G35 Coupe V35 2003 - 07 Discussion about the 1st Generation V35 G35 Coupe

Rear Active Steer: How Does it Work ?

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Old Sep 8, 2007 | 12:38 AM
  #16  
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True. Corvettes, Lambos, and the Ferraris don't have it. Mainly because they were designed to go straight.

The G35, the old school skylines are made the curvy roads.
 
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Old Sep 8, 2007 | 01:39 AM
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Originally Posted by vice_versa
True. Corvettes, Lambos, and the Ferraris don't have it. Mainly because they were designed to go straight.

The G35, the old school skylines are made the curvy roads.
Ferrari's were designed to go straight? you're joking, right?
 
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Old Sep 8, 2007 | 01:46 AM
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Originally Posted by vice_versa
True. Corvettes, Lambos, and the Ferraris don't have it. Mainly because they were designed to go straight.

The G35, the old school skylines are made the curvy roads.
thats the silliest thing ive ever heard. Ferraris mainly designed to go straight?

Ferraris were designed as race cars before street cars. And im not talking dragsters.

As for RAS, Im sure it was added to the G35 for additional safety (high speed control) rather than getting additional edge in the handling dept.
 
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Old Sep 8, 2007 | 04:15 AM
  #19  
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so what year does come with RAS? does my car have it? how can i tell?
 
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Old Sep 8, 2007 | 10:40 AM
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Originally Posted by jzhu625
so what year does come with RAS? does my car have it? how can i tell?
It was answered by...
Originally Posted by mwarsh1
06 And Up
And there two recent posts about this. I posted link of RAS system on mine in both threads. Link goes to yet another somewhat recent thread about this subject.
https://g35driver.com/forums/g35-coupe-v35-2003-07/176355-ras-rear-active-steer.html
https://g35driver.com/forums/g35-coupe-v35-2003-07/145835-rear-active-steering.html

Search tool answers a lot of these redundant questions.
 
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Old Sep 8, 2007 | 01:47 PM
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Exclamation

Originally Posted by Funner567
in real life no one jerks their car to the left as hard as they did in the nissan video.

.... if there's a flying piece/chunk of tire coming at you... you will jerk your car like they did in the nissan video.DOMO
 
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Old Sep 8, 2007 | 03:48 PM
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Originally Posted by visualfusion
.... if there's a flying piece/chunk of tire coming at you... you will jerk your car like they did in the nissan video.DOMO
FOSHO!
 
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Old Sep 8, 2007 | 05:47 PM
  #23  
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Originally Posted by Algy
FOSHO!
Also, if you tried road racing, "button willow speedway", you will feel a big azz difference if you have RAS vs. a Non-RAS car.

Try it.. Difference was day and night.
 
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Old Sep 10, 2007 | 10:45 PM
  #24  
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Thanks for all the feedback !

One more question ... at speed the rear tires turn at the same direction by a couple of degrees. It also says on the Nissan website that it reduces steering effort at low speed. Does that mean the rear wheels turn in the opposite direction during parking lot maneuvers ?
 
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Old Sep 11, 2007 | 01:31 AM
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Originally Posted by KenH
Thanks for all the feedback !

One more question ... at speed the rear tires turn at the same direction by a couple of degrees. It also says on the Nissan website that it reduces steering effort at low speed. Does that mean the rear wheels turn in the opposite direction during parking lot maneuvers ?
yep.. I dont know if you remember the gmc/chevy quadrasteer commercials from a few years ago, but its the exact same thing.
 
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Old Sep 11, 2007 | 10:18 AM
  #26  
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Yep, I remember the quadra-steer. I saw one pull into a parking spot and was blown away by how it manevoured into a tight spot.
 
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Old Sep 11, 2007 | 10:52 AM
  #27  
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Originally Posted by mwarsh1
The Only Car Which I Think Ras Steer Should Come With Is A Car That Costa About 100000 Because They Can Spend The Proper Money To Make The System, Right, Like The Old Hikas System Sucked, So They Stoped It For Ten Years Or So, Its A Good Idea, But Takes Away The Fun, Also If Corvette Doesnt Have It, Or Ferrari, It Might Not Be A Great Idea. The Only Car That I Know Had It Was The 8 Series Bimmer, And This Was Only Available On The Car Was Suppose To Be Ahead Of Its Time. And That Was A 90000 Dollar Car In The 80's So Do The Math.

But If You Got It Enjoy It.
I have RAS on my '06 and have a couple of observations:
1) I'm always surprised how hostile people are towards the system, especially when most have yet to drive a coupe (06 - 08), or (07+) sedan, with RAS. I think this comes from the same mentality as the clutchless manual (e.g. Audi's DSG system); people don't like to believe something - like steering, or shifting - can be done better than they can do it themselves.

2) I drove the RAS and non-RAS back to back. The RAS seemed to have sharper steering and was more stable. If people want to balk at my decision, kudos - this world would be really boring if we all liked the same thing. However, I don't lose anything in the "fun to drive" category, and, unlike many who want to live on the edge when driving, the car seems much more stable on twisties.

That said, the downsides I see to the system are two-fold:
1) The system can give an "unnatural" pushing feeling - Car & Driver called it "spooky" on the HICAS system in the 300ZX, and said the car could do wonderful things, but you had to have faith in the technology. I think the sensation is more muted than the original HICAS, but the sensation is there nonetheless.

2) I don't want to be the guy who owns this car out of warranty when the RAS system fails. The car will steer normally, but it'll be damn expsensive to repair.

As far as "getting it right": For me, RAS works wonders and I'm glad I have it. And, in the Motor Trend comparison of the BMW vs. the '08 G-coupe they attributed the BMW like handling to the RAS (albiet a very subjective measure)... so I think Infiniti also must have faith in this sytem.

At the end of the day, RAS would not sway me into, or out of, the G... it's just something that adds to it for me.
 
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Old Sep 11, 2007 | 12:45 PM
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Didn't the later Honda Preludes have the same thing? Prelude SH (super handling, they called it.)
 
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Old Sep 11, 2007 | 10:58 PM
  #29  
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Production cars with active four wheel steering
Efini MS-9 (high and low speed)
GMC Sierra (2002) (high and low speed)
Honda Prelude (high and low speed, fully mechanical from 1988 to 1990)
Honda Accord (1991) (high and low speed, mechanical)
Infiniti G35 Sedan (option on Sport models) (2007-Present) (high speed only?)
Infiniti G35 Coupe (option on Sport models) (2006-Present) (high speed only) [1]
Infiniti M35 (option on Sport models) (2006-Present) (high speed only?)
Infiniti M45 (option on Sport models) (2006-Present) (high speed only?)
Infiniti Q45t (1989-1994) (high speed only?)
Mazda 626 (1988) (high and low speed)
Mazda MX-6 (1989-1997) (high and low speed)
Mitsubishi Galant/Sigma (high speed only)
Mitsubishi GTO (also sold as the Mitsubishi 3000GT and the Dodge Stealth) (high speed only)
Nissan Cefiro (A31) (high speed only)
Nissan 240SX/Silvia (option on SE models) (high speed only)
Nissan 300ZX (all Twin-Turbo Z32 models) (high speed only)
Nissan Laurel (later versions) (high speed only)
Nissan Fuga/Infiniti M (high speed only)
Nissan Silvia (option on all S13 models) (high speed only)
Nissan Skyline GTS, GTS-R, GTS-X (1986) (high speed only)
Nissan Skyline GT-R (high speed only)
Toyota Aristo (1997) (high and low speed?)
Toyota Celica (option on 5th and 6th generation, 1990-1995) (high and low speed)
 
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Old Sep 12, 2007 | 10:08 PM
  #30  
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Brakes

Originally Posted by vice_versa
Drive a car w/o one you can feel the difference. Basically at higer speed, when you do a lane change or take a tight corner, the rear wheel is turned a couple of degrees by a motor to assist you in the smooth turning.

Check out the video here.
http://www.nissan-global.com/EN/TECH...WAS/index.html



See how unstable the car w/o RAS look at fast lane changes.

Watch the video for a better explanation.

That video is nice but look at the over correction in the first video "without the active steer". I dont doubt it helps some but its obviously a professional driver for nissan that can whip it out or smooth out any high speed manuever for them.

I didnt know the G would morph into those GMC trucks that really turn the backwheels ( its crazy)
 
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