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  • William Maley
    William Maley

    Marchionne Wants A Midsize Truck for Ram

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      Ram doesn't have a midsize truck, and Marchionne wants to fix that

    With the midsize truck market on the rebound, FCA is considering whether or not to do a midsize for Ram.

     

    “We’re looking into it. I have a keen interest in getting it done. The big question is whether it should be body on frame,” said Marchionne to reporters at the Geneva Motor Show.

     

    Previously, Ram was considering doing a midsize truck on a unibody platform. But this idea was tossed out due to problems with getting decent fuel economy and pricing the model at an affordable point while still making a profit.

     

    Marchionne says the biggest hurdle for a Ram midsize truck is trying to make a business case for it. When Marchionne looks at GM's midsize trucks - Chevrolet Colorado and GMC Canyon -, he assumes the profit margins are less than the full-size trucks due to pricing.

     

    Still, Marchionne believes there is a place for a midsize truck.

     

    “I think it’s a good place to be. Ram needs to expand its lineup.”

     

    Source: Motor Trend

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    Sure the base work-trucks have a low entry price, but the GM mid-sizers get pricey really quick and use a lot of parts shared with other vehicles.... I'm sure GM is making a healthy profit on each one or else they wouldn't be trying to squeeze as many out of Wentzville as physically possible.  Even a 4x4 LT Colorado 4-cylinder, basically the base minimum for "consumer grade" of truck, is nearly $30k.

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    Does he realize that he just canceled a midsize sedan selling easily 100,000 more units annually than a midsize truck will?

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    DOH, is he willing to delay Alfa products to allow the profits to be spent on this instead? He could probably hit a home run with high profits if he ignored the mid size and brought out a compact truck that meets the needs of city folk. Most city and suburban households do not need a 1/2 ton full or mid size truck and would be fine with a 2-3 person compact truck like the Ranger was or Luv truck of Chevy in the 70's.

     

    He seems to have hit his head and is now the Emperor with no cloths.

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    Well it says he wants one.

     

    But that doesn't mean he can.

     

    I know... the whole GM merger fiasco was all about a midsize truck the whole time.

     

    Wait a minute - isn't the jeep truck going to be a compact/midsize truck?

     

    Dafuq?!!

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    Well it says he wants one.

     

    But that doesn't mean he can.

     

    I know... the whole GM merger fiasco was all about a midsize truck the whole time.

     

    Wait a minute - isn't the jeep truck going to be a compact/midsize truck?

     

    Dafuq?!!

     

    Yes, it will be based on the Wrangler so it will be printing money for FCA.

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    Does he realize that he just canceled a midsize sedan selling easily 100,000 more units annually than a midsize truck will?

    Considering the 200 is selling less than 7k a month for the last few months, chances are it won't hit 100k itself, let alone sell 100k MORE units than a Mid Size Ram.

    Edited by FordCosworth

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    I wonder what they did w/ the Dakota tooling...only been 5 years..update the interior, change the front, put it back in production..

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    Hell if he wants a mid size tell him to read the alpar wiki to find out how CryCo did it on the cheap. The formula is right there in black and white, worked once do it again. They (Dakotas) became unprofitable when Durango went full sizeish with the Aspen.Then without the economic advantage of a suv stablemate and de-contenting plus the melt down, just withered on the vine. 

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    I am with those that want to see a true compact truck back in the U.S.

    ...But every auto exec that speaks on the subject states it would not be a good idear, for various weak reasons.

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    Agreed Ocn, I think the whole Mid size is a viable market but can handle only so many sellars. I think FCA would do best with a true compact.

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    Put the RAM truck line back in the Dodge brand where it belongs! Then do a smaller truck and call it the Goat to go along with its bigger brother the Ram!

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    Somebody tell him FCA is already debuting not one, but two midsize pickups this year, in addition to the pickup versions of the Promaster and Promaster City Fiat already sells in other markets. For the Americas their solution was to build a fwd/awd pickup based on the Cherokee (the Fiat Toro), in half-ton flex-fuel, and 1-ton diesel crewcab versions. For Europe they're rebadging the Mitsubishi L200 Triton, which is cheap but far from class-leading (because it's really only a minor update of the old Triton with a new engine [well, some markets get the new engine, most still get the old diesel], and the old Triton was only a cosmetic update of the Triton before that).

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    Well it says he wants one.

     

    But that doesn't mean he can.

     

    I know... the whole GM merger fiasco was all about a midsize truck the whole time.

     

    Wait a minute - isn't the jeep truck going to be a compact/midsize truck?

     

    Dafuq?!!

     

    Yes, it will be based on the Wrangler so it will be printing money for FCA.

     

    I wonder how bad of fuel mileage the Jeep truck will get compared to the other trucks who have at least visited wind tunnels. It'll be rated 18/19 city/highway, lol. 

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    Just tell them to do a cutaway version of the Promaster City.

    You mean this one?

    cargo-galleryesterni3big.jpg

    With the flatbed it's as wide as a fullsize truck (interior bed width is 2034 mm) and is a 2500 kg GVW rated truck (5500 lb) with a 1 ton capacity.

     

    Then there's the true cutaway (you're supposed to keep it less than the standard 1872mm body width, but clearly Fiat exceeded that with the reefer illustrated). Body platform length can be 2115 mm (compared to the 1818 interior length of the factory tray above). Combined axle load is 2570 kg, but the GVW is only up to 2400 kg.

    cargo-galleryesterni6big.jpg

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    I am with those that want to see a true compact truck back in the U.S.

    ...But every auto exec that speaks on the subject states it would not be a good idear, for various weak reasons.

    FCA has this one, 4.5 m long (compared to 4.9 for the Doblo and Toro), and 1/2 tonne capacity rating (685 kg).

     

    026.jpg

     

    But I doubt it would get better than 2-stars NCAP, as it's based on the now 20 year-old Fiat project 178 platform (Fiat Palio/Siena). There are Dodge versions of this platform for Mexico and Venezuela, but they just change the badges.

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    Does he realize that he just canceled a midsize sedan selling easily 100,000 more units annually than a midsize truck will?

    Considering the 200 is selling less than 7k a month for the last few months, chances are it won't hit 100k itself, let alone sell 100k MORE units than a Mid Size Ram.

     

     

    Until December, they were selling 10-15k units a month with summer months pushing 20k. If that's not an incredible success for the Chrysler brand, I don't know what is.

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    The 200 is a good car, in a field of great American cars and two great japanese cars from Mazonda...and maybe one decent Korean car and the recent fall off a cliff.

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    Put the RAM truck line back in the Dodge brand where it belongs! Then do a smaller truck and call it the Goat to go along with its bigger brother the Ram!

    Haha, and then sell an off-road version... called the Mountain Goat, of course!

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    Just tell them to do a cutaway version of the Promaster City.

    You mean this one?

    cargo-galleryesterni3big.jpg

    With the flatbed it's as wide as a fullsize truck (interior bed width is 2034 mm) and is a 2500 kg GVW rated truck (5500 lb) with a 1 ton capacity.

     

    Then there's the true cutaway (you're supposed to keep it less than the standard 1872mm body width, but clearly Fiat exceeded that with the reefer illustrated). Body platform length can be 2115 mm (compared to the 1818 interior length of the factory tray above). Combined axle load is 2570 kg, but the GVW is only up to 2400 kg.

    cargo-galleryesterni6big.jpg

     

    Hi griffon, I always enjoy your posts.  That Doblo pickup is a very capable machine, seems like.  The amazing, borderline comical looks of it seal the deal!  With a diesel engine yet, it would be the ultimate non-conformist, awkward superstar pickup truck!

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    Well it says he wants one.

     

    But that doesn't mean he can.

     

    I know... the whole GM merger fiasco was all about a midsize truck the whole time.

     

    Wait a minute - isn't the jeep truck going to be a compact/midsize truck?

     

    Dafuq?!!

     

    Yes, it will be based on the Wrangler so it will be printing money for FCA.

     

    I wonder how bad of fuel mileage the Jeep truck will get compared to the other trucks who have at least visited wind tunnels. It'll be rated 18/19 city/highway, lol. 

     

    Actually the current Wranglers are already rated over 20 MPG on the hwy with the old 5 speed auto.  This will be based on the new Wrangler which will be lighter, more aerodynamic, and have the 8 speed auto. m I say it will not have a problem matching Colorado FE engine for engine. 

    • Downvote 1

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    Well it says he wants one.

     

    But that doesn't mean he can.

     

    I know... the whole GM merger fiasco was all about a midsize truck the whole time.

     

    Wait a minute - isn't the jeep truck going to be a compact/midsize truck?

     

    Dafuq?!!

     

    Yes, it will be based on the Wrangler so it will be printing money for FCA.

     

    I wonder how bad of fuel mileage the Jeep truck will get compared to the other trucks who have at least visited wind tunnels. It'll be rated 18/19 city/highway, lol. 

     

    Actually the current Wranglers are already rated over 20 MPG on the hwy with the old 5 speed auto.  This will be based on the new Wrangler which will be lighter, more aerodynamic, and have the 8 speed auto. m I say it will not have a problem matching Colorado FE engine for engine. 

     

    No chance it would match the Colorado if they are working on similar drivelines. I mean even if the Wrangler truck had the newest 8 or 9spd from the FCA camp you're still talking about pushing a brick through air. I highly doubt they will be ballsy enough to change the look of the new Wrangler enough to be considered "aero efficient" by anybody's standards. 

     

    I can't imagine it changing much from the current Wrangler's 16/21. I would definitely expect improvements but not a whole lot. 17/24 in its most efficient trim. Now if it has a 2WD version that would get another little bump over the Wranglers but I just don't see a way that this will match a Colorado's 18/26 in the v6 at all. 

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      Additional Technology Highlights
      Variable geometry turbocharging enables the Duramax 3.0L engine to deliver class-leading horsepower with minimal effect on overall efficiency. The system uses closed loop controlled vanes position and sophisticated electronic controls to automatically adjust boost pressure to the desired value based on engine running conditions and instantaneous power demand. The liquid-cooled turbocharger features a low-friction ball-bearing shaft and is mounted close to the exhaust outlet of the engine for quicker spool-up of the turbine and quicker light-off of the exhaust catalyst. A water-to-air intercooling system produces a cooler higher density air charge for greater power. Maximum boost pressure is 43,5 psi (300 Kpa) absolute.
      Low-pressure EGR: The Duramax 3.0L utilizes new low-pressure Exhaust Gas Recirculation to optimize performance and efficiency. The EGR system diverts some of the engine-out exhaust gas and mixes it back into the fresh intake air stream, which is drawn into the cylinder head for combustion. That lowers combustion temperatures and rates.
      Traditionally, EGR systems in diesel applications recirculate exhaust gases between the two high-pressure points, the exhaust manifold(s) and intake manifold. However, it generally requires efficiency-robbing assistance from the turbocharger or other supporting elements to achieve the pressure differential required for sufficient EGR flow rates.
      The new low-pressure system adds to the high-pressure system, supporting continual adjustment of exhaust backpressure for more efficient operation. It recirculates gases between the low-pressure points in the exhaust system (downstream of the particulate filter) and after the compressor inlet.
      When the low-pressure EGR is activated by an electronically controlled valve, the engine burns exhaust gas that has already passed through the particulate filter. That increases the turbocharger’s efficiency, which helps overall vehicle efficiency without deteriorating the rate of particulate matter emitted by the engine.
      A variable intake manifold offers dual air intake pathways for each cylinder. Electronically controlled flaps — one for each cylinder — shorten or lengthen the airflow to each cylinder. This optimizes the airflow into the engine and improves performance and responsiveness across the rpm band, particularly at lower engine speeds.
      A variable-pressure oiling system with a continuously variable-displacement vane oil pump enhances efficiency by optimizing oil pressure as a function of engine speed and load. With it, the oil supply is matched to the engine requirements rather than the excessive supply of a conventional, fixed-displacement oil pump. The engine uses low-friction Diesel Dexos 0W20 oil.
      Oil jets located in the block are employed for performance and temperature control. They target the inner core of the piston with an extra layer of cooling, friction-reducing oil. The jets reduce piston temperature, allowing the engine to produce more power and enhance long-term durability than engines without the technology.
      Active Thermal Management helps the engine warm up quickly to achieve and maintain its optimal engine temperature for performance and efficiency over the entire engine operating range. The system uses a three-actuator rotary valve system to distribute coolant through the engine in a targeted manner. It sends heat where it’s needed to warm up the engine to reduce friction and heat the passenger cabin or cools when needed for high-power operation. The Duramax 3.0L also features split cooling between the block and head.
      Common rail direct fuel injection of 2,500 bar (36,250 psi) helps generates class-leading horsepower and torque. The system’s pressure is generated by an engine-driven twin-piston pump sending fuel to solenoid-activated injectors with nine-hole nozzles that support precise metering of the fuel for a smooth idle and lower combustion noise. The fuel system is capable of multiple injections per combustion cycle — up to 10 times per injector — for more consistent and stable combustion performance that translates into smoothness and refinement, particularly at idle.   
      Electronic throttle valve: The Duramax 3.0L features an electronic throttle valve to regulate intake manifold pressure in order to optimize exhaust gas recirculation rates. It also contributes to a smooth engine shutdown via a more controlled method of airflow reduction.
      Ceramic glow plugs used in the Duramax 3.0L heat up more quickly and hotter than conventional metal-based glow plugs, helping the engine start and heat up more quickly in cold weather. The Duramax 3.0L achieves unassisted and assisted starting temperatures of -22 F (-30 C) and -40 F (-40 C) respectively.
      Stop/start technology helps optimize efficiency in city driving. The driver-selectable system shuts off the engine at stoplights and other stop-and-go situations. The engine automatically restarts when the driver takes their foot off the brake.
      ABOUT CHEVROLET
      Founded in 1911 in Detroit, Chevrolet is one of the world's largest car brands, doing business in more than 100 countries and selling more than 4.0 million cars and trucks a year. Chevrolet provides customers with fuel-efficient vehicles that feature engaging performance, design that makes the heart beat, passive and active safety features and easy-to-use technology, all at a value. More information on Chevrolet models can be found at www.chevrolet.com.
      # # #
      2019 CHEVROLET SILVERADO 3.0L DURAMAX TURBO-DIESEL SPECIFICATIONS
      Type:
      Duramax 3.0L DOHC Turbo Diesel I6 
      Bore & Stroke (in. / mm):
      3.30 x 3.54 inches (84mm x 90mm)
      Block Material:
      Aluminum
      Cylinder Head Material:
      Aluminum
      Compression Ratio:
      15.0: 1
      Firing Order:
      1-5-3-6-2-4
      Valvetrain:
      Dual-overhead camshafts, four-valves per cylinder
      Air Delivery:
      Single variable-geometry turbocharger; intercooling system. 42.8-psi / 2.95 bar max boost
      Fuel Delivery:
      High-pressure, common-rail direct injection (36,250 psi / 2500 bar); electronic throttle valve
      Ignition System:
      Compression
      Max Engine Speed:
      5100 rpm
      Additional Features:
      Continuously variable oil pump; engine oil cooler, automatic stop/start, Active Thermal Management,
      Emissions Control:
      Low-pressure Exhaust Gas Recirculation (EGR); Selective Catalyst Reduction on Filter (SCRF)
      Horsepower
      (hp / kW @ rpm):
      277 / 204 @ 3750 (SAE certified)
      Torque
      (lb.-ft. / Nm @ rpm):
      460 / 624 @ 1500 (SAE certified)
       

      View full article
    • By Drew Dowdell
      GM released power figures today for the new inline 6-cylinder diesel engine that will be available in the Chevrolet Silverado and GMC Sierra.  Available at the same price as the 6.2 liter model, GM promises the new engine will change perceptions about diesel performance and refinement.  GM recently announced the delay of the 3.0-liter diesel until the 2020 model year due to emissions certification delays. 
      Paired with a 10-speed automatic transmission, the diesel produces an SAE-certified 277 horsepower and 460 lb-ft of torque with 95 percent of that torque being available at just 1,250 RPM.  Torque peak comes at 1500 rpm and peak horsepower at 3750 rpm.
      The powertrain is setup to offer diesel exhaust braking to help slow the vehicle when the truck is in tow-haul mode, limiting the number of applications of the brakes to save on brake wear. The engine also has a user selective start-stop function to save additional fuel in city driving. 
      2019 CHEVROLET SILVERADO 3.0L DURAMAX TURBO-DIESEL SPECIFICATIONS
      Type:
      Duramax 3.0L DOHC Turbo Diesel I6 
      Bore & Stroke (in. / mm):
      3.30 x 3.54 inches (84mm x 90mm)
      Block Material:
      Aluminum
      Cylinder Head Material:
      Aluminum
      Compression Ratio:
      15.0: 1
      Firing Order:
      1-5-3-6-2-4
      Valvetrain:
      Dual-overhead camshafts, four-valves per cylinder
      Air Delivery:
      Single variable-geometry turbocharger; intercooling system. 42.8-psi / 2.95 bar max boost
      Fuel Delivery:
      High-pressure, common-rail direct injection (36,250 psi / 2500 bar); electronic throttle valve
      Ignition System:
      Compression
      Max Engine Speed:
      5100 rpm
      Additional Features:
      Continuously variable oil pump; engine oil cooler, automatic stop/start, Active Thermal Management,
      Emissions Control:
      Low-pressure Exhaust Gas Recirculation (EGR); Selective Catalyst Reduction on Filter (SCRF)
      Horsepower
      (hp / kW @ rpm):
      277 / 204 @ 3750 (SAE certified)
      Torque
      (lb.-ft. / Nm @ rpm):
      460 / 624 @ 1500 (SAE certified)
      Manufacturing Location (of globally sourced parts)
      Flint, Mich.  
       
       
      Chevy Press release on page 2


      2020 CHEVROLET SILVERADO’S NEW, ADVANCED 3.0L DURAMAX TURBO-DIESEL REDEFINES EXPECTATIONS
      No-compromise engine delivers refinement, performance and efficiency
      2019-06-03
      DETROIT — The all-new 2020 Chevrolet Silverado’s available 3.0L Duramax inline-six turbo-diesel engine adds choice and versatility for full-size truck customers, offering class-leading torque and horsepower in addition to focusing on fuel economy and capability. It is the first-ever inline-six turbo-diesel offered in Chevrolet’s full-size light-duty trucks.
      Chevrolet engineers started with a clean-sheet design and developed an all-new engine that leverages the efficiency and refinement advantages of the inline six-cylinder architecture and incorporates advanced combustion and emissions technologies to optimize performance and efficiency. It is priced identically to the 6.2L V-8 as a $2,495 premium over a 5.3L V-8 model or $3,890 over a 2.7L Turbo model.
      “From the moment the engine is started, to its idle, acceleration and highway cruising, the 3.0L Duramax performance will change perceptions of what a diesel engine can offer in refinement,” said Nicola Menarini, director for Diesel Truck Engine Program Execution. “With advanced technologies that draw on global diesel expertise, it’s a no-compromise choice for those who want the capability and driving range of a diesel in a light-duty truck.”
      Available on LT, RST, LTZ and High Country models, the 3.0L Duramax diesel rounds out the new Silverado’s range of six propulsion choices, each tailored to suit customers’ needs for performance, efficiency, technology and value. It is rated at an SAE-certified 277 horsepower and 460 lb-ft of torque delivering 95 percent of peak torque at just 1,250 rpm. Peak torque is sustained from 1,500 rpm through 3,000 rpm, providing a powerfully smooth and satisfying driving experience.
      The 3.0L Duramax is paired with GM’s 10L80 10-speed automatic transmission, featuring a centrifugal pendulum absorber torque converter that reduces vibrations to improve smoothness, reinforcing its performance, efficiency and refinement. This combination also offers exhaust braking, which uses the diesel engine’s compression to help slow the vehicle, requiring fewer brake applications by the driver when in Tow Haul mode.
      Innovative Engine Technologies
      The inline six-cylinder architecture offers inherent efficiency and refinement, but the team expanded with smart technology choices to help improve efficiency and weight while optimizing the truck experience. A lightweight aluminum block and cylinder head reduce overall mass, and Active Thermal Management enhances efficiency and cold-weather warm-up. Ceramic glow plugs also help with shorter heat-up times and a quicker cold start, meaning the engine block heater is not needed until -22 degrees F.
      Towing is an important part of owning a truck, and customers can gain additional confidence thanks to the exhaust brake available in tow-haul mode. The water charge air cooler, coupled with low pressure EGR, reduces time to torque. The variable geometry turbocharger helps provide a greater balance of performance and efficiency, and an electronically variable intake manifold helps optimize performance across the rpm band.
      Inherently efficient and balanced
      Compared to a DOHC V-6, the inline-six architecture offers greater efficiency from the reduced friction of operating only two camshafts and their associated valvetrain components. The I6 configuration offers the perfect balance of primary and secondary forces, without the need for balancing shafts.
      “In addition to reduced friction, the architecture enables smooth operation,” Menarini said. “The new Duramax 3.0L elevates the 2019 Silverado with one of the most refined and efficient diesel engines in the segment.”
      Along with supporting elements such as a tuned air induction system and other noise-attenuating elements, the 3.0L Duramax delivers exceptional quietness and smoothness at all engine speeds.
      All-aluminum construction and tough rotating assembly
      The 3.0L Duramax cylinder block is made of a cast aluminum alloy that provides the strength required to support the high combustion pressures that occur within a diesel engine, while also offering an approximately 25 percent mass savings over a comparable cast iron engine block. Iron cylinder liners are used within the aluminum block to insure truck durability.
      There are seven nodular iron main bearing caps that help ensure the block’s strength under those high combustion pressures, while also enabling accurate location of the rotating assembly. A deep-skirt block design, where the block casting extends below the crankshaft centerline, also contributes to the engine’s stiffness and refinement. It’s complemented by a stiffness-enhancing aluminum lower crankcase extension attached to the main bearing caps.
      The rotating assembly consists of a forged steel crankshaft, forged steel connecting rods and hypereutectic aluminum pistons. The alloys in the respective castings for the rods and pistons make them lightweight and durable. Silicon is blended with the aluminum for heat resistance and tolerance within the piston cylinders, which enhances performance and makes the engine quiet.
      A thick piston crown — the top of the piston — and reinforced top ring add strength to support the tremendous cylinder pressures enabled by turbocharging and the engine’s high 15.0:1 compression ratio.
      DOHC Cylinder Head and Rear Cam Drive
      Overhead camshafts offer a direct, efficient means of operating the valves, while four valves per cylinder activated by maintenance-free finger followers with hydraulic lash adjusters increase airflow in and out of the engine. This arrangement is integrated on the Duramax 3.0L’s lightweight aluminum cylinder head, which is topped with a lightweight composite cam cover that incorporates the crankcase ventilation and oil separation systems.
      A pair of lightweight, assembled camshafts actuates 28.35 mm diameter (1.12-inch) intake and 24.55 mm diameter (0.97-inch) exhaust valves. The camshaft drivetrain is uniquely located at the rear (flywheel side) of the engine, for greater refinement and packaging considerations for the comparatively long inline-six. A crankshaft-driven chain drives the high-pressure direct-injection fuel pump, while a chain driven by the fuel pump drives both intake and exhaust camshafts. A smaller belt drives the variable flow oil pump from the crankshaft.
      Additional Technology Highlights
      Variable geometry turbocharging enables the Duramax 3.0L engine to deliver class-leading horsepower with minimal effect on overall efficiency. The system uses closed loop controlled vanes position and sophisticated electronic controls to automatically adjust boost pressure to the desired value based on engine running conditions and instantaneous power demand. The liquid-cooled turbocharger features a low-friction ball-bearing shaft and is mounted close to the exhaust outlet of the engine for quicker spool-up of the turbine and quicker light-off of the exhaust catalyst. A water-to-air intercooling system produces a cooler higher density air charge for greater power. Maximum boost pressure is 43,5 psi (300 Kpa) absolute.
      Low-pressure EGR: The Duramax 3.0L utilizes new low-pressure Exhaust Gas Recirculation to optimize performance and efficiency. The EGR system diverts some of the engine-out exhaust gas and mixes it back into the fresh intake air stream, which is drawn into the cylinder head for combustion. That lowers combustion temperatures and rates.
      Traditionally, EGR systems in diesel applications recirculate exhaust gases between the two high-pressure points, the exhaust manifold(s) and intake manifold. However, it generally requires efficiency-robbing assistance from the turbocharger or other supporting elements to achieve the pressure differential required for sufficient EGR flow rates.
      The new low-pressure system adds to the high-pressure system, supporting continual adjustment of exhaust backpressure for more efficient operation. It recirculates gases between the low-pressure points in the exhaust system (downstream of the particulate filter) and after the compressor inlet.
      When the low-pressure EGR is activated by an electronically controlled valve, the engine burns exhaust gas that has already passed through the particulate filter. That increases the turbocharger’s efficiency, which helps overall vehicle efficiency without deteriorating the rate of particulate matter emitted by the engine.
      A variable intake manifold offers dual air intake pathways for each cylinder. Electronically controlled flaps — one for each cylinder — shorten or lengthen the airflow to each cylinder. This optimizes the airflow into the engine and improves performance and responsiveness across the rpm band, particularly at lower engine speeds.
      A variable-pressure oiling system with a continuously variable-displacement vane oil pump enhances efficiency by optimizing oil pressure as a function of engine speed and load. With it, the oil supply is matched to the engine requirements rather than the excessive supply of a conventional, fixed-displacement oil pump. The engine uses low-friction Diesel Dexos 0W20 oil.
      Oil jets located in the block are employed for performance and temperature control. They target the inner core of the piston with an extra layer of cooling, friction-reducing oil. The jets reduce piston temperature, allowing the engine to produce more power and enhance long-term durability than engines without the technology.
      Active Thermal Management helps the engine warm up quickly to achieve and maintain its optimal engine temperature for performance and efficiency over the entire engine operating range. The system uses a three-actuator rotary valve system to distribute coolant through the engine in a targeted manner. It sends heat where it’s needed to warm up the engine to reduce friction and heat the passenger cabin or cools when needed for high-power operation. The Duramax 3.0L also features split cooling between the block and head.
      Common rail direct fuel injection of 2,500 bar (36,250 psi) helps generates class-leading horsepower and torque. The system’s pressure is generated by an engine-driven twin-piston pump sending fuel to solenoid-activated injectors with nine-hole nozzles that support precise metering of the fuel for a smooth idle and lower combustion noise. The fuel system is capable of multiple injections per combustion cycle — up to 10 times per injector — for more consistent and stable combustion performance that translates into smoothness and refinement, particularly at idle.   
      Electronic throttle valve: The Duramax 3.0L features an electronic throttle valve to regulate intake manifold pressure in order to optimize exhaust gas recirculation rates. It also contributes to a smooth engine shutdown via a more controlled method of airflow reduction.
      Ceramic glow plugs used in the Duramax 3.0L heat up more quickly and hotter than conventional metal-based glow plugs, helping the engine start and heat up more quickly in cold weather. The Duramax 3.0L achieves unassisted and assisted starting temperatures of -22 F (-30 C) and -40 F (-40 C) respectively.
      Stop/start technology helps optimize efficiency in city driving. The driver-selectable system shuts off the engine at stoplights and other stop-and-go situations. The engine automatically restarts when the driver takes their foot off the brake.
      ABOUT CHEVROLET
      Founded in 1911 in Detroit, Chevrolet is one of the world's largest car brands, doing business in more than 100 countries and selling more than 4.0 million cars and trucks a year. Chevrolet provides customers with fuel-efficient vehicles that feature engaging performance, design that makes the heart beat, passive and active safety features and easy-to-use technology, all at a value. More information on Chevrolet models can be found at www.chevrolet.com.
      # # #
      2019 CHEVROLET SILVERADO 3.0L DURAMAX TURBO-DIESEL SPECIFICATIONS
      Type:
      Duramax 3.0L DOHC Turbo Diesel I6 
      Bore & Stroke (in. / mm):
      3.30 x 3.54 inches (84mm x 90mm)
      Block Material:
      Aluminum
      Cylinder Head Material:
      Aluminum
      Compression Ratio:
      15.0: 1
      Firing Order:
      1-5-3-6-2-4
      Valvetrain:
      Dual-overhead camshafts, four-valves per cylinder
      Air Delivery:
      Single variable-geometry turbocharger; intercooling system. 42.8-psi / 2.95 bar max boost
      Fuel Delivery:
      High-pressure, common-rail direct injection (36,250 psi / 2500 bar); electronic throttle valve
      Ignition System:
      Compression
      Max Engine Speed:
      5100 rpm
      Additional Features:
      Continuously variable oil pump; engine oil cooler, automatic stop/start, Active Thermal Management,
      Emissions Control:
      Low-pressure Exhaust Gas Recirculation (EGR); Selective Catalyst Reduction on Filter (SCRF)
      Horsepower
      (hp / kW @ rpm):
      277 / 204 @ 3750 (SAE certified)
      Torque
      (lb.-ft. / Nm @ rpm):
      460 / 624 @ 1500 (SAE certified)
       
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