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  • William Maley
    William Maley

    General Motors Accidentally Releases, Then Deletes Info On Updated Duramax V8

      We get our first clues as to what the next Duramax V8 is producing

    The seemingly never-ending diesel heavy-duty truck war is back in force with Ford announcing the power figures for the F-Series Super Duty back in the summer. We were wondering when either FCA or GM would strike back. Well GM did this over the weekend by accidently and then subsequently deleting the figures for the next-generation Duramax V8 diesel.

    Truck Trend got screenshots of GM Powertrain's website where the details of the L5P 6.6L Duramax turbodiesel are there to see: 445 horsepower and 910 pound-feet of torque. Compared the 6.7L PowerStoke V8 found in the 2017 F-Series Super Duty, the updated Duramax produces 5 more horsepower but is slight behind in torque (15 down from the PowerStroke's 925 pound-feet).

    We know for sure that the new Duramax will debut a new air intake system (you can see the new hood scoop in the picture above). More air is a good thing as it means better cooling and more power.

    The Texas State Fair is this week and it has become a showplace for the various truck manufacturers to make big announcements. We wouldn't be shocked if General Motors debuts the new Duramax there.

    Source: Truck Trend

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    With those power figures so similar I'm curious about the characteristics of each engine/trans combo. Mostly because the 5hp advantage but 15tq disadvantage the Duramax has just sounds like a slightly awkward swing when it comes to diesels so I'm curious what their dynos look like.

    2 minutes ago, William Maley said:

    Ask and ye shall receive. 

    2017-GMC-Sierra Denali-2500HD-001-1.jpg

    Hood looks GREAT. Now, if they could NOT outline the vent in chrome that would be nice.

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    3 hours ago, William Maley said:

    Ask and ye shall receive. 

    2017-GMC-Sierra Denali-2500HD-001-1.jpg

    That is freaking lovely, sex on wheels! :metal:

    Thank you:bowdown:

    3 hours ago, ccap41 said:

    With those power figures so similar I'm curious about the characteristics of each engine/trans combo. Mostly because the 5hp advantage but 15tq disadvantage the Duramax has just sounds like a slightly awkward swing when it comes to diesels so I'm curious what their dynos look like.

    Hood looks GREAT. Now, if they could NOT outline the vent in chrome that would be nice.

    Being the Denali edition, I expected all the Chrome, but I have to imagine that this in basic or mid trim form would be more monochromatic.

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    It's crazy that these pick ups have over 900 lb-ft of torque now.  I remember about 15 years ago when a Silverado or Ford diesel truck had like 450 lb-ft and that was considered a lot.

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    1 hour ago, balthazar said:

    4 years later and they were already over 600 lb-ft.

     

    3 hours ago, smk4565 said:

    It's crazy that these pick ups have over 900 lb-ft of torque now.  I remember about 15 years ago when a Silverado or Ford diesel truck had like 450 lb-ft and that was considered a lot.

    This is the 34yr chart I love to look at and see just how far and how fast in the last 10 years we have really come.

    DieselTorqueWars.jpg

    If picture is too small for you to read, go to the web page here:

    http://www.dieselhub.com/compare/cummins-vs-duramax-vs-powerstroke.html 

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    1 hour ago, dfelt said:

    Was wondering when the Official Measurer was going to weigh in on this subject! ;)

    http://philadelphia.cbslocal.com/2012/09/19/italian-study-shows-male-genitalia-is-shrinking/

    Quote

    The report also says air pollution has been shown to “negatively impact penis size.”

    drive diesel, lose penis. explains some members' vw posts really well, actually. 

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    I'd day most people buying these trucks have no business moving the loads the trucks are capable of hauling/towing. Im sure they have no training in regards to managing loads that heavy.  Advertised towing of 30,000 pounds on a pickup is crazy.  If you are constantly towing that much you should be in at least a class 5 rig. Class 6 would be even better. 

    You can't even use the capabilities of these trucks without endorsements on your license. But I dont expect many of the buyers to know that either.  Hopefully some owner of one of these trucks don't put others in danger because of a salesman and TV comersial. 

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    They keep increasing power to levels that are beyond what a pick up truck needs and are getting more into medium duty commercial truck area.  So what does that do to weight and cost of the pick ups?  There is a point when it is senseless, if the Silverado HD diesel is like $70,000, doesn't really matter if it has 1,000 lb-ft if no one can afford it.

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    11 minutes ago, smk4565 said:

    They keep increasing power to levels that are beyond what a pick up truck needs and are getting more into medium duty commercial truck area.  So what does that do to weight and cost of the pick ups?  There is a point when it is senseless, if the Silverado HD diesel is like $70,000, doesn't really matter if it has 1,000 lb-ft if no one can afford it.

    You can almost say the same exact thing word for word with the Mustang and Camaro(and maybe if the Challenger ever get's redone). Their power levels are about race car levels, not many can really extract their performance out of them, prices are outrageous...

    Edited by ccap41
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    3 hours ago, smk4565 said:

    ...if the Silverado HD diesel is like $70,000, doesn't really matter if it has 1,000 lb-ft if no one can afford it.

    Wut? Truck approach these prices right now, and the truck lines outsell anything else on the market. Weight is also not an issue; I don't believe the Duramax power train is any heavier after going from 450 TRQ to 900 TRQ.

    2 hours ago, balthazar said:

     

     

    Edited by balthazar
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    If you are one of the many who dismiss the need for working trucks to tow and haul safer and easier, yet praise 707hp coupes for quadrupling speed limits....raise your hands.

     

    Meh, don't bother, we already know.

     

    Kudos to GM for offering it's working customers, you know, those who actually buy and use the products....exactly what they are asking for.

     

     

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    1 hour ago, ccap41 said:

    You can almost say the same exact thing word for word with the Mustang and Camaro(and maybe if the Challenger ever get's redone). Their power levels are about race car levels, not many can really extract their performance out of them, prices are outrageous...

    I have said this about the Mustang and Camaro also.  If the Camaro is $60,000, it isn't really a Camaro anymore.  The Camaro used to be priced like a Malibu or Monte Carlo, it is was middle price Chevy, not they want Cadillac prices for it.  If you want a $60,000 sports car that is why the Corvette exists.  It would be nice if they offered a cheaper sports car if they are going to push Camaro and Corvette up market, but at the same time, sports car sales are dropping across the board, so it probably isn't worth it.

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    Camaro starts @ $25.9K. Malibu starts @ $21.6K. They are both below the new car ATP and in the same ballpark.

    Where the picture differs is that there are that many more layers above the base Camaro now, and that many less in the Malibu line. That's where the Camaro now can earn much higher stickers in high trim levels. Good for GM, good for those who are demanding such. There is nothing equivalent to the Chevelle Malibu SS396 anymore, or there'd be correspondingly higher trims there, too. 

    And yep; a $60K Camaro is still a Camaro, just as a ZL1 Camaro was one at double it's base MSRP back in the day. Try again. 

    Edited by balthazar
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    I built an Ecoboost Mustang Convertible and added everything I could(without adding the trunk mats, grocery net, and stuff like that) and it got up to just under 44k. That did include an auto trans and Performance Package along with whatever options package group was offered as well.

    The point was that cars are insanely priced and these massive trucks that are more capable than the driver's themselves can safely handle(or legally in the case of towing 30,000lbs).

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    If it isn't news why are you continuing to talk about it? There are plenty of other threads with new news for you to discuss new-only things, if that is what your desire is.

    Because one is jacked up way more than the other. All we were saying is that vehicle prices in general and their capabilities have skyrocketed in the past 10 years. Prices have risen well beyond the rate of inflation and power levels are that of competition trucks/cars.

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    Just now, ccap41 said:

    If it isn't news why are you continuing to talk about it? There are plenty of other threads with new news for you to discuss new-only things, if that is what your desire is.

    Because one is jacked up way more than the other. All we were saying is that vehicle prices in general and their capabilities have skyrocketed in the past 10 years. Prices have risen well beyond the rate of inflation and power levels are that of competition trucks/cars.

    Stop with the dramatics because you know exactly what I was talking about and me bringing it up is simply an acknowledgment, not a double standard as you are implying here. I only pointed out what you used as an example of "over priced" and if you know they are all overpriced, why bring up the example of one car not once but twice. Good grief. 

    And negative vote all you want because you made a false assumption about my post. That's the perfectly mature thing to do when you are wrong  

     

    This is why i hat I stopped talking to some of the children around here. 

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    On 9/28/2016 at 7:29 AM, Frisky Dingo said:

    And the power wars with useless figures continues. When is this going to stop? Loads aren't getting heavier.

    I agree. This is just another example of the useless one up. Would your average customer not buy this type of truck if none of them got above 600ft/lbs of torque? I don't think you but constantly upping these numbers make for great marketing hype. 

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    .........

     

    .........

     

    sticker shock over a vehicle because it has a certain cylinder count. I could mention a few vehicles that don't have cylinders at all that have blistering performance/performance intentions/useless stats for nerds and impressions...

     

    Also, Mercedes is in the works building a hypercar with an F1, 1.6L turbo-gheezer V6 hybrid cockadoodle bob thingamajigger according to MT. And Ford GT. Classic case of a V6 $450k supercar.

     

     

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    Saw a gorgeous '17 Camaro convert in the dealer prep area, black top & stripes over silver paint. Was a 2.0T / 6-spd man. Sticker was $35K and I was surprised it was that low by looking at it. Was thinking notably higher...

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    9 hours ago, Suaviloquent said:

    .........

     

    .........

     

    sticker shock over a vehicle because it has a certain cylinder count. I could mention a few vehicles that don't have cylinders at all that have blistering performance/performance intentions/useless stats for nerds and impressions...

     

    Also, Mercedes is in the works building a hypercar with an F1, 1.6L turbo-gheezer V6 hybrid cockadoodle bob thingamajigger according to MT. And Ford GT. Classic case of a V6 $450k supercar.

     

     

    Usually with that money you're buying standard performance in a performance car. Those cylinder-less cars you're speaking off offer a whole lot more for their asking price. It would be like buying a P75 Model S for P90 money.

    Funny you mention Ford GT's V6 while not mentioning the extensive use of carbon fiber and active aerodynamics.

    I thought that was interesting Mercedes was going to do that with that engine. Not sure what I think about it quite yet but interesting nonetheless.

    Edited by ccap41
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    I'm not good at being sarcastic. Dammit. No what I meant is in the literal sense....forget about all the the work gone in to bake in the performance.

     

    A Camaro V6 now isn't just about the engine anymore. It's about all the work done in the platform, lightweighting, and steering and the intangibles...

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