    Cadillac STS 3.6 L (302 hp, 11.3 CR, 17/26)
    Cadillac CTS 3.6L (304 hp, 11.3 CR, 17/26)
    Buick Enclave 3.6L (281 hp, 11.3 CR, FE-17/24)
    Pontiac Solstice GXP and GXP coupe 2.0L (260 hp, 9.2 CR, FE-19/28)

    Recently announced 2010 models
    2010 Chevrolet Camaro 3.6L (304 hp, 11.3 CR, 18/29 auto, 17/29 manual)
    2010 Buick Lacrosse 3.0L (255 hp, 11.7 CR, FE 18/27 est.) and 3.6L (280 hp, 11.3 CR, FE 17/26 est.)
    2010 Chevrolet Equinox and GMC Terrain 2.4L (182 hp, 11.4 CR, FE 21/30 est.) and 3.0L (264 hp, 11.7 CR, FE 18/25 est.)
    2010 - Cadillac SRX and Wagon 3.0L (265 hp, 11.7 CR, mid 20s tbd)
    Hope that helps.
    1990 Chevrolet Corvette ZR-1 , 350 Stock ZF 6-speed. Stock Bright Red

  4. #4
    Member
    Join Date
    Nov 2001
    Location
    Northern NJ
    Posts
    1,203
    Post Thanks / Like
    Rides
    0

    Default

    Should be a slam dunk for the corvette..

    Some have mentioned that using direct injection on an OHV V8. I don't know the details or why...

  5. #5
    Member LLC5's Avatar
    Join Date
    Sep 2004
    Location
    Wa.
    Posts
    1,912
    Post Thanks / Like
    Rides
    0

    Default

    Quote Originally Posted by Rob View Post
    So why haven't we seen Direction Injection on Corvettes? Here is a response to that question from Tom Read, GM Powertrain:

    [/size][/font]


    So, where's the answer?

  6. #6
    Registered User
    Join Date
    Jan 2009
    Location
    Pensacola,Florida
    Posts
    149
    Post Thanks / Like
    Rides
    0

    Default

    This should help our business get moving again in the right direction, up. Ace

  7. #7
    Member JohnGrawcock's Avatar
    Join Date
    Sep 2003
    Location
    Kokomo, IN
    Posts
    318
    Post Thanks / Like
    Rides
    0

    Default

    I'm definitely liking the idea of a 300 hp V6 Camaro as the next daily driver. Great MPG but still enough power to be fun.

    Actually, compare the new Camaro's fuel economy to that of a mini-van from the competition and then tell me who's green.

    Good job GM. Who says you have to get neutered to reduce emissions?
    All fast cars are fun but, an old Vette is a work of art.

    John G.

    Click this link for information on CAC group parking at Mid America's FunFest for Corvette 2011. Sept 16th-18th. http://www.corvetteactioncenter.com/...ml#post1072312

  8. #8
    Registered User
    Join Date
    Oct 2003
    Location
    Ledyard, CT.
    Posts
    518
    Post Thanks / Like
    Rides
    0

    Default

    Quote Originally Posted by JBsC5 View Post
    Should be a slam dunk for the corvette..

    Some have mentioned that using direct injection on an OHV V8. I don't know the details or why...

    THE DURAMAX OHV V8 HAS HAD DIRECT INJECTION FOR A LONG TIME; AS DO OTHER DIESELS!!!

Similar Threads

  1. Help! Opti-Spark Testing??
    By Donne Trav in forum C4 General Discussion
    Replies: 3
    Last Post: 10-04-08, 12:24 PM
  2. preignition & detonation
    By grumpyvette in forum General Automotive Discussion
    Replies: 0
    Last Post: 07-31-08, 12:32 PM
  3. Do the General Motors Cuts Impact the Bowling Green Plant?
    By Rob in forum Bowling Green Assembly Plant / National Corvette Museum News
    Replies: 0
    Last Post: 07-15-08, 09:51 PM
  4. fuel supply shortage
    By resto75 in forum C3 Technical and Performance
    Replies: 11
    Last Post: 10-27-03, 07:10 PM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •