Tuning Nissan GT-R (2001 Tokyo Motor Show)

[herbiefan53]

I would like to know how to tune this car for drag racing for speed but i already have quick off the line and fast acceleration.

 

[AudiPro]

First, try dropping the car as low as possible then stiffen the rear springs. Also add a wing and put some downforce on the back and set the auto set on 1-3 to get the best acceleration.

Personally I wouldn't set this up as a drag car, if you want a really good drag car get a Chevrolet Chevelle 454 and use the same settings I stated above.

 

[Robbks]

Why put on a wing for downforce?
you want less aero drag for top end speed.

as little weight as possible,
and be careful aiming for only maximum horsepower, as that can make the car "peaky" and drop off the power-band when you change up a gear

play with the TCS settings too, some wheelspin is good at keeping the engine rpm up and in the high power-band when launching it

 

[Ignignoc N Err]

Robbks, in regard to your question about the wing, you would want downforce to maximize traction on the wheels driving the car (all 4 in this case).

Now, on-topic, I don't really have anything to offer as far as specifics, but I know one thing: there's a gap in time (no matter how small) when your car is shifting. During that time, you will not be gaining the same speed as when the transmission is engaged. Try to fiddle with your transmission settings to find the fastest acceleration, yet with the fewest gears to minimize time lost. It won't do you a whole lot of good to be ripping through your gears on your way to top speed, leaving the lion's share of your powerband (and torqueband) untouched. Use what the engine can give you to its maximum potential.

To add some credibility to what I'm suggesting, look at one of the most popular transmissions for drag machines: the Chevrolet TH400. It has just four forward speeds, and it can be built to withstand significant forces. It's an automatic, yes, but can be outfitted with a racheting shift lever, to simulate a sequential manual transmission. Lots of records and lots of fast times have been run by using the Turbo Hydramatic.

The moral to the story: sometimes less is more.

 

[Robbks]

I know full well what downforce/ aero-drag does but it'll only slow down the car in the top end where big gains in ET are made
he won;t be getting wheelspin beyond 60ft

the wings won;t have any real effect until he's pushing past 150km/h, so they won;t help get the thing off the line better, that's all in suspension tuning, power made and launching technique

 

[Ignignoc N Err]

Oh, I'm not advocating use of a wing, I promise you. However, I was just pointing out the reasoning behind using such. No offense, mate.

BTW, I realized something after I posted my remarks concerning the TH400: it has 3 forward gears, not 4. Sorry. I was thinking of the 700R4, which is the TH400 with overdrive. My bad.

 

[Leonidae@MFT]

Tell me if I'm wrong but I remembered that the Tokyo Motorshow Concept couldn't have a wing.. I should know, I tuned one back in the day.

 

[mafia_boy]

First, try dropping the car as low as possible then stiffen the rear springs. Also add a wing and put some downforce on the back and set the auto set on 1-3 to get the best acceleration.

Personally I wouldn't set this up as a drag car, if you want a really good drag car get a Chevrolet Chevelle 454 and use the same settings I stated above.

Why put on a wing for downforce?
you want less aero drag for top end speed.

as little weight as possible,
and be careful aiming for only maximum horsepower, as that can make the car "peaky" and drop off the power-band when you change up a gear

play with the TCS settings too, some wheelspin is good at keeping the engine rpm up and in the high power-band when launching it

Robbks, in regard to your question about the wing, you would want downforce to maximize traction on the wheels driving the car (all 4 in this case).

Now, on-topic, I don't really have anything to offer as far as specifics, but I know one thing: there's a gap in time (no matter how small) when your car is shifting. During that time, you will not be gaining the same speed as when the transmission is engaged. Try to fiddle with your transmission settings to find the fastest acceleration, yet with the fewest gears to minimize time lost. It won't do you a whole lot of good to be ripping through your gears on your way to top speed, leaving the lion's share of your powerband (and torqueband) untouched. Use what the engine can give you to its maximum potential.

To add some credibility to what I'm suggesting, look at one of the most popular transmissions for drag machines: the Chevrolet TH400. It has just four forward speeds, and it can be built to withstand significant forces. It's an automatic, yes, but can be outfitted with a racheting shift lever, to simulate a sequential manual transmission. Lots of records and lots of fast times have been run by using the Turbo Hydramatic.

The moral to the story: sometimes less is more.

I know full well what downforce/ aero-drag does but it'll only slow down the car in the top end where big gains in ET are made
he won;t be getting wheelspin beyond 60ft

the wings won;t have any real effect until he's pushing past 150km/h, so they won;t help get the thing off the line better, that's all in suspension tuning, power made and launching technique

Oh, I'm not advocating use of a wing, I promise you. However, I was just pointing out the reasoning behind using such. No offense, mate.

BTW, I realized something after I posted my remarks concerning the TH400: it has 3 forward gears, not 4. Sorry. I was thinking of the 700R4, which is the TH400 with overdrive. My bad.

I haven't read so much fail in the GT4 section in a LOOONG TIME. First off the GTR will smash a Chevelle, 7.30's vs high 8's. Second, you couldn't fit a wing to it. Third, the STOCK gearbox was better for the R35 Concept by over 0.2second. Fourth, the spring rate on the rear needed to be as SOFT as possible, not hard at all!! Fifth, you wanted to use ALL of your gears as the acceleration overcomes the loss from gearshifting and the stock R35 gearbox was INSTANT shifting because it was a DSG gearbox. Sixth, real life gearboxes have NO RELEVANCE to gearboxes in Gran Turismo. And Seventh and finally, the quickest way to make the car quicker was to add ballast on the rear (125kg @ +50) and to have the TCS set at 5. The TCS was the only comment in that whole diatribe between you guys that even remotely made any sense.

Tell me if I'm wrong but I remembered that the Tokyo Motorshow Concept couldn't have a wing.. I should know, I tuned one back in the day.

EXACTLY. 👍