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MT Tests '16 Sierra Denali. Puts Pushrods To Test. Results Astound.


El Kabong

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There has been a vague buzz about this place as of late regarding pushrod V8 engines. More specifically, how they are supposedly old hat and unable to meet mileage and power demands going forward. So I came across this truck test from Motor Trend, and I figured I'd just leave it here, like a lump of coal for the TTV6 crowd.

Some Christmas cheer for fans of V8 awesomeness here:

http://www.motortrend.com/news/2016-gmc-sierra-denali-1500-4wd-first-test-review/

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Some sample quotes to drive home the point:

"The Sierra Denali barely even noticed the 7,000-pound average-weight trailer. It blew through 60 mph in 13.3 seconds and through the quarter mile in 19.5 seconds at 71.8 mph... With the 9,100-pound trailer strapped on, the GMC still flew, powering from 0 to 60 mph in 14.9 seconds and completing the quarter mile in 20.3 seconds with a trap speed of 70.2 mph. For context, the luxurious 2015 Ford F-150 Platinum FX4 with the 3.5-liter EcoBoost V-6 took 14.7 seconds to reach 60 mph and dusted off the quarter mile in 20.2 seconds at 69.5 mph while pulling 7,000 pounds. Lest we forget, the stout twin-turbo 3.5-liter always feels up for a drag race. Unladen, the F-150 and Sierra’s Real MPG are within spitting distance of each other, too, with the GMC’s 15.4/21.1/17.5 mpg city/highway/combined edging the Ford’s 14.8/19.9/16.8."

So, to conclude: same towing power as a TTV6.

Better mileage than a TTV6.

Pushrod valvetrain.

That, friends, is cooler than the Fonz.

Merry Christmas to all :D :D :D

Edited by El Kabong
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Amazing the kind of power, performance and fuel economy that the Ford truck manages uses their old V6 and only 6 speeds.

 

Can't wait to see results with the all new V6 and 10 speeds.

I also wonder how that will compare to the coming updated Ford V8 6.2L as well.

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Amazing the kind of power, performance and fuel economy that the Ford truck manages uses their old V6 and only 6 speeds.

 

Can't wait to see results with the all new V6 and 10 speeds.

I also wonder how that will compare to the coming updated Ford V8 6.2L as well.

That "old" V6 is newer than the pushrod it competes against.

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Amazing the kind of power, performance and fuel economy that the Ford truck manages uses their old V6 and only 6 speeds.

 

Can't wait to see results with the all new V6 and 10 speeds.

I also wonder how that will compare to the coming updated Ford V8 6.2L as well.

That "old" V6 is newer than the pushrod it competes against.

 

 

No, no, NO, the technology is newer, but the V6 is the same basic and original EcoBoost that launched a decade ago, that was only updated several years ago by adding TiVCT instead of just iVCT.  The 6.2L is completely new (as is the 8 speed) and launched more recently.  

 

New Ford V6 is months away now. 

As is the 10 speed.

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Amazing the kind of power, performance and fuel economy that the Ford truck manages uses their old V6 and only 6 speeds.

 

Can't wait to see results with the all new V6 and 10 speeds.

I also wonder how that will compare to the coming updated Ford V8 6.2L as well.

That "old" V6 is newer than the pushrod it competes against.

 

 

No, no, NO, the technology is newer, but the V6 is the same basic and original EcoBoost that launched a decade ago, that was only updated several years ago by adding TiVCT instead of just iVCT.  The 6.2L is completely new (as is the 8 speed) and launched more recently.  

 

New Ford V6 is months away now. 

As is the 10 speed.

 

No because the pushrod that the GM motor is based off of, is older. This "new" motor is merely a revision of the existing 6.2L (the LT1 really isn' t all that different from the LS3 it replaced) that has been around for decades. Not sure what you are not getting here. The pushrod GM is older than the 3.5L Ford.

 

To the rest of your post, it's the same old "wait until..." when you have no other argument. Doesn't even merit a response honestly.

:toiler:

Edited by surreal1272
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Oh don't be so hard on yourself bong, you are working plenty hard enough with your bait thread.....on Christmas Eve. :thumbsup:

By my calculations, you're answering me on Christmas Day.

Just. Too. Easy.

How do you manage to keep having feet to shoot yourself in?

:D :D :D

...and oh, those poor Fords.

Perhaps GM should sell them the old LS tooling. It might help their engineers focus on their jobs more, 'cause right now it just looks like they're all crapping the bed something TERRIBLE :D :D :D

Edited by El Kabong
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The L86 is "all new" launched about 2 years ago I believe, and many years newer than the Ford engine.

Nice try surreal.

http://www.lsxtv.com/news/gm-officially-rates-6-2-liter-l86-truck-engine-at-420-horsepower/

LOL@desperate backtracking in the face of old tech learning new tricks :D :D :D

Face it: GM is schooling Ford in truck and RWD applications.

Edited by El Kabong
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The L86 is "all new" launched about 2 years ago I believe, and many years newer than the Ford engine.

 

Nice try surreal.

http://www.lsxtv.com/news/gm-officially-rates-6-2-liter-l86-truck-engine-at-420-horsepower/

Maybe one day you will actually read what I posted instead of what you are reading in your head. Furthermore, it does not matter. Can GM fans use the same excuse as yourself with this "wait until..." nonsense? No so Ford's "wait and see" is just that, wait and see. Right now, the 6.2L pushrod is a beast that is also good on gas with it's "older tech" i.e. "pushrod engine". Do you get it now ?

 

The L86 is "all new" launched about 2 years ago I believe, and many years newer than the Ford engine.

Nice try surreal.

http://www.lsxtv.com/news/gm-officially-rates-6-2-liter-l86-truck-engine-at-420-horsepower/

LOL@desperate backtracking in the face of old tech learning new tricks :D :D :D

Face it: GM is schooling Ford in truck and RWD applications.

 

But just wait until next year Bong, or the year after, or the year after that? :breakdance:

 

Per his own link.

"All Gen V engines feature direct injection, Active Fuel Management (AFM) and continuously variable valve timing. And like traditional small-block engines that have been around since 1955, the Gen V small-blocks are single-cam, overhead-valve design and feature a 4.400-inch bore center."

Edited by surreal1272
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Oh the desperation.....on Christmas Eve of all nights to start a bait thread.

 

 

But surreal, I will give you this, that "all new" with respect to GM engines, is sort of a relative term. 

 

This is from the link above:

 

"And like traditional small-block engines that have been around since 1955, the Gen V small-blocks are single-cam, overhead-valve design and feature a 4.400-inch bore center."

 

So I guess anything new can be an exciting time for GM fans.

 

Merry Christmas boys.  Time to put some presents under the tree, as everyone is finally asleep :)

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GM is getting the 10-speed too, so it will not be a Ford exclusive for very long.

Even with an all new block, a new 3.5 Ecoboost is not going to be putting out 460 lb-ft of torque. I'm not saying Ford can't do it, but those are Cadillac ATS-V numbers and Ford is not going to put that level of premium hardware into an F-150. 

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Oh the desperation.....on Christmas Eve of all nights to start a bait thread.

 

 

But surreal, I will give you this, that "all new" with respect to GM engines, is sort of a relative term. 

 

This is from the link above:

 

"And like traditional small-block engines that have been around since 1955, the Gen V small-blocks are single-cam, overhead-valve design and feature a 4.400-inch bore center."

 

So I guess anything new can be an exciting time for GM fans.

 

Merry Christmas boys.  Time to put some presents under the tree, as everyone is finally asleep :)

Continue to call it a bait thread yet can't seem to stop posting on it, thus giving it credibility past that of a "bait thread". Merry Christmas to all indeed.

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GM is getting the 10-speed too, so it will not be a Ford exclusive for very long.

Even with an all new block, a new 3.5 Ecoboost is not going to be putting out 460 lb-ft of torque. I'm not saying Ford can't do it, but those are Cadillac ATS-V numbers and Ford is not going to put that level of premium hardware into an F-150. 

 

 

Actually, current Navigator with old 3.5L has 460ftlbs, and the flattest, earliest torque curve you can find.

 

Soooo, yeah, they should be able to top that.  At least in premium trim models.  

 

Oh the desperation.....on Christmas Eve of all nights to start a bait thread.

 

 

But surreal, I will give you this, that "all new" with respect to GM engines, is sort of a relative term. 

 

This is from the link above:

 

"And like traditional small-block engines that have been around since 1955, the Gen V small-blocks are single-cam, overhead-valve design and feature a 4.400-inch bore center."

 

So I guess anything new can be an exciting time for GM fans.

 

Merry Christmas boys.  Time to put some presents under the tree, as everyone is finally asleep :)

Continue to call it a bait thread yet can't seem to stop posting on it, thus giving it credibility past that of a "bait thread". Merry Christmas to all indeed.

 

 

 

yeah, I do my best to steer it on track and on topic, rather than just attack people.

 

Thanks and Merry Christmas to you too.

And drew,

Ford took the lead on 10 speed engineering and will have it to themselves for a few years prior.  

Edited by Wings4Life
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There has been a vague buzz about this place as of late regarding pushrod V8 engines. 

 

The 'debate' is an on-again, off-again feature of C&G that similarly plagues the entire 'autosphere' which is filled to the brim with pseudo-engineers who genuinely believe that DOHC and OHV methodologies are in competition, thus reducing each engine's application into a one-upmanship game. 

 

But what else can we expect from unscrubbed plebs who don't own Tesla's?

 

Merry Christmas. 

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The Navigator only gets that on premium fuel... so yea, not really acceptable for an F-150. Putting in regular means a 40 ft-lb loss in torque (based on current F-150 ratings). The ATS-V recommends premium also, but again, premium brand like Lincoln.

I do expect an improvement over the current EB 3.5, but highly unlikely they'll be hitting 460 lb-ft on regular fuel unless they up the displacement a bit over the current 3.5 liters.

But I just learned the 2.7 is an iron block instead of aluminum, so maybe they can dial the boost way up without causing problems.

For me assuming the same displacement, 430 - 450 lb-ft on regular would be expected, 460 lb-ft would be a nice surprise, over that would be astounding but would make me wonder what the driver sacrafices to use it.

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460ftlbs is available as mentioned and more will be available, even if they only offer it in a GMC-like premium trim level.  It is an entirely new engine that will only share displacement.  And more displacement is not needed. That is one of the perks of GTDI.

Fuel type should not be a concern in those premium trim models, especially at today's cheap prices.  And it's not just torque peak that will impress, but massive average torque, better known as area under the curve.

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