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Motortrend WOT nismo GT-R details article.

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#1
ian.r

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http://wot.motortren...ing_600_hp.html

 

 

 

“Nothing exceeds like excess.” Justin Timberlake’s “Suit and Tie” lyric recently dusted off that Scarface movie line paraphrasing the old “succeed-success” proverb, and now Nissan is putting it to the test in the automotive realm by adding still more power to Godzilla. Yes the mighty GT-R Nismo special edition model will up the performance ante to 600 hp and “over 480 lb-ft.” Auto Show Floor Update: Given that the special Time Attack version of the 2015 Nissan GT-R Nismo just recorded a 7:08.679 Nürburgring lap, we knew the production Nismo would be fast. We didn't know that the car would be "about-2-seconds-0-60 fast," as Nissan vice president of sales and marketing Fred Diaz said at Nissan's L.A. auto show press conference. Rumors have circulated that the Nismo variant would be capable of accelerating to 60 mph in the 2-second range, but now a Nissan exec has confirmed that estimate. The last 2014 Nissan GT-R Track Edition we tested achieved 0-60 in 2.7 seconds, so we can't wait to put Nissan's claims for the Nismo model to the test. - Alex Nishimoto That boost of 50+ hp and at least 17 lb-ft comes primarily from larger-diameter turbochargers borrowed from the GT3 racing program, along with improved breathing, and optimized ignition timing, plus an elevation of the power peak to 6800 rpm, from the 6400 on base models. 2015-Nissan-GT-R-Nismo-rear-three-quarte Both the engine and aero work were developed for Nismo’s entrant in the 2012 Nurburgring 24-hour race, and naturally these major improvements required some upgrades be made to the chassis as well. The racing enhancements were dialed back a bit for the road car to ensure minimum acceptable levels of road noise and ride refinement out in the real world. A 17.3mm hollow rear anti-roll bar is both stiffer and lighter than the stock unit. Spring rates and Bilstein DampTronic shock valving are uniquely tuned for higher grip and progressive limit-handling response. Special front control-arm links increase caster trail for improved high-g cornering (they also help it track better in a straight line). The wheel bolts are upsized to increase the stiffness at the wheel/hub interface. Even the body-shell gets a stiffness upgrade in the form of additional adhesive bonding to augment the spot welds (there’s an upgrade that’s impossible for aftermarket tuners to do!). Best of all, after a vigorous track-lapping session, drivers will be able to download a digital report of their runs using Nissan’s telematics connection. The car goes on sale 2014, at which point it will be up to you to transport your car to Germany and try to beat Nissan’s best Nurburgring lap time, which was to be announced today, in the road-going version.
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Naturally you’ll want your friends to be able to distinguish your Nismo from ordinary cooking GT-Rs, and in case the rear wing and red-accented bumpers and side-sills don’t do the job sufficiently, there are six-spoke black wheels inspired by the GT500 race car, and a Nismo-only dark matte grey paint option. Inside you’ll be treated to “discreet red stitching” on the seats, console, and on the Alcantara-swathed three-spoke steering wheel (which also includes a red stripe at 12-o’clock to indicate straight ahead). We've tested a 2014 GT-R with the Track Pack, accelerating form 0-60 mph in 2.7 seconds. The all-wheel-drive supercar killer completed our figure-eight course in 23.0 seconds at 0.93 g average. The rest of the story...
2015-nissan-gt-r-nismo-live-reveal-camo-
Posing with the GT-R "Time Attack" car.
Plusher “base car.” Now that there’s an even more extreme performance model available, the time seemed right to domesticate the mainstream car just a skosh. The suspension (shocks, springs, and tires) are all revised with the goal of maintaining ultimate grip but providing a more comfortable ride. The sound-insulation package has been optimized and upgraded to exclude some of the rowdiest road noise, and a Bose Active Noise Controller system kicks in to quell the boomiest of undesirable engine frequencies. Altogether, the interior din is said to be lower by a (most welcome) 10 dBA. There’s also a new LED front lighting package with three electronically illuminated projector beams on each side of the car, and new medium red metallic exterior and ivory interior colors. Nismo details. That adhesive that augments the spot welds is applied around the door opening and along the sides of the rear window and trunk opening. The material cures in the paint shop. The lug bolts are 2mm larger in diameter to improve stiffness and form a more secure attachment. The tires are also new and provide far greater grip while preserving true on-road drivability in the wet, as opposed to the minimally grooved slicks that the DOT questionably calls “legal.” The 7:08.679 Nurburgring car. The Nismo car you can buy next summer won’t circulate the ‘Ring quite this quickly. The so-called “Time Attack” car displayed in the camouflage has several additional upgrades. The engine is tuned differently with identical 600-hp and 481-lb-ft horsepower and torque peaks, but the curves are slightly fatter. The AWD system’s torque biasing program is tweaked slightly. The aerodynamics package also differs in a couple very meaningful ways that will likely erode that 0.27 Cd claimed for the mainstream model. The rear wing stands quite a bit taller; there’s an aero fence running along the rear edge of the hood, and the front fenders have little aero “whiskers.” Many of these upgrades will likely find their way into the Nismo Track edition (or whatever they call it), though it’s not clear whether the aero fence on the hood could pass pedestrian crash standards or whether the tweaked engine could be made clean enough to be legal. Some smack talk. 2010 GT1 World Champion Michael Krumm managed to pedal the GT-R around the ring for that hero time mentioned above, but about a week before the GT-R’s time was released, Porsche proudly crowed that its 918 Spyder managed the job in 6:57. Michael has studied the in-car playbacks and notices that while the 918 was faster climbing up all the hills, and it frequently achieved higher top speeds on the straights, the GT-R cornered as quickly. He also noticed that toward the back half of the track, the split times were equalizing as the hybrid hypercar’s batteries eventually wore down. He also pointed out that that car was essentially running on grooved slicks. Fitting similar tires to the GT-R helped but did not equalize the cars’ performance. His observations raise the question: Which of these cars would be faster over two laps? The GT-R certainly won’t run out of gas before the 918 runs low on boost electricity, but will it run out of tire?
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#2
HiBoost

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So they're really claiming 0-60 in 2.0... or at least strongly hinting at it... strange that that wouldn't have been a HUGE bullet point in the original presentation at the Tokyo show, isn't it?  I mean no other production car has ever done 2.0 so that would be worth mentioning I'd think ;)


-Jeff

#3
Skyliner

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So they're really claiming 0-60 in 2.0... or at least strongly hinting at it... strange that that wouldn't have been a HUGE bullet point in the original presentation at the Tokyo show, isn't it?  I mean no other production car has ever done 2.0 so that would be worth mentioning I'd think ;)

 

 

I bet It will do 0-60 in 2.5 seconds....  10% better power to weight ratio, cannot improve 0-60 time more than 10% unless  launch control is more aggressive...


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#4
ian.r

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2.0 was denied by nissan. that must be a mistake on there part.

#5
HiBoost

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I bet It will do 0-60 in 2.5 seconds....  10% better power to weight ratio, cannot improve 0-60 time more than 10% unless  launch control is more aggressive...

 

I had to put gloves on before quoting that since it seems to be fresh out of your ass ;)  You can improve 0-60 times just by changing tires with the same power:weight ratio.  Or with better suspension to load/control the tires better.  Or with better ECM/TCM logic.  There is no 10% to 10% correlation.


-Jeff

#6
SubDriver

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It's Skyliner logic.  Don't question it.



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#7
Skyliner

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I had to put gloves on before quoting that since it seems to be fresh out of your ass ;)  You can improve 0-60 times just by changing tires with the same power:weight ratio.  Or with better suspension to load/control the tires better.  Or with better ECM/TCM logic.  There is no 10% to 10% correlation.

 

Really? You take a stock GT-R (550 HP) put any tires you want and try to run 0-60 in under 2.7 seconds. Go on, prove me wrong. The GT-R is set for maximum acceleration already. Unless you turn up the boost, you won't go faster. The track edition that ran 2.7 seconds (Motor Trend) had zero wheel spin. There is no more room for improvement.

IF you insist, you are gonna have to prove me wrong...


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#8
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Sky, unfortunately you are wrong. The no wheel spin you speak of is because traction control doesn't allow it. This car is definitely not set up to maximize 0-60 because it also has to corner well and the two goals are at odds with each other. Why do you think AMS offers a drag suspension for sale? A suspension setup for drag racing and stickier tires will lower a stock cars 0-60. This is pretty much car knowledge 101.

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#9
HiBoost

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Really? You take a stock GT-R (550 HP) put any tires you want and try to run 0-60 in under 2.7 seconds. Go on, prove me wrong. The GT-R is set for maximum acceleration already. Unless you turn up the boost, you won't go faster. The track edition that ran 2.7 seconds (Motor Trend) had zero wheel spin. There is no more room for improvement.

IF you insist, you are gonna have to prove me wrong...

 

Skyliner, I don't "have" to prove you wrong.  The internet is loaded with millions of people that don't know their head from their ass and I can't be burdened with educating all of them. 

 

Do you understand that the car dynamically adjusts power based on the amount of wheel slip?  If you don't, please stop reading now.  If you do, then do you understand how stickier tires would allow more power to be applied without slip and therefore provide faster acceleration?  Surely you don't think the OEM tires are the stickiest tire known to man, right?  Furthermore, we know the Nismo uses different tires.  So that alone could amount to more of an improvement than your brilliant 10% rule allows for.  Additionally, suspension changes are HUGE in standing start potential.  For example, a change in the rear camber would allow more of the tire to contact the road and thus allow more power to be used without inducing wheelspin.  Again, something the 10% rule doesn't allow for....

 

Do I need to go on??  Or have I "proven" it to you??


-Jeff

#10
Skyliner

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Sky, unfortunately you are wrong. The no wheel spin you speak of is because traction control doesn't allow it. This car is definitely not set up to maximize 0-60 because it also has to corner well and the two goals are at odds with each other. Why do you think AMS offers a drag suspension for sale? A suspension setup for drag racing and stickier tires will lower a stock cars 0-60. This is pretty much car knowledge 101.

 

The AMS drag suspension is needed when you have more power than a stock GT-R can produce. Do you really think that a stock 550 HP GT-R with a drag set-up will go from 0 to 60 in 2.5 seconds instead of 2.7?  Traction control is irrelevant. It's switched off anyway in cases like that. You can't do 0-60 in 2.7 seconds with your traction control ON!


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#11
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Skyliner, I don't "have" to prove you wrong.  The internet is loaded with millions of people that don't know their head from their ass and I can't be burdened with educating all of them. 

 

Do you understand that the car dynamically adjusts power based on the amount of wheel slip?  If you don't, please stop reading now.  If you do, then do you understand how stickier tires would allow more power to be applied without slip and therefore provide faster acceleration?  Surely you don't think the OEM tires are the stickiest tire known to man, right?  Furthermore, we know the Nismo uses different tires.  So that alone could amount to more of an improvement than your brilliant 10% rule allows for.  Additionally, suspension changes are HUGE in standing start potential.  For example, a change in the rear camber would allow more of the tire to contact the road and thus allow more power to be used without inducing wheelspin.  Again, something the 10% rule doesn't allow for....

 

Do I need to go on??  Or have I "proven" it to you??

 

Your post is full of theories which are known to me... Find me one stock 550 HP GT-R with any kind of drag set-up you want, that managed to do 0-60 faster than the Motor Trend's verified 2.7 seconds.  This is a challenge for ya, take it or leave it! 

 

What you fail to understand is that the GT-R is so heavy that 550 HP is not enough to move its 1.7-ton mass from 0 to 60 mph in under 2.7 seconds. No matter how you play with tires and suspension, you won't be able to go faster. Reality proves me right...


Edited by Skyliner, 10 December 2013 - 09:43 AM.

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#12
HiBoost

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Your post is full of theories which are known to me... Find me one stock 550 HP GT-R with any kind of drag set-up you want, that managed to do 0-60 faster than the Motor Trend's verified 2.7 seconds.  This is a challenge for ya, take it or leave it! 

 

What you fail to understand is that the GT-R is so heavy that 550 HP is not enough to move its 1.7-ton mass from 0 to 60 mph in under 2.7 seconds. No matter how you play with tires and suspension, you won't be able to go faster. Reality proves me right...

 

Despite what you tell yourself while masturbating in the corner, there is nothing about the GTR that defies the laws of physics.  The acceleration is limited by power and traction, same as any car.  Increase either one and you'll increase acceleration.  That's as simple as I can make it for you.


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#13
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The AMS drag suspension is needed when you have more power than a stock GT-R can produce. Do you really think that a stock 550 HP GT-R with a drag set-up will go from 0 to 60 in 2.5 seconds instead of 2.7?  Traction control is irrelevant. It's switched off anyway in cases like that. You can't do 0-60 in 2.7 seconds with your traction control ON!

This post alone shows you have a gross conceptual error.  The launch control that the magazines test the car with will not work with TC off, it has to be in R.  You would know that if you had one.  Only aftermarket TCM changes allow you to launch with TC off.  Every car will go faster than factory times when set up with slicks and a drag suspension.


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#14
Skyliner

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Despite what you tell yourself while masturbating in the corner, there is nothing about the GTR that defies the laws of physics.  The acceleration is limited by power and traction, same as any car.  Increase either one and you'll increase acceleration.  That's as simple as I can make it for you.

 

In fact, acceleration is not limited only by power and traction. It is also limited by weight. Google inertia and mass and you will see how wrong you are. You ignore the most basic law of physics which is inertia and it is related to mass! Traction is already maximized with the Track Pack, the car is limited by its inertia which derives from its mass.


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#15
Skyliner

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This post alone shows you have a gross conceptual error.  The launch control that the magazines test the car with will not work with TC off, it has to be in R.  You would know that if you had one.  Only aftermarket TCM changes allow you to launch with TC off.  Every car will go faster than factory times when set up with slicks and a drag suspension.

 

TC in R mode is almost OFF, in practice, to maximize acceleration. You should know that.


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#16
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No it is absolutely not.  If it detects tire slip, it cuts power.  Plain and simple.  Face it, you are wrong, you said you cant go 0-60 in 2.7 sec with TC on which is false.  This is why those with modified GT-Rs that try to use LC often bog off the line because the extra power causes too much wheel slip.  They need to go with a modified LC where TC if Off.  The point is while the GT-R is very fast stock, if you change tires and use a suspension that maximizes weight transfer you will get better times.



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#17
HiBoost

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Skyliner I won't respond to you anymore in any threads, please do me the same favor.


-Jeff

#18
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Skyliner I won't respond to you anymore in any threads, please do me the same favor.


You've been "skylined"!
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#19
ian.r

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lol u just coined a new term... and i love it lol

#20
JasperGTR

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TC in R mode is almost OFF, in practice, to maximize acceleration. You should know that.

Could you do me a favor and explain what "TC in R mode is almost OFF" is?

 

I don't understand how TC in R can be OFF. 

 

Also - how do stock DBA R35's launch with VDC-OFF?  I don't understand this phenonema. 

 

Perhaps I'm not familiar with the platform. 






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