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Old 05-17-2022, 05:26 PM   #323
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So......

I have to say that this video is beginning to change my mind a bit. The rear 3/4 views are great. I love the interior, although maybe a little over the top on the color coordination.

And when they show the front 3/4 view at actual people height, its ALMOST OK. Still the grill is too tall and the bottom corners are too much plastic.

I think if they managed to design so that front grill was either the top or bottom half and then extended to the ends, I would have liked it better.

The detailed mechanical overview in this video provided great detail without the hype.

Very well done.
Have zero issues with the shape or size of the grill in fact I rather like it. It is just those huge open blank spaces on either side begging to have something in them. It is like they saw the gapping maws of the new twins and said "OH HELL NO JUST LEAVE THEM EMPTY"
No doubt the aftermarket will come up with some fogs or vents or at least trim to fill them in.

What I am overjoyed to see is that they reduced the size, flush mounted and used the body colour on the door handles. Those were one of the things that put me off buying back when I was shopping around. Door handles should not be the first thing that draws your eye.
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Old 05-17-2022, 05:47 PM   #324
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Not sure how accurate their observations were, but assuming it's true, I really liked that they've mentioned stability during sliding at 30:36, this is something a lot of modern cars lack of and being overly twitchy in drifting, while the new Z is very stable in drifting and easily maintains angle. Looks like this Nissan's feature carried over to the new Z, which is great. Another very good point they mentioned is a very good front end grip, they even said that it's better than on Supra. Again, not sure how true that is, but from looking at the video, it's quite believable. Of course I'd love to test it myself.
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Old 05-17-2022, 08:38 PM   #325
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Have zero issues with the shape or size of the grill in fact I rather like it. It is just those huge open blank spaces on either side begging to have something in them. .
Maybe that's it, the corners aren't balanced with the grill opening. Still, no other Z has needed anywhere near that size, and the middle third is the bumper guard so doesn't function as a grill anyway.

I agree with you on the handles though. I saw a high end car this weekend that had bright chrome on the door handles and that was all you could see. The days of chrome have passed us by I believe.
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Old 05-17-2022, 08:47 PM   #326
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Maybe that's it, the corners aren't balanced with the grill opening. Still, no other Z has needed anywhere near that size, and the middle third is the bumper guard so doesn't function as a grill anyway.

I agree with you on the handles though. I saw a high end car this weekend that had bright chrome on the door handles and that was all you could see. The days of chrome have passed us by I believe.
The chrome, size and high location all add up to "LOOK AT ME I OPEN THE DOORS"

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Old 05-17-2022, 10:48 PM   #327
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Nissan Z Hoonage

https://www.nissanzclub.com/forum/th...es-skids.1166/

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Old 05-17-2022, 11:35 PM   #328
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So they went from viscous to haldex? Even though its stated in every publication to be "mechanical"?
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Where's the info about the haldex diff? I checked out couple of sources and they say the new Z will have clutch type diff.

Nissan's viscous diffs are not great, for sure. And yeah, active might be better compared to the viscous type.

But still, nothing beats proper mechanical (as in clutch or helical) diff.
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When OEMs say clutch diff, they mean an active diff with an actuated clutch pack. No manufacturer will put an aftermarket style clutch LSD in a factory road car.
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Well, if the clutch pack is actuated by a solenoid and in the end the diff locks properly - who cares if it's not 100 mechanical?
And if it's not good, just throw it out, buy Cuso, Kaaz, OS Giken, etc diff and enjoy.
What the Savagegeese video at 19:55. They say they went to a clutch type diff aka Haldex. They say why too, and it was because the old viscous diff would overheat and go open.

Pretty sure the "Active" part of the Supra and M diff isn't just that it is a Haldex system, but that they use multiple vehicle sensor imputs to activate the LSD before traction is ever lost. It entirely possible the Nissan uses an active diff too, but I haven't seen anything, and I am sure Savagegeese would have said something more if they did. Their technical breakdowns are pretty detailed.

https://www.carbibles.com/2023-nissa...od-brakes/?amp
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Old 05-18-2022, 12:31 AM   #329
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... Another very good point they mentioned is a very good front end grip, they even said that it's better than on Supra. Again, not sure how true that is, but from looking at the video, it's quite believable. Of course I'd love to test it myself.

Well yeah, the GR Supra has a horrible factory alignment. Mismatched camber and toe is very common to be found on them off the boat.



I'm pretty sure a day-one tech at GoodYear could do better.


Add in the active diff's occasional weirdness, staggered tires and bump steer issues early adopter encountered, and your up for a white knuckle track day and one twitchy rear!



A real easy fix but, an eye opener comming out of an 86.
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Old 05-18-2022, 12:55 AM   #330
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https://www.nissanzclub.com/forum/th...e-review.1146/

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Old 05-18-2022, 01:17 AM   #331
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Pretty sure the "Active" part of the Supra and M diff isn't just that it is a Haldex system, but that they use multiple vehicle sensor imputs to activate the LSD before traction is ever lost.
Thanks, but no thanks. Don't want that electronic sensor crap anywhere near my car.
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Old 05-18-2022, 08:33 AM   #332
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Thanks, but no thanks. Don't want that electronic sensor crap anywhere near my car.
Unfortunately there will always be electronic sensor crap with a Haldex system. The difference is whether it engages after traction is already lost (using less sensors and less algorithms) or it engages before traction is lost (using more sensors and more algorithms) aka active. Active diffs and torque vectoring diffs will out perform a basic haldex diff. They probably feel better than a basic diff that tries to use individual wheel braking or anything else to control vectoring or whatever using the ESC system.
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Old 05-18-2022, 08:42 AM   #333
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IMO they should have gone for a helical diff like the twins. Itís the perfect compromise for a street car. Itís simple, you get predictable lockup, and thereís no clutch packs to wear out, special friction modifiers needed or electronics to go wrong.
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Old 05-18-2022, 09:01 AM   #334
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IMO helical diffs aren't the best. They tend to be overly locked under light load, but will open up if one of the rears is sufficiently unloaded. I've found a light-preload clutch-type with ramps that progressively lock more with more applied torque to be both less intrusive on the street and to provide more consistent lockup during hard cornering over curbs at the track.

The worn T2R in my LS3 FD would go through lock/unlock/lock cycles trying to put power down at corner exits at the track, very unnerving... Replaced it with an OSGiken ramp/clutch and it was a world of difference!
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Old 05-18-2022, 11:02 AM   #335
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Quote:
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IMO helical diffs aren't the best. They tend to be overly locked under light load, but will open up if one of the rears is sufficiently unloaded. I've found a light-preload clutch-type with ramps that progressively lock more with more applied torque to be both less intrusive on the street and to provide more consistent lockup during hard cornering over curbs at the track.

The worn T2R in my LS3 FD would go through lock/unlock/lock cycles trying to put power down at corner exits at the track, very unnerving... Replaced it with an OSGiken ramp/clutch and it was a world of difference!

To be fair, I didnít say they were the best. I said they were in my opinion the perfect compromise for a streetcar. No manufacturer would put a clutch type diff in a factory car because normal people would crash.
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Old 05-18-2022, 11:48 AM   #336
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To be fair, I didn’t say they were the best. I said they were in my opinion the perfect compromise for a streetcar. No manufacturer would put a clutch type diff in a factory car because normal people would crash.
???
In my experience a mild-preload clutch-type acts a lot more linearly and with less cycling between full-lock/full-open behavior vs. helicals. Helical in my S2000 and in my BRZ act fully locked under very low speed parking maneuvering with a lot of steering angle, then would radically go from 100% to 0% during such maneuvers when one of the rears unloaded as when pulling into a ramped drive. Clutch types I've run would be seamless and operate unobtrusively in the same situation.

There's nothing about the operation of a minimal-preload clutch-type that should cause anyone to crash. If anything I've found them to act more consistently at the limit vs. helical.

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