Jump to content
SAU Community

Neutered Gt-r Launch Control Results

LSX-438

By LSX-438,
in R35 GTR

 Share

Recommended Posts

LSX-438 Mentor

LSX-438

Posted
Posted

I know the GT-R isnt a 1/4 mile queen BUT - those following the launch control saga with the Nissan R35 may know that USA spec cars have had their launch control reprogrammed this week such that a) you CAN use launch control with VDC on and b) it will only launch at about 3000rpm now (vs 4800rpm or thereabouts before).

The expected results : it would blunt the performance right?

however it seems some guy has just set another stocker R35 record with the software update today.

http://www.gtrblog.com/index.php/200...-quarte?blog=4

11.34@120mph is pretty amazing given this is a 100% stock car.

I'm guessing the update involved a tad more than changing the launch rpm...

progress.gif

Martin Donnon Mentor

Martin Donnon

Posted
Posted

LSX-438....

The new launch control ran a 1.69 60ft on the Dunlops, its good, but not as quick as the 1.44 60ft generated on the old Launch Control ;)

Feeding in the clutches at 3000rpm with the traction control working isnt going to be as fast as sidestepping the pedal at 4500rpm which is what the old LC system did. Not many of these guys understood that unless they made the car 'hook' that axle tramp would destroy first gear....now its been made 'soft' there will be no such problems :)

LSX-438 Mentor

LSX-438

Posted
  • Author
Posted (edited)
LSX-438....

The new launch control ran a 1.69 60ft on the Dunlops, its good, but not as quick as the 1.44 60ft generated on the old Launch Control :)

Feeding in the clutches at 3000rpm with the traction control working isnt going to be as fast as sidestepping the pedal at 4500rpm which is what the old LC system did. Not many of these guys understood that unless they made the car 'hook' that axle tramp would destroy first gear....now its been made 'soft' there will be no such problems :)

hence my surprise Martin!

- especially at the 11.3 "stocker record"

personally i think it's quick enough, albeit with a 3000rpm launch.

Edited by LSX-438
Martin Donnon Mentor

Martin Donnon

Posted
Posted (edited)
hence my surprise Martin!

- especially at the 11.3 "stocker record"

personally i think it's quick enough, albeit with a 3000rpm launch.

Whats more surprising is the 11.6 from that same car 'dead stock' with no Launch Control at all :D

When I refer to 'hook' its hook-up off the line....

Edited by Martin Donnon
LSX-438 Mentor

LSX-438

Posted
  • Author
Posted
Whats more surprising is the 11.6 from that same car 'dead stock' with no Launch Control at all :D

When I refer to 'hook' its hook-up off the line....

well that's true there could be something "special" going on with that car. Then again it's 3/10ths better from what we all expected (their prior results) - i think everyone just assumes it was going to be slower with the update, and yet it wasnt. I suppose we'll see a few others go out there soon and see what's what.

sewid Grand Master

sewid

Posted
Posted

More results in...

Edmunds Update Their Long Term GT-R and Get Faster

Edmunds long term test blog has been debating on whether or not to update their Nissan GT-R with the latest software update from Nissan for a couple of weeks now.

They finally decided to go ahead with it (for science!) and have now put it to the test. They’ve confirmed what others are saying and the GT-R is only improved by this update.

Results - VDC Off:

* 0-60mph - 3.6 sec (3.3 adjusted)

* 0-400m ET - 11.6 sec @ 118.9 mph

Results - VDC On:

* 0-60mph - 3.6 sec (3.4 adjusted)

* 0-400m ET - 11.7 sec @ 118.5 mph

Their “tips” on launching the updated GT-R may explain why their time is not as fast as we’ve seen. Some owners are reporting that there’s more to it than just planting the brake and the throttle. There’s a certain technique and timing required to get the best out of the new launch.

They also don’t mention what transmission mode they’re in since you can now do it in manual and auto in any transmission mode.

Check out the link below for the full article with details and a comparison to their previous best results…

Link: Edmunds Blog: 2009 Nissan GT-R: Reprogrammed, Our GT-R Gets Quicker

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share
Go to topic listing


  • Similar Content

  • Latest Posts

    • The Bogan
      NC MX5

      By The Bogan · Posted

      Yeah, it's getting like that, my daughter is coming over on Thursday to help me remove the bonnet so I can install the Carbuilders underbonnet stuff,  I might get her to give me a hand and remove the hardtop, maybe, because on really hot days the detachable hardtop helps the aircon keep the interior cool, the heat just punches straight through to rag top I also don't have enough hair for the "wind in the hair" experience, so there is that....LOL
    • joshuaho96
      Cas issue

      By joshuaho96 · Posted

      Could be falling edge/rising edge is set wrong. Are you getting sync errors?
    • joshuaho96
      Jacks that fit under GTR lips that can reach the subframe?

      By joshuaho96 · Posted

      On BMWs what I do because I'm more confident that I can't instantly crush the pinch welds and do thousands of USD in chassis damage is use a set of rubber jacking pads designed to protect the chassis/plastic adapter and raise a corner of the car, place the aforementioned 2x12 inch wooden planks under a tire, drop the car, then this normally gives me enough clearance to get to the front central jack point. If you don't need it to be a ramp it only needs to be 1-1.5 feet long. On my R33 I do not trust the pinch welds to tolerate any of this so I drive up on the ramps. Before then when I had to get a new floor jack that no longer cleared the front lip I removed it to get enough clearance to put the jack under it. Once you're on the ramps once you simply never let the car down to the ground. It lives on the ramps or on jack stands.
    • GTSBoy
      Mistakes were made, my R34 Story

      By GTSBoy · Posted

      Nah. You need 2x taps for anything that you cannot pass the tap all the way through. And even then, there's a point in response to the above which I will come back to. The 2x taps are 1x tapered for starting, and 1x plug tap for working to the bottom of blind holes. That block's port is effectively a blind hole from the perspective of the tap. The tapered tap/tapered thread response. You don't ever leave a female hole tapered. They are supposed to be parallel, hence the wide section of a tapered tap being parallel, the existince of plug taps, etc. The male is tapered so that it will eventually get too fat for the female thread, and yes, there is some risk if the tapped length of the female hole doesn't offer enough threads, that it will not lock up very nicely. But you can always buzz off the extra length on the male thread, and the tape is very good at adding bulk to the joint.
    • Duncan
      Mistakes were made, my R34 Story

      By Duncan · Posted

      Nice....looking forward to that update
×
×
  • Create New...