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The Essence of Z-ness: Hiroshi Tamura, Chief Product Specialist of the Z Proto
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Since 1969, the venerable Fairlady Z has enthralled sports cars enthusiasts the world over. While there have been many iterations of the model through the years, it has constantly maintained its identity as the archetypal Japanese sports car. So, what is the secret to its success? What has made this model so special over the years?

To find out, we looked within, asking Nissan employees what they thought were the qualities that defined the Z, what “Z-ness” meant to them.

Kicking off the series of exploration is Hiroshi Tamura, the Chief Product Specialist (CPS) of the Z Proto and next Z. After graduating from university, he joined Nissan in April 1984, where he spent his early years as an engineer, along with stints at Autech Japan and Nissan Prince Kanagawa sales branches. In February 2006, he received his first CPS assignment—with the Product Planning Department—and in April 2012, he became the CPS of the GT-R and the 370Z, taking on the challenge to not only meet, but exceed fan expectations with both legendary models.

Q: Thank you for sharing a moment with us in this very busy time for you. We would like to begin with the basic question of “What is Z-ness?”

Tamura: “Z-ness” to me is the spirit of Nissan. It’s how the car connects to the driver—to the driver’s mind, body and soul—providing the ultimate driving pleasure. It’s where the driver meets machine, resulting in an authentic “oneness” or “bond” between the driver and car. The Z expresses a striking attitude that first attracts you and then entices you to want a lasting relationship. This is truly unique to Z.

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Q: When you say “mind, body and soul,” can you expand on how the Z uniquely makes such a connection?

Tamura: Many cars possess good dynamic performance, but the Z makes it easy to enjoy this performance because it creates an emotional relationship with the driver. Like a perfectly suited dance partner, the Z responds to the driver’s impulses as an unspoken connection that is deeply felt.

Also, Z-ness is about enjoying and celebrating life in your own way, whether you’re the type that prefers driving solo on a challenging road or being part of a global community of Z enthusiasts, or “Zenthusiasts”.

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Q: What is the Z’s role in the Nissan lineup?

Tamura: As mentioned, Z is the spirit of Nissan, and is especially important now as Nissan is going through its Nissan NEXT transformation. The Z injects excitement into every product in the lineup, which in turn, excites all of us who are associated with the company, including the customers, employees and fans. It’s a car that people know and remember. The Z has a fundamental balance of power and design that’s instantly recognizable as a Nissan, and it’s within reach of many potential buyers, which is very important. It’s a dream car that can be enjoyed by many.

The Z has driven our passion to innovate and challenge the norms through the generations. “Passion, innovation, challenge:” These three words define the Z and remain vital to the company’s DNA, making the Z a strong influence in the culture and personality of Nissan.

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Q: Why do you think the Z has had such a strong fan base, going strong for 50-plus years?

Tamura: The Z is timeless, thanks to its style and accessibility. Millions of people share a special connection with the car. Ask your friends or family about the Z, and you get smiles and very positive answers. That is what keeps the Z spirit alive, and it is only getting stronger.

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Q: Is that your approach in engineering the new Z?

Tamura: My job, as the Chief Product Specialist, is to be the voice of the customer. Introducing a new Z is a challenging job for the whole team because so many people love the Z for different reasons, such as its appearance, performance, and even positive memories they may have had with the past generations of Z. We must consider the customer’s wants and their happiness first. But it helps that I have loved Z cars since the very beginning, and I have owned them over the years. I know what the Z means to me, so I know what it means to the customer. My intent for the Z has always been to provide a balance between style, power and technology, all of which can be easily accessed by the customer. The Z must move right, look right and be something that produces a smile on the customer’s face.

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Q: What is your history with the Z? Are there any standout memories or experiences?

Tamura: I’ve been a Nissan petrol-head since I was a kid. I was a fan of two main cars in my youth—the GT-R and the Z—and it was then (that) I wanted to be a part of the future of Nissan and its sports cars. I remember the GT-R’s power and racing performance, and I remember the beautiful look of the Fairlady Z; these cars changed my life. I have so many happy memories owning and driving the Z and GT-R, and to think that I’m now responsible in creating them leaves me speechless. I will have to write a book about it some day!

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Q: You mentioned owning a Z. Which model?

Tamura: The first was the 240ZG “G-nose,” which I bought secondhand and, of course, instantly began tuning in pursuit of its “ultimate performance,” something I still do today. I loved the 240ZG’s appearance, which looked to me like a Shinkansen (bullet train). It had a very sleek aerodynamic body with a shape that sliced the air. It surprised me that a Japanese car company could create such a design, something with a low and wide stance, a long nose, a short rear deck and aggressive bolted over-fenders.

The other Z in my garage was a turbocharged Z31 that I also tuned. The tuning scene was big then and many aftermarket parts were affordable. I learned how to tune my cars through lots of trial and error, learning to pay attention to the details, such as the cooling system, the brake system, and much more. Some lessons I learned the hard way, but in the end, it turned out to be a very nice car.

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Q: What are you looking forward to most about the next Z?

Tamura: I want people to drive the next Z and feel like they have discovered a new dance partner. I want customers to smile and enjoy the car, while continuing to spread the Z dream. The next Z will be a car that will keep Nissan’s sports-car spirit alive, and I hope it will help create new, happy memories for the Nissan family, car lovers, and Zenthusiasts everywhere!
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johnny_10196

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Part 1



Thanks Patrick Tim Woo for this translation.

Important takeaways:

- Modern street tires can mathematically put 150hp to the road each without breaking traction. Therefore the GTR was sold with 600hp (150x4). But to put 400hp through 2 wheels, that's exceeding the adhesion limit of 2 wheels by a good 100hp. Therefore the VDC tuning here is specifically tuned to make u feel good about it and it's programmed to make you think you did all that driving yourself, no matter how hamfisted you are. Gone is the very intrusive power cut off but in will be the progressive, slightly playful safety leash to reel back the situation if it sees it.

- Cooling deficiencies of the existing 370z is taken into serious consideration with its front ventilation design. The massive grille is supposed to be 200% size of the old, housing all sorts of coolers inside. Even the rear differential has some localized dodats to cool the differential better than the outgoing model (although it's the same diff architecture).

- Unfortunately due to UN requirement (united nations, yes those bastards), the car cannot make all the noise they wanted it to make outside, so fake sound is gonna come through the speakers (boo)

- Z is not going to be an all out racing machine. The team behind the Z is the team behind the GTR, but the GTR has to have some GT and some Racing. The Z is more GT than racing. Even with the cooling upgrades he does not think this is the car for someone who frequents the race track. Couple slides and drift around here and there sure, but it is not designed as an all out time attack machine.

- Trunk size was again designed to swallow up 2 golf bags, (even tho the project lead Tamura said himself, "I don't golf, you know") they made it that way so the car could in theory drive 2 people to golf course with their irons. This is what's deemed sufficient for 2 adults on a weekend getaway, as American would like their supersize everything . Nissan themselves would like to make it even smaller, had it not been for this requirement.

- There is misconception that the car is a retro modern S30z, but they think anyone who owned any gen Z prior, should find this shape nostalgic and unmistakeably Z.
 

johnny_10196

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UPDATED WITH PART 2 by @memelord

Part 2



- Still Z34 chassis code but 70-80% new parts

- After figuring out if they should make it Z35 or not, they considered the costs and decided to throw more money where the customers would appreciate.

- 370Z ABS issue has been fully revised to avoid the freezing effect from the 370z when understeering.

- Head honcho figured the R32-4 period skyline GT-R kinda "turn up the boost and go faster" is fun.

- He likes to think the theme behind Z and GTR be "beauty and the beast". Z looks good, responds well to driver as a "dance partner", but the GTR is the beast, go fast first, response and driving involvement later.

- Z is supposed to give you a lot of margin for error, everything has a big window to respond to. Where you get the correct feedback and information to play with, it doesn't break away suddenly and so you can play to your own tempo with this chassis.

- It's the same powertrain as the 400R or the Q50 RS but it is specifically tuned with an additional recirculating valve to avoid the turbo slow down between shifts and over throttle closures. This is very much something that's introduced with the manual transmission to this engine package.

- Suspension is tuned for street and occasional drifts but it's not really geared to go fast (head honcho said it himself) at an engineering standpoint it's not as well tuned for lap times as Nissan could do. (I'd think that's Nismo's home turf)

- New transmission has a Magnesium housing (?) To shoulder the torque while keeping the 9 speed transmission weighing the same as a 7 speed form before.

- Head honcho looked at the camera and said "if you tune it, it's your responsibility, ok? "

- "it's pretty heavy, why?" "The engine alone is 100kg heavier than the VQ37HR, ya know?"

- with that in mind, Nissan chassis tuning is made to be as mild as possible even with very wide tires. That's the Nissan way. More people have more fun that way. (If people reviewing it say it's not as sharp as an s2000 civic type R, Porsche 718 or whatever, know that it's on purpose)

- DAS steer by wire is not to go onto the car in any way. The DAS was a standard equipment in Japanese skyline (Q50) meant for Japanese consumption because the starter occupied the space where a right hand drive steering shaft would go where the starter would go. They made a convoluted linkage system to connect the steering wheel back to the steering rack. This was very much an engineering requirement because they wanted a mechanical connection between the wheel and the other one in front of you.
 

jdm-rhd

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wow...well since it doesn't sound like it was built to track, i wonder how many will not even buy the z since that is what they had planned for it. there were even those who were hoping to daily it and run autocross on the weekends.

@trackratZ may be happy he went with something else. this new info might push others towards the gr86/brz twins...
 

Haste

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I'll still get one, but my dream of having an ultimate time attack machine in the form of a stock Z to conquer the nation's circuits is officially dead. Guess I'll just go play golf instead ?
 

bboypuertoroc

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That golf bag requirement is so fucking stupid. I don't play golf, and none of my Z friends from my 350Z days played either. I never see Zs at golf courses, don't hear owners talking about golf, nothing.

A lot of cars you see on track aren't designed to be track cars yet they do just fine. I wouldn't be terribly worried about that, especially when they literally built a Z racecar to replace their GT-R.
 

280driver

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wow...well since it doesn't sound like it was built to track, i wonder how many will not even buy the z since that is what they had planned for it. there were even those who were hoping to daily it and run autocross on the weekends.

@trackratZ may be happy he went with something else. this new info might push others towards the gr86/brz twins...
This is not really surprising given they still need to sell the GTR. They will alway market the GTR is the more race focused vehicle. It should be given its huge price increase over the Z. Having said that, I think the fact the new Z is Nissans GT500 car says a lot too. Maybe the Z is no GTR but I think it’s going to prove to be a much better track car than the current 370.
 

trackratZ

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Maybe the Z is no GTR but I think it’s going to prove to be a much better track car than the current 370.
I sure hope so, haven’t been proven anywhere so far. I get the twin turbo is 50 hp more than the outgoing Nismo but that’s not that much really.

The GT-R being out of reach $$ and performance-wise really is no competition to the Z. Nissan could still make the Z a great performer at its price point. Maybe the Nismo will be more track worthy ?
 

indio22

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That golf bag requirement is so fucking stupid. I don't play golf, and none of my Z friends from my 350Z days played either. I never see Zs at golf courses, don't hear owners talking about golf, nothing.

A lot of cars you see on track aren't designed to be track cars yet they do just fine. I wouldn't be terribly worried about that, especially when they literally built a Z racecar to replace their GT-R.
Not a golfer either. But reality for me, having decent cargo space would be nice, and open up the opportunities to use the Z. For going on vacation (packing light), getting groceries or whatever. My BRZ is workable for that stuff, with two occupants and having the trunk/back seat. Been able to go on fishing and cross country camping trips. Maybe Nissan should use the sleeping bag/cooler test, rather than golf bag test. :)
 

West Aussie

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wow...well since it doesn't sound like it was built to track, i wonder how many will not even buy the z since that is what they had planned for it. there were even those who were hoping to daily it and run autocross on the weekends.

@trackratZ may be happy he went with something else. this new info might push others towards the gr86/brz twins...
I doubt even ten percent of buyers intend to tack it to the track
 
 





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