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Leaked: Horsepower, Torque Specs for GM's New L5P Duramax Turbodiesel

Leaked: Horsepower, Torque Specs for GM’s New L5P Duramax Turbodiesel

The Duramax goes from dead last to tied for first

General Motors’ next-generation 6.6-liter Duramax V-8 turbodiesel is said to make 445 horsepower at 2,800 rpm and 910 pound-feet of torque at only 1,600 rpm. That’s what GM’s own 2017 global propulsion product guide states on the GM Powertrain website. At least before GM took the web page down ahead of the Duramax’s official debut at the 2016 Texas State Fair.

Those horsepower and torque specs are a big improvement over the outgoing LML 6.6-liter Duramax. It produced 397 horsepower and 765 pound-feet of torque in the 2016 Chevy Silverado and GMC Sierra heavy duty trucks. That’s a total of 48 more horsepower and 145 pound-feet of torque for 2017.

Much of that power increase can likely be attributed to the already-announced dual-circuit cold air intake for the Duramax. The new intake uses a hood scoop to draw roughly 60 percent of air into the engine. The cooler outside air then hits a 180-degree elbow with a water separator and mixed with the other air coming from the traditional fender location.

In relation to Ford’s newly revised 6.7-liter Power Stroke, the Duramax makes five horsepower more, but 15 pound-feet less torque. That puts the Duramax as the class leader for horsepower and the Power Stroke leading in torque, at 925 pound-feet.

The 6.7-liter Cummins inline six-cylinder turbodiesel in Ram’s heavy duty trucks is now in last place. The high-output version makes 385 horsepower and 900 pound-feet of torque. We’re betting Ram will make a play for 950 or even 1,000 pound-feet of torque when the next generation Ram debuts for 2018.

News of GM’s upgrades to the Duramax is greatly welcomed. Its heavy duty trucks have been skating by the last few years without any major advancements beyond a body style change for the 2015 model year. The new engine specs should help GM compete with Ram’s growing market share and Ford’s all-new 2017 Super Duty.

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GM And Navistar Reach Agreement To Develop Medium-Duty Trucks

GM And Navistar Reach Agreement To Develop Medium-Duty Trucks

Well, the rumors proved true – General Motors and Navistar have reached an agreement to co-develop and assemble Class 4 and 5 medium-duty, commercial trucks. This marks the first time GM has been present in the medium-duty segment since its departure in 2009. Back then, the automaker ended production of its Chevrolet Kodiak and GMC Topkick trucks thanks to the slowing global economy.

Ed Peper, U.S. vice president of GM Fleet and Commercial sales said this about the endeavor: “Bringing medium-duty conventional cab trucks back into the portfolio strengthens Chevrolet’s commitment to providing commercial customers with more choices and one-stop shopping for a versatile lineup of trucks, vans, and crossovers.”

Though GM did not give any specifics on the future trucks, we know GM will provide many of the components of the truck, including the engines, while Navistar will concentrate on the chassis and manufacturing aspects. The trucks are slated to be built in Navistar’s Springfield, Ohio assembly plant.

Navistar says it will add 300 jobs and invest more than $12 million to prepare the facility for vehicle assembly.

“Our collaboration with GM is another example of our customer-centric, open integration approach – providing our customers with the best technologies available,” said Bill Kozek, president, Truck and Parts, Navistar. “By working with an industry-leading partner like GM, we’ll be able to enhance our medium-duty product portfolio and leverage our scale and expertise in manufacturing medium-duty trucks.”

No other information on the trucks was given, but GM says production will begin in 2018.

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GM Plans To Invest $877 Million Into Michigan Truck Plant

GM Plans To Invest $877 Million Into Michigan Truck Plant

General Motors is set to invest $877 million into its Flint, Michigan plant for updates that include a new body shop and retooling. The Michigan plant, GM’s oldest manufacturing facility that was constructed in 1947, builds the 2014 Chevrolet Silverado HD and 2015 GMC Sierra HD, most of which are Heavy Duties.

The new body shop is a key addition to the plant and will be located near an existing facility on site that provides sheet metal for the trucks. The proximity will allow for quicker transportation of parts between the two buildings, making the production process smoother. What’s more, a new painting process called wet-coat will be used and will provide a higher quality painted surface that is also more durable.

The retooling set to take place within the main assembly building is said to facilitate the next generation of Silverado and Sierra rumored to be in production for the 2018 model year. Coincidently, GM says the upgrades and additions will be completed by 2018. There are still no further hints GM will be moving to an aluminum body for the next generation, though several rumors suggest it.

The 3.7-milliion-square-foot plant is home to almost 3,000 workers and cranked out more than 180,000 Silverado and Sierra trucks during the 2014 model year. However, the Flint plant is only one of several plants around North American that build the GM truck twins, including plants in Indiana, Mexico, and Canada.

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GM Plans Commercial-Truck Venture With Navistar

GM Plans Commercial-Truck Venture With Navistar

Rumors are swirling that General Motors may strike up a partnership with Navistar International, effectively allowing the automaker to reenter the Class 4, 5, and 6 medium-duty truck market. This comes on the heels of GM’s recently revived partnership with Isuzu in building Low Cab-Forward medium-duty trucks.

This marks a rebuilding for GM of its commercial truck line after it left the market during the economic slow-down in 2009, killing off its 2003-2009 Chevrolet Kodiak line of trucks built using gasoline and diesel powertrains from the Chevrolet Silverado HD and the cab from the Chevrolet Express full-size van.

As for Navistar International, the truckmaker recently found itself at the end of a long partnership with Ford when the Blue Oval elected to begin building its F-650 and F-750 medium-duty trucks in-house. After that 2010 split, Navistar International focused its efforts on its line of Class 7 and Class 8 big-rigs, though the time was checkered with the defeat of a failed engine design and falling market share.

As Forbes reports, the team up between General Motors and Navistar International would be a mutually beneficial relationship as International would gain increased production volume and GM’s lineup of powertrain options while The General would get a strong kick start on revitalizing its medium-duty truck segment.

This deal would put General Motors in a great position product-wise, as it would have vehicles spanning from gasoline-powered cab-over trucks up to Class 6 heavyweights – not to mention its expansive line of pickups. International would likely retain control over its Class 7 and Class 8 trucks, though the added resources from GM could play a role in growing the trucks’ market share.

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General Motors Recalls 15K Trucks For Leaky Brakes

General Motors Recalls 15K Trucks For Leaky Brakes

General Motors is again issuing yet another recall – this time for 14,838 Chevrolet Colorado and GMC Canyon mid-sized pickup trucks. The safety recall centers on the brakes of the 2015 model year trucks, as the front brake calipers might leak brake fluid, compromising the truck’s braking performance.

The National Highway Traffic Safety Administration says the trucks involved in the recall were built from January 6, 2014 to December 24, 2014 – or basically the entire year. The issue stems from imperfections inside the metal caliper body that lead to air pockets forming in the brake fluid. Over time this can lead to fluid leaking from the caliper body.

Obviously a decreased volume of brake fluid leads to poor braking performance, which could potentially lead to a wreck due to extended stopping distances.

Like with all recalls, the automaker will inspect the effected parts and replace them if necessary, free of charge to the customer. In GM’s case, it will begin notifying customers of the effected vehicles July 10, 2015. For customers who want more information on the recall, they can contact Chevrolet at 1-800-222-1020 or GMC at 1-800-462-8782, specifying recall number 14888.

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GM Plans No Direct Competitor For The Ford F-150 Raptor

GM Plans No Direct Competitor For The Ford F-150 Raptor

Take it for what it’s worth, but GM executive vice president of global product development, Mark Reuss says the automaker has no plans on developing a full-size competitor to the upcoming, second-generation Ford Raptor. That word comes from an interview Reuss had with Edmunds about viability of the project.

Reuss is quoted saying, “We have a lot of priorities…. [and] capital is not endless. That is not one of our highest priorities in terms of spending capital right now.”

While it’s never wise to fully accept the fate of a vehicle based on such loose quotes, this does feel like sugar in the gas tank of the Raptor competitor’s possibility. It also somewhat dulls the excitement over GM’s trademarking of the “Badlands” name. Perhaps that’s a vehicle GM showrooms will never see. It could, however, be that rumored Jeep Wrangler-fighter from GMC.

With the bad news (sort of) confirmed, speculation can turn to the smaller, yet likely just as capable, Colorado ZR2 concept. The highly modified truck made its debut at 2014 Los Angeles Auto Show and wowed audiences with its remote reservoir shocks, meaty tires, four-inch suspension lift and four-inch stretched width. The concept even boasted a built-in winch behind the front bumper.

Of course, the Colorado ZR2’s fate is still undetermined as it still has the “concept” term stuck on its name.

With all the off-road rumors swirling around The General these days, it’s hard to give up on either idea of a GMC Badlands or the Colorado ZR2. Let’s just hope Reuss has something up his sleeve on this one.

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General Motors Trademarks "Badlands" Moniker

General Motors Trademarks "Badlands" Moniker

General Motors has filed for a trademark on yet another truck name, this one just as promising as the Z71 Trail Boss name that came before it. This time, it’s “Badlands.” While the name conjures up thoughts of blasting over sand dunes and through deep streams, there is still no clue what GM might use the name for, or even at all.

The fine folks at GM Authority spotted the February 16th filing with he U.S. Patent and Trademark Office. The official paperwork leaves a slew of questions unanswered, with the description only stating, “Motor land vehicle, namely, trucks.” Could this be the Raptor fighter we’ve all been waiting on? Could it be a mere concept? Only time will tell. Until then, we’re left to speculate.

Perhaps one of the more tantalizing uses of the Badlands name is that Jeep Wrangler fighter GMC is rumored to be building. Said to be taking inspiration from the defunct Hummer brand, the off-road-ready GMC would bring some long-overdue competition to the Jeep. Like the Badlands name, there is no official word or even solid rumors as to what the General has planned.

Conversely, the Badlands name could end up being just another special edition package on one of GM’s many trucks. Let’s just hope for the former. In the mean time, stay tuned for any further developments.

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GM Trademarks "Z71 Trail Boss" Nomenclature

GM Trademarks "Z71 Trail Boss" Nomenclature

The U.S. Patent and Trademark Office is oftentimes the first leak of an upcoming vehicle as automakers make names and terms officially theirs. Hopefully that’s the case with General Motors’ latest USPTO filing of the name “Z71 Trail Boss.” While it could just be a concept vehicle, the Z71 Trail Boss could be GM’s long-awaited answer to the Ford Raptor, Ram Power Wagon, or even Toyota Tacoma TRD Pro.

The filing does not go into detail, but it does say the name is designated for “passenger vehicles, namely, light duty pickup trucks.” Now the term “light duty pickups” technically includes both the Chevrolet Silverado 1500 and its smaller brother, the Colorado, so anything is possible. But let’s look at what’s probable.

Z71 is a term only used by Chevrolet these days, with GMC using the All Terrain nomenclature; so forget anything with the Sierra or Canyon. Also considering Chevrolet has already showcased the Colorado ZR2 concept at the LA Auto Show, it’s likely the Trail Boss name will be slated for the Silverado. After all, the ZR2 name already has credibility from its time with the Chevy S-10 and Blazer.

So what can we expect from the Z71 Trail Boss? As much as I’d love to say the truck should outclass the F-150 Raptor with longer suspension travel, stronger skidplating, and a more powerful engine, I’d be wrong. I suspect the Silverado Z71 Trail Boss will be more in line with the new 2015 Ram 1500 Rebel.

I’m betting the truck will receive a slightly more aggressive suspension package over the standard Z71 package, along with a mild styling update. Perhaps it will come with a built-in winch like the Colorado ZR2 concept and the Ram Power Wagon. It will likely come with electronic locking differentials fore and aft like the ZR2 concept, as well as a taller ride height by an inch or two. Things under the hood will undoubtedly remain stock, with GM using the standard 5.3-liter V-8 or possibly the 6.2-liter V-8.

GM has certainly gotten the truck community’s attention with this Z71 Trail Boss name. Let’s just hope whatever it’s attached to earns the title.

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GM Trademarks "Nightfall Edition" Package For Pickup Trucks

GM Trademarks "Nightfall Edition" Package For Pickup Trucks

General Motors plans to introduce a special-edition pickup truck wearing the "Nighfall Edition" badge in 2015, according to a trademark the manufacturer filed with the U.S. Patent and Trademark office earlier this month. AutoGuide reports the package will include "a black exterior, black grille, black five-inch assist steps, 18-inch aluminum wheels, polished exhaust tips, [a] spray-in bedliner, [a] remote start system and automatic climate control." Assist steps and bedliner? That’s a truck alright!

While this may be excellent news for truck enthusiasts, the filing does not specify which nameplate will receive the special package. Although anything is possible without official confirmation, we have a hunch the Nightfall Edition bundle is reserved for the special edition version of the GMC Canyon that’s scheduled to break cover at the 2015 Detroit Auto Show in January. The manufacturer has yet to unveil any details surrounding this truck, but it’s about time GM’s midsize truck gets a special production version after showcasing several concepts at the 2014 SEMA Show.

There’s also the possibility the Nightfall Edition goes to the Chevrolet Colorado, but the blacked-out exterior and the black-and-chrome body parts are more of a GMC thing. Either way, we’ll find out soon enough as the 2015 Detroit Auto Show is only three weeks away.

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GM Considers Ford Raptor Competitor

GM Considers Ford Raptor Competitor

It appears General Motors may be considering a Ford Raptor competitor in the near future, though not with the Silverado or Sierra. Reports from GM Authority suggest The General will use the upcoming midsize Chevrolet Colorado and GMC Canyon as the truck of choice.

It seems GM has chosen the smaller trucks mostly due to their compact size and lighter weight, giving them more agility and potentially better handling. Along with being more agile, the smaller trucks will fit into tighter trails, like the famous Rubicon Trail in California — a trail the Raptor is simply too large to navigate.

There are really no solid details to go on, so speculation will have to suffice. It’s likely the new Raptor fighter will come with the largest engine offering, meaning the 3.6-liter V-6. Perhaps GM will allow the 2.8-liter turbo-diesel to power the off-roader as well. Beefy springs and shocks will be a must, along with larger off-road tires. Expect to see the Eaton G80 locking rear differential come standard along with a high-capacity cooling system for the engine and transmission. Generous underbody skid plating will also come included.

As far as naming the new GM truck, we could see a revival of the ZR2 nomenclature last used in regular production on the long-dead Chevy S-10. The name had a recent comeback on a Chevrolet Silverado concept truck back in 2011, but never gained any traction. We already know GM was pondering a “ZR2 package” back when the new Colorado/Canyon twins were revealed in 2013, so the likelihood is rather high the ZR2 will happen. Whether it’s a true Raptor fighter has yet to be seen. Stay tuned for further details.

Note: Chevrolet Colorado Rally Concept pictured here.

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