GeigerCars Hummer H2 Bomber

Hummer H2 Bomber GeigerCars has been released.

Designed to be the ultimate off-road vehicle, the Bomber features Mattracks 88M1-A1 rubber tracks (8.5" x 20" wheels with 305/60 tires are standard). Measuring 150cm (59.1") long and 40cm (15.7") wide, the tracks "guarantee unrivalled traction on virtually any type of terrain, whether the vehicle is needed for agriculture, emergency services or expedition."

The Geiger Hummer H2 Bomber is powered by 6.2-liter V8 engine developing 398 bhp at 5,700 rpm and 574 Nm of torque at 4,300 rpm. The power of the Geiger Hummer H2 Bomber is sent to the tracks via six-speed automatic gearbox.

The car also features a sunroof and a navigation system with a DVD-drive from Kenwood, a roof monitor with headphones and a rear view camera with a monitor in the rear view mirror. GeigerCars could also install an LPG Autogas system with 155 litre fuel tank and several other enhancements that will increase the fun factor and please any customer.

The exterior of the Hummer H2 Bomber GeigerCars comes in matte silver, has extra headlights on the roof and special decals “borrowed” from the military.
Inside you can find a Kenwood DVD player with a great nav system, a monitor for the rear seats and a panoramic roof.

Source: GeigerCars





Press Release

Hummer H2 "Bomber"

Armed for any conditions: Hummer with Mattracks rubber tracks

In its regular trim, the Hummer H2 not only looks fantastic, but also brings with it a real degree of off-road capabilities. But this can go much further, as GeigerCars.de have proved with the "H2 Bomber" on rubber tracks.

In contrast to the regular wheels with their 8.5" x 20" rims encompassing 305/60 tyres, the specialists from Munich have equipped their project SUV with a Mattracks 88M1-A1 rubber tracks at each wheel. Those massive structures, 40cm wide and 150cm long, guarantee unrivalled traction on virtually any type of terrain, whether the vehicle is needed for agriculture, emergency services or expedition. Even extreme gradients are handled without a sweat, not least thanks to the powerful 8 cylinders under the bonnet which gives you 398 bhp and 574 Nm of torque.

How well the GeigerCars.de Hummer acquits itself on the rubber tracks can be left to Autobild editor Wolfgang Blaube to experience: He explored to legendary Nordschleife of the Nürburgring in the depths of winter with the circuit covered in snow and was completely captured by the "new dimension of fun" after just a few kilometres.

Also in the interior of the GeigerCars.de "Bomber", finished in a matte silver, with extra headlights on the roof and the lettering printed in an army style, the fun factor is not missed out: The luxury design fulfils every wish and a sunroof is every bit a part of the Hummer project as the navigation system with a DVD drive from Kenwood, the roof monitor with headphones or the rear-view camera including a monitor in the rear-view mirror. If requested, the Geigercars team can of course equip each Hummer model with an economical LPG autogas system and other extras.

If you're on the lookout for an off-road master, the H2 is definitely the right choice. With a Hummer equipped with rubber tracks, no terrain remains inaccessible.

Technical details - GeigerCars.de Hummer H2

Engine: 6.2l V8
Power: 398 bhp at 5,700 rpm
Torque: 574 Nm at 4,300 rpm
Transmission: Six-speed automatic gearbox
Aluminium wheels: 8.5" x 20"
Kenwood sat-nav with DVD drive
Roof monitor with headphones
Rear-view camera with monitor in the rear view mirror
Other possible accessories: Mattracks rubber tracks, LPG Autogas system with 155 litre fuel tank, roof box with lighting, special silver matte finish, 35 x 12.50 R20 LT tyres.

Chrysler to develop new Fiat 500 electric vehicle for U.S.

Chrysler announced today that it will build an all-electric vehicle using the Fiat 500 platform. For those who don’t know the Fiat 500EV made its debut back in January at the 2010 Detroit Auto Show and the manufacturer promises that the vehicle will demonstrate the immediate benefits of the alliance between Chrysler Group and the Fiat Group.

The US edition will undergo further development at Chrysler hq in Auburn Hills, Michigan. "The alliance with Fiat presented new opportunities to merge Chrysler Group engineering knowledge with new platforms and the Fiat 500EV is an outstanding example of our efforts," said Chrysler engineering executive Scott Kunselman.

“The Fiat 500 is a small, lightweight platform perfect for integrating electric-vehicle technology.” added the same Kunselman.

Pricing for the Fiat 500EV will be “competitive with similar electric vehicles in the market.” Most automakers have all-electric vehicles planned over the next few years.





Press Release

Chrysler Group LLC to Develop New Fiat 500 Electric Vehicle for the
United States

• New Fiat 500EV demonstrates benefits of Chrysler Group and Fiat
  Group alliance
• Zero-emission Fiat 500EV provides an environmentally friendly,
  clean, quiet driving experience freeing customers from escalating fuel
  costs and costly oil changes
• Department of Energy provides up to $48 million grant toward test
  fleet of 140 Ram Plug-in Hybrid Electric Vehicles
• PHEV technology to improve fuel economy up to 65 percent with up to
  20 mile electric-only driving range

Chrysler Group LLC today announced its plans to engineer and produce a
pure electric vehicle using the Fiat 500 platform. Shown earlier this year
at the 2010 North American International Auto Show, the Fiat 500EV
demonstrates the immediate benefits of the alliance between Chrysler Group
and the Fiat Group as well as the speed at which the two companies can work
together on advanced vehicle programs.

"The alliance with Fiat presented new opportunities to merge Chrysler
Group engineering knowledge with new platforms and the Fiat 500EV is an
outstanding example of our efforts," said Scott Kunselman, Senior Vice
President Engineering-Chrysler Group LLC. "The Fiat 500 is a small,
lightweight platform perfect for integrating electric-vehicle technology."

The Fiat 500EV powertrain is comprised of three main systems; high power
electric powertrain module, advance lithium ion battery, and an EV control
unit to manage power flows. Beginning in 2012, Chrysler Group will
manufacture the Fiat 500EV for the United States market. All powertrain
engineering and vehicle development will take place at Chrysler Group
headquarters in Auburn Hills, Mich. Pricing will be announced closer to
launch, but will be competitive with similar electric vehicles in the
market.

Chrysler Group is the vehicle electrification center of competence for
both Chrysler Group and Fiat Group. The company is exploring ways to promote
zero-emission transportation and the development of an electric-vehicle
charging infrastructure through partnerships to be announced in the future.

Last year Chrysler Group announced the company's intention to build the
Fiat 500 with a combustion engine for North America. The vehicle will debut
in late 2010.

Ram Plug-in Hybrid Electric Vehicle (PHEV)

Chrysler Group has been selected for a U.S. Department of Energy (DOE) grant
of up to $48 million as part of a $2.4 billion American Recovery and
Reinvestment Act DOE Vehicle Electrification program. Chrysler Group is
planning to build a total of 140 Ram PHEVs for a three-year demonstration
project that includes various geographic and climatic locations across the
United States.

"This initiative represents how government, automotive industry,
suppliers and key partners are reaching common goals and demonstrates how
rapidly this type of advanced technology can be brought to market," said
Paolo Ferrero, Senior Vice President-Powertrain, Chrysler Group LLC.
"DOE-support for domestic advanced technology is an important enabler for
Chrysler Group and its key suppliers in order to understand and test
customer acceptance and the capability of PHEV systems in a variety of
real-world conditions."

The Ram PHEV features Chrysler Group's 5.7-liter HEMI V-8 with a two mode
hybrid transmission and a 12KwHr lithium ion battery. The vehicle is capable
of up to 20 miles of zero-emission, pure-electric range without the need for
gasoline. An overall fuel economy improvement more than 65 percent is
expected for average drive cycles. Chrysler Group has partnered with
Electrovaya Inc. to supply the advanced lithium Ion batteries for the Ram
PHEV test fleet.

The DOE grant will expedite the development of vehicle-electrification
technology. More than 21 Chrysler Group partners across the U.S., including
utility companies, government agencies and Universities will independently
test the Ram PHEV and provide valuable data for the advancement of the
technology.

In 2008, Chrysler Group announced the company's intention to bring a Ram
Hybrid Electric Vehicle (HEV) to market. After closely evaluating the
response to hybrid pickups in the marketplace, the company could not
formulate an appropriate business case and has decided to cancel development
work on the 2011 Ram HEV.

Chrysler Group's alliance with Fiat Group brings new platforms and
technologies that allow the company to create an improved long-term product
strategy with greater fuel efficiency and reduced emissions. Chrysler
Group's five-year plan has an uncompromising product schedule, including a
progressive vehicle electrification strategy.

Hummer H2 by CFC

Hummer’s days as America’s monster machine may be numbered, but it doesn’t mean that people will stop tinkering with it. After all, it is one of those rare vehicles that seems to have grown quite a cult following in the US.


The CFC Hummer H2 also comes with LSD wing doors and a FOX sports exhaust system. At the interior, the CFC Hummer H2 is fitted with several 17 Axion displays (on the ceiling, sunscreen, central console between the front seats, trunk and doors)a DVD-player, XETEC amplifiers, XETEC subwoofers and digital television. The CFC Hummer H2 also comes with a 1.360-Watt RMS sound system. Other luxuries provided by the CFC Hummer H2 include a reverse camera, a mini-bar and a leather and Alcantara upholstery.


The 480 hp (353 kW) H2 comes with massive 28-inch light alloy wheels wrapped in Kumho tires of 325/35 R28 dimensions. There are also the interestingly-named LSD wing doors and a FOX performance exhaust system.


More Photos



Press Release

Burning Chrome - Hummer H2 by CFC®CarFilmComponents

Take your Hammer and drive it sexy: CFC® company with its head office in Weilheim has trimmed its Hummer with a striking "chrome" lamination. Tarted up with every imaginable outfit, the sport-style H2 steadily takes the lead. Some vehicles are completely laminated afterwards, the others, on the contrary, already have it right inside. The Hummer by CFC® has it both: it's a Hummer to stare at and to speak about.

The trend of decorating a car with film to create a noticeable work of art had already been attempted by the CFC® years ago. In the meantime, this exceptional art of car lamination was outstandingly applied... and this is really great!

The motor hood was covered with CFC® ExteriorStyle Premium "black carbon", and side windows, along with the rear window, were furnished with CutLine ThermoTec® of the "classic-style" colour.

The installed 28-incher TunerShop light-alloy tyre rims, for example, produce the same attractive and fear-arousing effect as the outside appearance. They carry mammoth-sized 325/35 R28 pneumatic tyres by Kumho.
The Wimmer technology of performance improvement by means of software optimization by 480 hp, LSD wing doors, as well as FOX sports exhaust system make every Hummer a dangerous monster of the streets.

The Hummer driver can enjoy the saucy performance to the full in a totally stuffed cabin: Car Entertainment devices create a sort of incantation here. Among other things, there are 17 Axion displays (on the ceiling, sunscreen, central console between the front seats, trunk and doors), a DVD-player, XETEC amplifiers, XETEC subwoofers and digital television to feast your eyes on. For the "musical therapy" a 1.360-Watt RMS music system is available.

Front and backward movement cameras simplify the parking process. Everyone who appreciates convenience can comfortably sit on the leather couch right next to the mini-bar. No other thing compares to the mix of leather and Alcantara which was used as coating material for the most of surface of seats and saloon siding and was covered by the auto tuners Zwickenpflüg.

New corvette’s 2010 GT2 C6.R Is Based On The ZR-1 [Video]

General Motors has revealed their second-generation Chevrolet Corvette C6.R racer, which is based on the 2010 Corvette ZR1. The new 2010 C6.R will be powered by a 485-horsepower 5.5-litre V8 engine and it will compete in 2010 American Le Mans Race Series.


“Simply put, without Corvette Racing, there would not be a Corvette Z06, much less the ZR1. And, without the foundation of the Corvette C6, Z06 and ZR1, the Corvette Racing team would not be the dominant presence in production-based racing.”


Power comes from a naturally aspirated 5.5-liter V-8 with 485 hp (362 kW / 492 PS), instead of the ZR1's supercharged 6.2-liter V8 with 638 hp (476 kW / 647 PS). To compensate for the 153 hp (114 kW /155 PS) missing ponies, the Corvette Racing team put the C6.R on a strict diet. It weighs 2745 lbs (1245 kg), which is 579 lbs (263 kg) less than the standard ZR1.


As specified by GT rules, the C6.R uses many production-based components from the ZR1. Carry over items include the body design, aerodynamic package, aluminum frame, chassis structure, and steering system.


Besides the new engine, the C6.R features a revised suspension, steel brake discs (instead of carbon-composite rotors), a 26.4 gallon fuel tank (29 gallons in ALMS E85R spec), and 18-inch wheels outfitted with Michelin racing tires.


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Press Release

New Corvette Racing C6.R and Production Corvette ZR1 Represent the Culmination of More Than 10 Years of Technology Transfer

Updated C6.R to Race in 2010 Le Mans, 50 Years After Corvette's First Appearance in Legendary Endurance Race

DETROIT - Corvette Racing's second-generation C6.R will be powered by a new 5.5L production-based V-8, to compete in the new unified GT class in the 2010 American Le Mans Series as well as the GT2 class at the 24 Hours of Le Mans. The updated C6.R and the Corvette ZR1 on which it's based represent the strongest link yet between a production Corvette and the modern Corvette Racing team. Both cars are well-equipped to compete on and off the track with showroom competitors including Aston Martins, BMWs, Porsches and Ferraris.

Corvette has a long history of production-based endurance racing, making its first appearance at the 12 Hours of Sebring in 1956, and its first appearance at Le Mans in 1960. Then Corvette chief engineer Zora Arkus-Duntov leveraged the racing program to improve the production Corvette, as evidenced by the development of heavy-duty and high-performance components and the introduction of the race-bred Z06 option on the 1963 Corvette Sting Ray.

The transfer of technology between racing and production cars resumed with the start of the modern Corvette Racing program in 1999. More than a decade later, it's impossible to imagine one team without the other, according to Tadge Juechter, Corvette chief engineer:

"Simply put, without Corvette Racing, there would not be a Corvette Z06, much less the ZR1. And, without the foundation of the Corvette C6, Z06 and ZR1, the Corvette Racing team would not be the dominant presence in production-based racing."

1999 - 2004: The C5-R acts as a catalyst for Corvette performance

Corvette Racing campaigned the C5-R from 1999 through the end of the 2004 season. The first-generation car scored 35 victories in 55 races, won its class at the 12 Hours of Sebring three consecutive years, posted three 1-2 finishes in the GTS class at the 24 Hours of Le Mans, and earned four consecutive ALMS manufacturers championships for Chevrolet.

It also served as a catalyst for Corvette performance.

In 1999, the fifth-generation Corvette C5 produced 345 horsepower from its 5.7L V-8. Leveraging the powertrain technologies developed for the C5R, Corvette brought back the hallowed Z06 moniker in 2001, packing a 385 horsepower 5.7L V-8.

In addition, the C5-R helped shape the sixth-generation Corvette, introduced for the 2005 model year. Corvette Racing's influence could be seen in the C6 Corvette design, which featured flush headlights for better aerodynamics; a single, large grille opening for the engine air intake, radiator, and brake cooling; a lower coefficient of drag; and low 3,179 pound curb weight. Lessons from racing were also integrated in the 6.0L LS2 V-8, the most powerful standard Corvette engine to date, with 400 horsepower and 400 lb-ft of torque. As a result, the C6 Corvette delivered unprecedented performance, including a 186-mph top speed, acceleration from 0-60 mph in 4.1 seconds, and quarter-mile runs in 12.6 seconds at 114 mph.

2005 - 2009: The co-development of the C6.R and Z06

The C6 Corvette served as a foundation for the joint development of two new, high-performance Corvettes: the 2006 Corvette Z06 and the Corvette Racing C6.R, introduced in 2005.

Both cars were powered by 7.0L small-block V-8 engines, with dry-sump lubrication systems, CNC-ported aluminum cylinder heads, titanium valves, forged steel crankshafts, and plate-honed cylinder bores.

For the Z06, the collaboration translated into 505hp, 470 lb.-ft. of torque, and searing performance: 198-mph top speed, acceleration from 0 - 60 mph in 3.7 seconds, and quarter-mile runs in 11.7 seconds at 125 mph. Racing's influence was also evident in the Corvette Z06 use of lightweight carbon fiber front fenders and wheelhouses, and aerodynamics package - including a front splitter, air extractors behind the front wheels, radiused trailing edges on the wheel openings, brake cooling scoops, widened rear fenders, rear diffuser, and spoiler.

For the C6.R, homologation on the Z06 translated into 42 wins, four consecutive ALMS drivers and manufacturers championships, and three victories at the 24 Hours of Le Mans.

2010: Introducing the second-generation C6.R, based on the ZR1

In the 2010 American Le Mans Series, Corvette Racing will compete in the series' production-based GT category (formerly GT2) and in the GT2 class at the 24 Hours of Le Mans with a second-generation C6.R that is homologated on the Corvette ZR1.

The GT rules require the use of many production-based components, making the ZR1 and C6.R the closest street and racing Corvettes since the 1960s.

Introduced for the 2009 model year, the ZR1 is the fastest, most powerful car ever produced by Chevrolet. To deliver 638 hp, the LS9 V-8 engines are hand-built using many of the processes developed by the race team. To deliver a 205-mph top speed, the ZR1 aerodynamics package also utilizes race technology - including wide carbon fiber front fenders with dual vents, a full-width rear spoiler, and a front splitter.

The updated C6.R utilizes the ZR1 body design, aerodynamic package, aluminum frame and chassis structure, steering system, windshield, and other components.

Aluminum frame: The new Corvette C6.R is built on the same aluminum frame rails that underpin production Corvette Z06 and ZR1 models. Other production chassis structures in the race car include the windshield frame, the hoop around the rear of the passenger compartment, the door hinge pillars, the drivetrain tunnel, the firewall, and the floor pan.

Steering system: The new Corvette C6.R utilizes the production steering column out of the ZR1, with a fully adjustable steering wheel, and production rack-and-pinion steering rack.

Body profile: The Corvette C6.R race car is now virtually identical to the Corvette ZR1 street car in appearance, as GT rules require production-type fenders with simple flares to accommodate wider tires.

Aerodynamics: The new C6.R utilizes the full-width, production rear spoiler from the ZR1, and a production-based ZR1 front splitter that extends 25mm, in contrast to the 80mm splitter allowed under the GT1 rules. Although the aerodynamics package does not produce the same levels of downforce as the GT1 car, the C6.R is more predictable over a wide range of speeds.

Where the C6.R and ZR1 differ significantly are in situations where GT rules actually prohibited the use of the more sophisticated ZR1 components. For example, the ZR1 is equipped with carbon-composite brake rotors, while GT regulations require ferrous (steel) brake discs. And, where the ZR1 utilizes a 6.2L, supercharged V-8, the C6.R will use a naturally aspirated small-block, production-based 5.5L V-8.

The Corvette C6.R race cars' 5.5-liter Chevrolet small-block V8s are developed, built and maintained by GM. The Corvette C6.Rs' LS5.5R is a naturally aspirated race engine, based on the Corvette Z06's 7.0-liter LS7 engine (which in turn was developed with the 7.0L race engine used in the C6.R GT1 cars), built on production cast-aluminum cylinder blocks.

Pending GT2 class regulations specify a maximum displacement of 5.5 liters, the reduction in displacement to meet this requirement was achieved by shortening the crankshaft stroke and reducing the cylinder bore diameter. In accordance with the regulations, the race engines have two 28.8mm diameter intake air restrictors. The LS5.5R engines are equipped with dry-sump oiling systems, CNC-ported aluminum cylinder heads with titanium intake and exhaust valves, and sequential electronic port fuel injection. The race engines use E85R ethanol racing fuel in the ALMS and E10 fuel in Le Mans.

Race on Sunday, Sell on Monday

Clearly, Corvette Racing's success in production-based endurance racing has played a significant role in improving the performance of the production Corvette. In addition, as the racing and production cars have become more closely linked, Corvette Racing has also shown a positive impact in Corvette sales.

"Corvette sales tracked directly to customer leads at ALMS races have doubled from 2005 to 2009," says John Fitzpatrick, Chevrolet Performance Cars marketing manager. "This proves what we have heard anecdotally from other Corvette owners: Watching production-based Corvettes win against legendary marques like BMW, Porsche and Ferrari, on legendary tracks like Sebring and Le Mans, makes Corvette all the more desirable."

2010 Corvette ZR-1 and Corvette Racing C6.R Specifications

	2010 Corvette ZR1	2010 GT2 Corvette C6.R
Displacement (L / ci):	6.2 / 376	5.5 / 336
Horsepower:	638 @ 6500 rpm	485 @5800
Torque (lb-ft):	604 @ 3800 rpm	na
Bore diameter (mm / in):	103.25 / 4.06	103.89 / 4.090
Crankshaft stroke (mm / in):	92 / 3.62	80.90 / 3.185
"V" angle (deg):	90	90
Cylinder bore spacing (mm / ci):	111.7 / 4.40	111.7 / 4.40
Valvetrain:	pushrod with overhead valves, titanium inlet	pushrod with overhead valves, titanium inlet and exhaust
Valves per cylinder:	2	2
Camshaft drive:	chain	chain
Cylinder case material:	aluminum	aluminum
Cylinder liners:	dry iron	aluminum
Cylinder head material:	aluminum	aluminum, CNC ported
Lubrication system:	dry sump	dry sump
Fuel system:	sequential EFI	sequential EFI
Throttle system:	supercharged w/intercooler, throttle body	individual runner
Fuel:	premium unleaded gasoline required	E85R ethanol (ALMS) E10 (Le Mans)
Body style:	two-door hatchback coupe	two-door hatchback coupe
Drivetrain:	longitudinal front engine, rear-wheel drive	longitudinal front engine, rear-wheel drive
Chassis:	hydroformed aluminum chassis, composite body	hydroformed aluminum chassis, composite body
Wheelbase (in):	105.7	105.7
Length (in):	176.2	176.2
Width (in):	75.9	78.6
Height (in):	49	45.9
Weight (lb):	3324	2745
Front suspension:	independent, short/long arm double wishbone, cast aluminum controls, transverse-mounted composite leaf spring, monotube shock absorbers, anti-roll bar	independent, short/long double wishbone, fabricated steel upper & lower, machined aluminum knuckle, coil-over multi-adjustable shock absorbers, anti-roll bar
Rear suspension:	independent, short/long arm double wishbone, cast aluminum control arms, transverse-mounted composite leaf spring, monotube shock absorbers; anti-roll bar	independent, short/long arm double wishbone, steel fabricated upper & lower control arms, machined aluminum knuckle, coil-over multi-adjustable shock absorbers, anti-roll bar
Brakes:	front and rear power-assisted carbon-ceramic disc with 6-piston front and 4-piston rear calipers, cross-drilled rotors, ABS	4-wheel disc with monoblock calipers, steel rotors and ceramic composite pads
Wheels (in):	19 x 10 (front); 20 x 12 (rear)	18 x 12.5 (front); 18 x 13 (rear)
Tires:	Michelin Pilot Sport 2 P285/30ZR19 (front), P335/25ZR20 (rear)	Michelin racing tires, 300/32-18 (front), 310/41-18 (rear)
Fuel capacity (gal):	18	26.4 (29 @ ALMS E85R spec)

2010 Ford Shelby GT500 Mustang by GeigerCars

GeigerCars has given a significant power increase to the Mustang Shelby GT500. The car's output was pumped up from 540 PS (397 kW / 533 bhp) to an impressive 810 PS (596 kW / 799 bhp).


Torque on the 5.4-liter V8 engine was increased up to 945 Nm (697 lb-ft). The power improvements are in part due to a 3.3-liter compressor which puts out 1.6 bar pressure. Other performance enhancers include better air flow, new cylinder heads, more coolers, bigger throttle valves, and upgraded fuel injection.


To cope with extra horsepower, Gieger has also fitted the GT500 with a three-disc carbon clutch and reinforced the six-speed transmission. Handling improvements have been made through a "racing chassis" (we're not sure what that means), a panhard rod with polyurethane bushings and adjustable lower control arms. Finally massive 15-inch, six-piston front brakes help haul the Shelby down from inevitable high speed runs.
via:world car fans

Press Release

GeigerCars.de - Ford Mustang GT "Shelby"

In the spirit of the Cobra!

Alongside the Ford Mustang V6 and its V8 brother Mustang GT there is the crowning glory of the series the wild Mustang Shelby GT500, which is equipped ex factory with 540 PS, an aggressive body and traditional double stripe paintwork. Anyone who remembers the American racing legend Carroll Shelby will be able to instantly imagine how uncompromising and purist the Shelby GT500 factory settings already are. The US car specialist Karl Geiger from Munich has now got its hands on this vehicle and take a look at how the upright Cobra has been transformed into an almost untameable monster!

810 PS, 945 Nm engine torque

As usual the engineers at GeigerCars.de from Munich operated on the open V8 heart of the American muscle car and in the process left no stone unturned. For more pressure they donated a 3.3 litre compressor to the 5.4 litre aluminium engine block which with its 1.6 bar supercharging pressure provides real fire in the forged crank drive. Larger throttle valves, a modified injection system, a 100 millimetre air flow meter and machined cylinder heads also guarantee that the inner organs are fine tuned. Additional coolers for charge air, coolant and engine oil ensure that the eight cylinder can always work at the perfect temperature range despite massively increased power.

Thanks to the massive changes the Geiger Mustang Shelby GT now generates a legendary 810 PS at 6,700 rpm, whereas the maximum engine torque of 945 Nm at approx. 4,300 rpm pulls on the increased differentials. Of course with so much engine torque the transmission also had to be reinforced and in the same step its 5th and 6th gears were shortened. A 3 disc carbon clutch produces smooth power transmission. A special manifold with racing catalytic converters and customised sport exhaust guarantee that exhaust gases are disposed of properly according to type.

High end chassis engineering

So that so much power can also be transformed in acceleration, GeigerCars.de fitted the Shelby with a special racing chassis as well as a Panhard rod made from chrome-moly steel including polyurethane bushes on the ends to balance the axial offset and new reinforced and adjustable trailing arms for improved rear axle directional stability. For the all-important contact to the asphalt surface four classic OZ alloy wheels in 8.5 and 10x20 inch guarantee adequate grip thanks to Michelin high performance tyres in 245/35ZR20 and 285/30ZR20. The upright Cobra is slowed down using 6 piston high performance brakes on the front axle with 380 millimetre large drilled or optionally slotted brake discs.

Perhaps this Mustang Shelby version would also put the fear of God into the US racing legend Carroll Shelby!

Technical data

Engine: 5.4 litre eight cylinder V with modular compressor, Ford GT aluminium engine block, machined cylinder heads, modified injection system, larger throttle valves, sport air filter, 100 mm air flow meter, cold air box, aluminium rocker arm, forged crank drive, 3 disc carbon clutch, reinforced transmission with shortened 5th and 6th gears, increased differential, engine oil cooler, 3.3 l compressor with 1.6 bar supercharging pressure

Power: 810 PS / 541 kW at 6,700 rpm

Max. engine torque: 945 Nm at 4,300 rpm

Maximum speed: 354 km/h

Wheels/tyres: OZ alloys, front 8.5x 20 in. with 245/35ZR20, rear 10x20 in. with 285/30ZR20

Brakes: VA 380 mm slotted discs with Geiger 6 piston brake calipers GT V6, brake hoses

Chassis: racing chassis, Geiger Panhard rod, reinforced and adjustable Geiger trailing arms

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Geneva Preview: Hennessey Venom GT

Hennessey Performance Venom GT fans won't be pleased to learn that the upcoming hypercar is not coming to the Geneva Motor Show next month, no thanks apparently, to a lack of exhibition space at the event. Autoblog reports that HP will instead showcase the Venom GT for the first time at the Goodwood Festival of Speed in the UK this July. US fans will get their first glimpse in Monterey.


The car is said to achieve power figures of around 746kW (1,000bhp) while peak torque is 1,288Nm (950 lb-ft) at 4,800rpm. It's all sent to the rear wheels from a 6-speed manual transmission.


Final testing is still going on so hopefully more concrete performance figures will be confirmed over the coming weeks.


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Chicago Previewed: New Dodge Compact

Last week's Chicago Auto Show didn't hold a lot of surprise concepts or glamorous supercars, but there were a few key developments for car shoppers, including a hint at a new Dodge Compact car. The preview, given at the Economic Club of Chicago toward the end of the media days, reveals a new small car that is expected to use a modified Fiat Group platform, and will be one of the first joint projects of the new Fiat-Chrysler partnership.


When Fiat chief Sergio Marchionne took over at Chrysler he made it clear that one of his key issues was adding more small cars to Chrysler-owned brands' lineups. Recalling Dodge's product plans (chart included) for the future, it includes a small Fiat rebranded as a Dodge. With some reports speculating ties with the Dodge Hornet Concept from 2006, the car could come by 2013.


According to Dodge’s product plan, a small Fiat Group-derived vehicle will debut in 2013. The rendering reminds me of a streamlined version of the 2007 Dodge Hornet concept. This vehicle could be based off the same platform that underpins the Fiat 500. Whatever it is, Dodge desperately needs it now.
via:thecarconnection

General Motors is considering adding a coupe to Buick's lineup

Now that General Motors has almost completed shedding its non-core brands, the company is refocusing attention to its main brands. The company is in research and development of a new sport coupe that could be sold as a Buick.


"Buick definitely needs more product in the pipeline," John Cafaro, director of design for Buick and Chevrolet, said in an interview last week at the Chicago Auto Show.

"My role is really being a zealot for getting Buick more youthful, more spirited and probing ideas [for] coupes, more expressive vehicles. That is really my job."


The automaker is in a similar position as Cadillac had been, with only an aging market segment showing any interest. According to Cafaro, Cadillac knew that they had "to carve a new image. That is where Buick is right now," he told the news outlet.


So far, five models -- all sedans and crossovers -- have been approved for Buick. The redesigned LaCrosse went on sale last fall. The 2011 Regal sedan goes on sale this spring. A small, unnamed sedan that will share a vehicle platform with the Chevrolet Cruze goes on sale in 2011. The Lucerne will be dropped in a year or so.


"Buick definitely needs more product in the pipeline," Cafaro said, later mentioning that the company needs a new car that makes a statement. Any such car would become Buick's flagship.


Cafaro said a coupe would make a statement for Buick, "and a statement means it is going to be the flagship. All the design cues and everything would drive themselves down into all Buicks.


"A coupe is definitely where you say, 'I'm back.' "

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Video: Next Generation Concept IndyCar Unveiled in Chicago

DeltaWing LLC, of Indianapolis, introduced the future of open wheel racing today at the Chicago Auto Show, aimed at realigning America's premiere racing tradition with current automobile industry and consumer trends. DeltaWing calls on technological innovation to return racing to cutting edge relevance in the search for extreme performance with less environmental and financial resources.

"Today marks a fundamental shift in how race fans and the general public will view all racing cars in the future; this is a game changer" said Dan Partel, Chief Executive Officer of DeltaWing LLC. "This radical prototype takes open wheel racing to a new level from both an engineering standpoint and the overall spectator experience."

The car also marks the next step in the industry's dedication to becoming more environmentally responsible. DeltaWing has identified that this marketplace trend can be applied to the IZOD IndyCar Series and has developed this concept car using the most advanced American technology.

By targeting reduced aerodynamic drag and lighter weight, the DeltaWing design achieves record breaking on track performance with only half the engine power of its recent predecessors. The unique vehicle design provides optimum and consistent distribution of loading for the Firestone Firehawk tires, which are specifically developed for the dynamic characteristics of the DeltaWing racer. The futuristic form aims to appeal to a younger demographic audience who is increasingly in search of technological innovations to solve the requirement for sustainable personal mobility. DeltaWing LLC will design, engineer and supply a running prototype by August, 2010.
Revolutionary design from every angle

• Ultra narrow front track design saves weight, while fairings for the Firestone tires reduces aerodynamic drag and prevents wheel interlocking

• Delta plan view shape provides undisturbed airflow to the downforce generating ground effect underbody venturi located beneath the car's center of gravity just ahead of the widely spaced rear wheels. Highly efficient downforce with negligible wake ensures minimal loss of aerodynamic performance for a trailing car thus enhancing the on-track overtaking spectacle

* Uncluttered side view with rearwards driver location provides ideal sponsorship positioning and true single-seater appeal. The highly prominent tail fin replaces the conventional inverted aerofoil in order to broaden the yaw stability envelope without inducing aerodynamic drag on straight-aways

"We are confident that this car will outperform the current generation IndyCar and do it in a more environmentally friendly way," said Partel. "Auto racing has always been a powerful marketing tool for propelling new technology into the hearts and minds of consumers. This new car was specifically designed to be more closely aligned with the new reality of automobiles that are arriving on the road today. Consumers are choosing cars that provide impressive performance capabilities but with greater fuel efficiency. This prototype IndyCar features those same characteristics, making it much more relevant to the public and the auto industry. It is our goal to make participation in the series highly attractive to the automobile manufacturers as well as the fuel, technology, information and entertainment corporate sectors."

DeltaWing anticipates the final car will weigh a remarkable 50 percent less than the current generation IndyCar and crucially, generate only half of the aerodynamic drag. This combination requires substantially less horsepower to generate speeds of over 235 miles per hour while delivering a 100% improvement in fuel efficiency.

"Our goal is to have our first prototype on the track in August," said Partel. "We look forward to an exciting development project with the Indy Racing League to ensure that all of their requirements are met for DeltaWing to become the next IZOD IndyCar in 2012."

"Today, we saw the future of racing unveiled", said Bill Lafontaine, Chief Marketing Officer. "This revolutionary car and business concept ushers in a new era in racing and reinforces the strong tradition of innovation in open wheel racing. This initiative reaffirms America's ability to lead in the automotive field. We look forward to the development of the car and our first running prototype."


About the DeltaWing IndyCar Prototype

Initial concept work by Ben Bowlby started with a clean sheet approach and began in January, 2009 at Target Chip Ganassi Racing in Indianapolis. The first prototype car will be powered by a 2.0 liter 4 cylinder turbocharged engine. Final horsepower figures will be based on the car's performance on the track, but by using state-of-the-art computer modeling, it is anticipated that the engine will need to produce approximately 300 horsepower to attain the performance targets and will run over 4,000 miles before requiring a rebuild, a dramatic 100% improvement over the current engine.

"The DeltaWing Concept is more than just a new and exciting racing car; it is about creating a platform that moves racing into the new era of information entertainment", said Bowlby, Designer and Chief Technology Officer. "Once we have successfully production engineered and manufactured the first generation of team cars, those cars will form the beginning of a constant evolution formula. Our intention is to publish the entire design detail via the DeltaWing website where access will be available to everyone and so provide a unique participation opportunity and insight into the engineering world of modern racing cars. Just as we hope to see multiple engine suppliers with different configurations and displacements, we also hope to create a framework that will allow us to see a varied and ever changing grid of racing machines in a sustainable, cost controlled and high value manner. We will be unveiling these plans once the prototype is up and running. As we design the DeltaWing prototype, safety, efficiency, value and cost are our main priorities; the goal is that more teams and drivers will have the opportunity to compete in the IZOD IndyCar series. At this point we anticipate a complete car with engine will sell for $600,000."


Key Specifications (estimated)

• Weight with driver: 1,030 lbs.

• Horsepower: 300 BHP

• Wheel base: 125 inches

• Front track: 24 inches

• Rear track: 70 inches

• Aerodynamic drag: Cd 0.24

Key Technical features

• Engine and transmission are "non-stressed members" of the chassis structural design which allows teams to install a wide variety of lightweight powertrains

• The prototype will feature a 4 cylinder turbo charged engine that will produce approximately 300 horsepower at 7,000 rpm and weigh only 160lbs fully dressed

• Engine capacity, RPM and configuration freedoms are anticipated given only that the rate of fuel delivery to the engine will be controlled by a specially developed fuel flow rate control unit

• Vehicle weight distribution is necessarily more rearward than traditionally seen with 72.5% of the mass on the larger rear tires

• 80% of the aerodynamic downforce acts on the rear of the car

• Inline traction under acceleration through the rear tires is greatly enhanced by rearward weight and aerodynamic distributions

• Unique amongst today's racing cars 60% of braking force is generated behind the center of gravity giving a dynamically stable response

• Locking propensity of the inside front wheel on corner entry is greatly reduced

• Transission features 6 speed oval and 5 speed plus reverse road track configurations with sequential paddle shift actuation

• Differential features full torque vectoring active technology with driver control of gain for balance adjustment. "Active stagger" removes the expensive necessity for staggered rear tire diameters for ovals

• Advanced computer modeling of structures, impact energy management, aerodynamics, vehicle dynamics and tires has been used to develop the virtual DeltaWing car

• The car's performance has been simulated on each configuration of race track encountered during the IZOD IndyCar Series Championship

• Modern advanced materials and CNC construction techniques applied to achieve gains in light weight structures and occupant safety

• Driver position, restraint layout and energy absorbency facility designed with the latest data on survival criteria

Visit www.deltawingracing.com for additional information and to follow progress on the design and development of the concept


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Chicago Debuts: 2011 Chevrolet Silverado Heavy-Duty Facelift

2011 Chevrolet Silverado Heavy-Duty Trucks At A Glance

• Segment-best towing (20,000 lb / 9,072 kg) and payload (6,335 lb / 2,873 kg) supported by all-new frames and strong suspensions for maximum capability
• Class-leading torque, class-leading fuel economy with up to 63-percent lower emissions and quicker acceleration with new 6.6L Duramax diesel mated to new Allison 1000 six-speed automatic transmission
• B20 biodiesel capable
• All-new exhaust brake system for greater feeling of control and reduced brake pad wear
• Comprehensive set of confidence- and control-related features, including trailer sway control, integrated trailer brake control, hill start assist, automatic grade braking and intelligent brake assist
• Bold and new exterior design features louvered hood, front bumper, grille and 20-inch wheels
• Extended cab models feature 170-degree-opening rear access doors for unobstructed access to the interior
• Purposeful technology, including available mobile WiFi, USB connectivity, Bluetooth connectivity, XM Satellite Radio, OnStar 9.0 and navigation
• Goes on sale this summer

BRING IT ON – 11 WAYS THE NEW 2011 CHEVROLET SILVERADO HEAVY-DUTY TRUCKS PROVE THEY’RE READY FOR ANY JOB OR COMPETITOR

CHICAGO – On a recent validation drive of the new, 2011 Chevrolet Silverado heavy-duty trucks, engineer Brent Deep towed a 20,000-pound (9,072 kg) trailer for 245 miles (400 km) along I-70 between Denver and Grand Junction, Colo. – and he barely touched the brakes the entire way.

Deep relied on the Silverado’s new, smart exhaust brake system to slow the truck/trailer combination on descents, helping prove the new system is suitable for the most demanding conditions. It was a drive across the heart of the Rocky Mountains and some of the interstate system’s steepest grades, with altitudes ranging from Denver’s approximately 5,000 feet (1,525 m) to more than 11,100 feet (3,400 m) at the Eisenhower Tunnel.


“It takes some courage to leave your foot off the brake, but the Silverado’s Duramax engine and Allison transmission perform the task with smoothness and confidence that really impresses,” said Deep. “Better still, the exhaust brake system can help extend brake pad life and help avoid overheating the brakes on long descents.”

The exhaust brake system feature is just one of the elements that makes the new 2011 Silverado 2500HD and 3500HD models the most capable in the industry. They go on sale this summer.

“We sought the input of our customers during the development of the 2011 Silverado HD to deliver a truck that meets or exceeds their every need,” said Jim Campbell, Chevrolet general manager. “It offers greater strength and capability – including class-leading fuel economy, trailering and payload ratings – and has more power, accelerates quicker and has lower emissions. That sounds like the very definition of no compromises.”

The Silverado heavy-duty lineup is broader than ever, with 11 2500HD models and eight single- and dual-rear-wheel 3500HD models – including a new 3500HD Crew Cab with a 6.5-foot cargo box. WT, LT and LTZ trim levels are offered, and popular features such as the EZ Lift tailgate and rearview camera system return. All models bring greater capability, improved ride and handling and a greater feeling of driver control. Depending on the model:

• Segment-best fifth-wheel towing capacity of 20,000 pounds (9,072 kg)
• Segment-best conventional towing capacity increases up to 23 percent, with a maximum of 16,000 pounds (7,272 kg)
• Segment-best payload capability of 6,335 pounds (2,873 kg) on a complete vehicle
• Segment-best Gross Combined Weight Rating increases to 27,500 pounds (12,500 kg)
• Gross Vehicle Weight Ratings increases up to 17 percent to 13,000 pounds (5,909 kg)
• Front Axle Weight Rating increases by up to 25 percent to 6,000 pounds (2,721 kg)
• Snow plow capability is now enabled for all 4WD cab configurations

There are also enhanced powertrains, including a new Duramax 6.6L diesel/Allison 1000 six-speed transmission that offers the exhaust brake system, new front and rear suspensions, an improved brake system, hill start assist, trailer sway control system and more.

“Along with all their heavy-duty equipment, these trucks are designed to be stylish and refined, inside and out,” said Campbell. “We paid close attention to all the details, giving them a distinctive, muscular appearance on the exterior and a well-appointed interior with the comfort, convenience and safety features customers appreciate.”

Outside, the 2011 Silverado 2500HD and 3500HD models are distinguished by a power dome-style hood with a new, louvered design, as well as a new grille and full-width chrome steel front bumper. A new lineup of 17-, 18- and 20-inch wheel/tire combinations is featured, too (20-inch polished forged aluminum wheels are available on 2500HD).

Designers and engineers left almost no bolt unturned during the comprehensive redesign of the trucks. Here are 11 key elements that demonstrate the 2011 Silverado 2500HD and 3500HD are ready for any job and any competitor:

1. New frames

In the quest to comprehensively redesign the Silverado HD chassis to improve durability and ride, while also supporting increased capability, engineers developed 11 all-new, fully boxed frame assemblies. The frames have increased cross sections and use more high-strength steel for greater durability, higher towing capacity and improved ride and handling; the front sections are hydroformed.

The bending and beaming stiffness of the frames is increased 92 percent and 20 percent, respectively, with the fully boxed sections enhancing torsional stiffness by a factor of five. Also, larger engine and transmission mounts, coupled with a 125-percent-stiffer front frame structure, provide greater vibration control, while hydraulic body mounts are incorporated under the cab section on extended and crew cab models for a more isolated feel inside.

Engineers addressed common customer and aftermarket uses when designing the new frames, including adding access holes to the rear frame section to enable easier installation of fifth-wheel/gooseneck-style hitches. Also, the frame-mounted hitch for conventional trailering is stronger, with a box-tube design. It supports up to 16,000 pounds (7,257 kg).

2. New and strong independent front suspension

A completely redesigned independent front suspension system offers up to a 25-percent greater front axle weight rating – up to 6,000 pounds (2,721 kg) front gross axle weight rating (FGAWR) – enabling a snow plow to be used on all 4WD cab configurations with the available snow plow prep package, while also supporting improved ride and handling characteristics.

Silverado’s signature short-long arm/torsion bar front suspension design is retained, but now features new, forged steel upper control arms that are stronger and lighter than their predecessors. The new lower control arms are made of precision-machined cast iron to handle the greater loads. Five different torsion bar rates support five different front gross axle weight ratings (a single torsion bar was previously used for all models). This helps stabilize the range of trim heights of various models under load, while enhancing appearance, handling, durability, tire wear and alignment. The trim height is adjusted on each bar via a single bolt, easily allowing the height to be changed to account for the weight of a snow plow or other accessories.

The Silverado HD front suspension now uses a pair of urethane jounce bumpers on each side, instead of one, for improved load management; and there’s a new upper shock mount attachment design that’s positively connected to the frame with two fasteners. This design eliminates squeaks and clunks, while supporting higher load capability and increased durability.

Compared to competitors’ beam-axle front suspension, the Silverado’s independent front suspension provides a better ride, more accurate trim height control (with fewer parts) and greater flexibility to adjust the alignment for weight and tire sensitivity.

3. New asymmetrical leaf-spring rear suspension

Commensurate with the Silverado HD’s greater strength and capability is a rear suspension designed to support greater loads. It features a new, larger asymmetrical leaf-spring design that also contributes to improved ride and handling characteristics.

The asymmetrical design is derived from unequal front and rear spring half lengths, which minimize axle hop and enhance traction control efficiency. 2500HD models feature a two-stage leaf-spring design, while 3500HD models have a three-stage design. All models feature 3-inch-wide (76 mm) leaf springs that are 20-percent wider than previous models.

The larger leaf-spring design supports increased rear gross axle weight ratings across the board. On the 2500HD models, the rating is 6,200 pounds (2,818 kg) – up from 6,084 (2,765). On 3500HD models, the rating increases to 7,050 pounds (3,204 kg) on single-rear-wheel models and 9,375 pounds (4,261 kg) on dual-rear-wheel models – the latter representing a nearly 14-percent increase over the previous 8,200-pound (3,727 kg) rating.

4. Segment-leading towing and payload capability

Stronger frames, suspension systems with greater weight ratings and enhanced powertrain systems contribute to the Silverado HD’s class-leading towing and payload capability. The specifications charts included below outline capacities for each model and/or configuration, but here are the key facts:

• The maximum conventional (ball hitch) towing rating increases to 16,000 pounds (7,257 kg)
• A Silverado 3500HD crew cab/long box can tow up to 20,000 pounds (9,091 kg) with a fifth-wheel hitch. The 2010 Ram 3500 has a maximum rating of 17,600 pounds (8,000 kg) and the 2010 Ford F-350 is rated at a maximum of 18,800 pounds (8,545 kg). It should be noted that while Ford claimed segment-leading trailering and payload during its recent announcement of the 2011 Super Duty models, no towing ratings were issued
• The maximum payload (3500HD) is 6,335 pounds (2,873 kg) – that’s nearly 11 percent greater than the 2010 Ford F-350’s 5,730-pound (2,604 kg) rating and about 24 percent more than the 2010 Ram 3500’s 5,130-pound (2,331 kg) ratings. Again, while claiming segment-leading payload for the 2011 Super Duty models, Ford did not announce the ratings

5. New 6.6L Duramax diesel and Allison 1000 six-speed combination

Helping the new 2011 Silverado HD trucks deliver their best-in-class capabilities is a new version of the workhorse Duramax 6.6L diesel and Allison 1000 six-speed automatic transmission powertrain combination. The Duramax 6.6L is more powerful and durable and the Allison 1000 is stronger and helps enable new features, including the exhaust brake system. Together, this improved version of a proven combination is also expected to deliver segment-best fuel economy.

The Duramax 6.6L’s new and improved features include:

• Horsepower and torque expected to top previous model (testing is ongoing – check media.gm.com for updates)
• NOx emissions reduced at least 63 percent over 2010 models
• Quieter operation
• High-pressure (30,000 psi/2,000 bar) Piezo-actuated fuel system for greater fuel efficiency, improved performance and reduced emissions
• Exhaust brake system that enables controlled vehicle slowdown on downhill grades without actuating the brakes
• Selective catalytic reduction after-treatment system using diesel exhaust fluid (DEF) injection to provide the best overall diesel characteristics and performance – with a range of about 5,000 miles (8,000 km) between DEF refills
• Combustion and after-treatment have been optimized to provide about 700 miles (1,125 km) between diesel particulate filter regenerations – a 75-percent improvement over the previous system and significant contributor to improved fuel efficiency, as the regeneration process requires additional fuel
• B20 biodiesel capability for an alternative fueling option
• Internal revisions that improve durability

With nearly 1.3 million Duramax 6.6L engines produced since 2000, they have proven exceptionally durable and dependable. The internal elements that helped build its reputation are enhanced for 2011, including:

• Main bearings’ profiles changed to enhance oil film thickness
• Oil pump flow increased for increased pressure at low speeds
• The turbocharger’s oil circuit is changed to provide increased pressure at the turbo and faster oil delivery
• The connecting rods’ pin ends are modified to provide increased piston support
• New, higher-strength piston design that eliminates bushings to provide lower reciprocating weight
• An EGR cooler bypass reduces high-mileage soot deposits in the cooler and EGR circuit

The enhanced Allison 1000 for 2011 is strengthened to handle the higher torque capability of the new 6.6L Duramax engine, while also helping improve fuel economy and provide seamless assistance with a new exhaust brake system. Greater efficiency is delivered through reduced “spin loss” – meaning, the transmission channels more of the engine’s power to the axles, allowing it to do more with less fuel.

The Allison 1000 also features driver shift control with tap up/tap down shifting and a patented elevated idle mode cab warm-up feature. Also, the tow/haul mode reduces shift cycling for better control and improved cooling when towing or hauling heavy loads. The six-speed configuration retains its two overdrive gears for optimal efficiency.

Performance with the Duramax/Allison combination is also improved over previous models, with preliminary testing showing 0-60 mph times of less than 9 seconds and quarter-mile times of less than 16 seconds in 2500HD models. That’s about 0.3-second and 0.5-second quicker, respectively, than previous models.

6. Strengthened Vortec 6.0L/Hydra-Matic 6L90 six-speed powertrain

The venerable Vortec 6.0L gas V-8 with variable valve timing returns to the new heavy-duty trucks, along with a strengthened version of the Hydra-Matic 6L90 six-speed automatic transmission. This combination delivers excellent performance and efficiency, with a greater emphasis on low-rpm power.

A new camshaft profile in the Vortec 6.0L helps the engine produce more torque lower in the rpm band, for improved launch feel and a greater feeling of overall performance at higher altitudes and when towing a trailer.

The 6L90 is enhanced for greater strength, smoothness and quietness via:

• Adding four attachment bosses to the transfer case adapter (4WD models) for increased strength and smoother, quieter performance
• Increasing the cross section size of the transfer case adapter for greater strength
• Adding a new, stronger output shaft
• Adding a new heat shield and vent hose

7. Exhaust brake system

A new feature on Duramax-equipped models is an exhaust brake system. This driver-selectable feature uses the turbine control of the variable geometry turbocharger and the compression of the engine to generate backpressure, slowing the vehicle without applying the brakes. It is a smart system integrated with the cruise control feature and varies the braking to account for the grade and vehicle load.

The exhaust brake system allows for virtually effortless driving and towing, with seamless and quiet operation. It also helps prolong brake life and prevents overheating the brakes on long, downhill grades.

8. Large brakes

Brake feel and performance is greatly improved with the 2011 Silverado HD trucks. The standard four-wheel disc system is completely revamped to deliver smoother, more immediate and confident-feeling performance. Four-wheel, four-channel ABS is standard on all single-rear-wheel models and a three-channel system is standard on dual-rear-wheel models.

The front and rear rotors are larger in diameter – 14 inches (355 mm) – and width on all models to support their increased capacity, weight ratings and trailering ratings, while the calipers are stiffer and stronger. The hydroboost brake booster calibration is revised for reduced pedal effort and the travel of the pedal is also revised for a more comfortable, confident feel.

Larger wheel hub and bearing assemblies complement the new brake system and the rear rotors attach to the wheel hubs for easier servicing.

9. Refined and capable ride, handling and steering

Longer wheelbases – ranging from 133.6 inches (3,395 mm) to 167.7 inches (4,259 mm) – and wider front/rear tracks enhance the ride and handling characteristics of the Silverado 2500HD and 3500HD, giving them a greater feeling of smoothness and control.

The longer wheelbases and wider tracks are complemented by the new, stiffer frames, new jounce bumpers, shock mounts and hydraulic body mounts to provide a solid, smooth and isolated driving experience. New shocks were specially valved to support the new trucks’ weight ratings, while balancing excellent ride characteristics.

Also enhancing the driving experience is a revised steering system designed to support the trucks’ greater front gross axle weight rating. It includes a new, larger steering gear, power steering pumps and linkages. The pumps (different parts for gas and diesel models) deliver greater pressure for reduced steering effort in low-speed and parking maneuvers; they are also quieter. On some models, the new linkages feature a compliant joint added at the pitman attachment to enhance handling.

10. Comprehensive safety and functional technology

The 2011 Silverado 2500HD and 3500HD models have a comprehensive roster of safety features and functional technologies that include:

• StabiliTrak electronic stability control system on all single-rear-wheel models
• Larger, four-wheel disc brakes with standard four-wheel ABS
• A new high-strength steel tubular frame cross member that enhances safety and improves crashworthiness
• Seat pelvic/thorax and head curtain side air bags available on 2500HD
• Available rear backup camera
• Segment-exclusive OnStar 9.0
• Trailer sway control system on all single-rear-wheel models
• Hill start assist (standard on single-rear-wheel models)

Trailer sway control system provides an added measure of confidence when towing a trailer. The system senses conditions of trailer sway and intervenes with braking and/or reduced engine power to bring the trailer under control and keep it on its intended path. The system will use electric trailer brakes when a trailer is plugged into the standard wiring harness of the truck and its performance requires no input from the driver.

The hill start assist system is automatically engaged when sensors detect the vehicle is on grade of about 5 percent or greater. It holds the brakes for about 1.5 seconds or until the gas pedal is pressed, preventing rollback – it is particularly effective when towing, giving the driver time to switch from the brake pedal to the gas pedal without rolling.

11. Lives bigger, drives better, works harder

From the available remote starting feature to the unimpeded access offered by the 170-degree-opening rear access doors on extended cab models, the 2011 Silverado HD models live bigger, drive better and work harder. The interiors are refined, with improved quietness and attention to detail, but designed for working. Numerous storage compartments provide covered access for everything from work gloves to laptops.

Indeed, for many owners the Silverado HDs are mobile workspaces, offering mobile WiFi, USB connectivity, Bluetooth connectivity, XM Satellite Radio and a navigation system. Multiple charge points enable multiple electronic devices to operate simultaneously; and when equipped with the available navigation system, XM NavTraffic offers real-time updates of traffic conditions (in selected areas) that can help plan the most effective route to the job site.

Cold-weather customers will appreciate the Duramax 6.6L’s quick, reliable start-up, with a starting time on par with gas engines. Its glow plug cycle time is the segment’s best in all temperatures, taking no more than 3 seconds in temperatures as low as -20 F (-29 C). There’s also a cab heat-up feature that allows the engine to idle faster in low temperatures to warm up the interior faster.

And when you’re on the road, the Silverado HDs take you farther without stopping. A new, 36-gallon (136 L) fuel tank is standard on all models and, with the improved fuel efficiency of the powertrains, enables a cruising range of up about 680 miles (1,090 km) with the Duramax 6.6L. That’s the equivalent of a trip from Houston to Oklahoma City and back to Dallas on a single tank.

Finally, all 2011 Silverado 2500HD and 3500HD trucks work under the best warranty coverage in America – five-year/100,000-mile limited powertrain warranty, plus roadside assistance, courtesy transportation and other features that provide assurance that Chevrolet backs its trucks confidently.

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