Base Z - Regrets?

Z-WHIZ · 06-25-2009, 06:05 PM

Hey guys, I recently purchased a base 370 and I love it so far. However, the one thing I miss from my old 350 is the LSD. I would love to swap an LSD in, but I know it will void the warranty. So I've been contemplating trading up for an LSD equipped model, but I know I would lose my shirt in such a deal.

Does anyone have advice on this or is in a similar situation?

Thanks

zman1910 · 06-25-2009, 06:32 PM

Any particular reason your looking for an LSD? Do you track your car? Just curious bc I've owned 2 350's. One with and one without an LSD and I could never tell the difference with my driving style.

Your better off getting a clutch type LSD installed for track purposes anyhow. The VLSD, which comes on the Z, is crap from what I've read.

510z · 06-25-2009, 06:47 PM

I think the sports package is pretty much a must have.

370Z Purist · 06-25-2009, 07:06 PM

Quote:

Originally Posted by zman1910

Any particular reason your looking for an LSD? Do you track your car? Just curious bc I've owned 2 350's. One with and one without an LSD and I could never tell the difference with my driving style.

Your better off getting a clutch type LSD installed for track purposes anyhow. The VLSD, which comes on the Z, is crap from what I've read.

In general, VLSDs are only for comfort or road speed (as in oh, it's nice) purposes. It's a Torsen diff, which basically means it sucks... bad... if you really wanted to install a good diff and if you wanted to track often, you should get a Quaife clutch type, which is basically the god of diffs. It shouldn't void your entire warranty though. You may want to talk it up with your dealer.

In any case, if you just plan to use it as a daily driver, whether or not your have the differential installed will only show if you took a 90 degree turn at something like 40 mph. Then you'll feel the rear give out a bit since I think if you don't get the VLSD, it's probably just an open 2 way.

sensi09 · 06-25-2009, 07:30 PM

Quote:

Originally Posted by 370Z Purist

In general, VLSDs are only for comfort or road speed (as in oh, it's nice) purposes. It's a Torsen diff, which basically means it sucks... bad... if you really wanted to install a good diff and if you wanted to track often, you should get a Quaife clutch type, which is basically the god of diffs. It shouldn't void your entire warranty though. You may want to talk it up with your dealer.

In any case, if you just plan to use it as a daily driver, whether or not your have the differential installed will only show if you took a 90 degree turn at something like 40 mph. Then you'll feel the rear give out a bit since I think if you don't get the VLSD, it's probably just an open 2 way.

The VLSD, is a viscous LSD, not torsen.

Quaife is not a clutch type LSD, but rather a gear type LSD. Torsen and quaife are both gear type LSDs.

Articles: What's the Diff?: Grassroots Motorsports Magazine

370Z Purist · 06-25-2009, 07:40 PM

Quote:

Originally Posted by sensi09

The VLSD, is a viscous LSD, not torsen.

Quaife is not a clutch type LSD, but rather a gear type LSD. Torsen and quaife are both gear type LSDs.

Articles: What's the Diff?: Grassroots Motorsports Magazine

Someone told me the VLSD in the 370Z was a Torsen produced one... well, that's completely wrong.

Who has clutch types? Maybe OS Giken or Kaaz?

cdawg410 · 06-25-2009, 07:46 PM

I had a fully loaded touring on my 350 and it was nice. I bought a 370 base when I traded in my 350 and in all honesty: my wife and I enjoy the cloth seats more than the leather, I don't worry about wearing out the outter edges of the leather seats, DC winters aren't so harsh so I'm not gonna miss seat warmers, as nice as the Bose system was, I certainly prefer a real premium system with high end door speakers, JBL sub, amp and double din head unit with back-up camera. VLSD I guess is nice, and as much as I consider myself a hardcore driver, the fact of the matter is, the most hardcore driving I'll do is driving down to Charlottesville on the winding backroads. I've never attended driving school, I don't race, I feel like a good driver, I've been told by those who can really drive that I'm a good driver, but when it comes down to it, who am I kidding. I'm no Cole Trickle. The Rays and bigger brakes woulda been nice but I wanted a Bubba Gump lip on my 350 but couldn't justify it and now I can get 'em cause I have "measly 18's". Sport package still needs an exhaust and intake and the synchro to me means that the years I spend burning out the clutch on my '96 Integra was in vein cause no there is no need for heal n toe. I think that the only mistake that can be made in buying a 370 is getting it in an automatic, there is no excuse for that!!!!

jmlenz · 06-25-2009, 07:52 PM

^^^ yes what sensi09 said.

370 Purist - VLSD is NOT the same as a Torsen LSD. The 370 has a VLSD, not a Torsen. A Torsen LSD is generally considered one of the more desirable diffs ala S2000

-and yes both OS Giken and Kaaz use adjustable clutch type diffs

FricFrac · 06-25-2009, 08:59 PM

Quote:

Originally Posted by 510z

I think the sports package is pretty much a must have.

Agreed - its hard to imagine why you'd want a sports car with out the sports.... weird. If it was for cost I'd hold off and save up - the difference in price overall is fairly small.

CBRich · 06-25-2009, 09:44 PM

Honestly if you plan to track the car you'd be upgrading every component the sport package comes with. The LSD would get swapped, the brakes would be upgraded, and SRM isn't a must have. The sport package is nice but not necessary at all.

ChrisSlicks · 06-25-2009, 09:50 PM

Quote:

Originally Posted by Z-WHIZ

Hey guys, I recently purchased a base 370 and I love it so far. However, the one thing I miss from my old 350 is the LSD. I would love to swap an LSD in, but I know it will void the warranty. So I've been contemplating trading up for an LSD equipped model, but I know I would lose my shirt in such a deal.

I don't see how it would void your warranty at all, aside from the diff itself. Just go with a mechanical differential like what Mike @ DDM just installed and it will be 100 times better than the viscous one in the sport package anyway. Might not want the aggressive ratio that Mike used, but there are other ratio options. You also might be able to get someone's viscous unit fairly cheaply if they are upgrading and haven't toasted it yet.

355890 · 06-25-2009, 10:39 PM

Quote:

Originally Posted by CBRich

Honestly if you plan to track the car you'd be upgrading every component the sport package comes with. The LSD would get swapped, the brakes would be upgraded, and SRM isn't a must have. The sport package is nice but not necessary at all.

Disagree. Better wheels, more rubber on the ground, bigger brakes....what's not necessary about that. It's a sports car, it needs all these attributes and more really.

Sure you can spend another $8,000 on a set of new rims and tires, for what ?? That's not necessary.

Brembo brakes - another $4,000 That's questionable.

Change out the LSD - a couple of thousand with labour.

Well while I'm in there might as well get a better clutch - $4,000

Exhaust, DP, Remap - $ 3,000

You can try and void your warranty many times over as you try and rebuild the car. That's really not necessary.

It's a great car, no complaints, SPORT is a MUST.

You know I have to laugh as I write this. Some guys get fully loaded Z's spend another $20,000 + re-outfitting the vehicle, just to put them in the ball park of a Porsche. BUY A PORSCHE...

Oh ! how much I would love to have a Cayman S maybe even a new Boxster.

Oh well, to each his own.

Cheers,

CBRich · 06-26-2009, 12:36 AM

You're obviously not into modifying your car and that is your choice. But for those of us who are all of the components of the sport package will quickly be replaced with more capable hardware rendering it completely useless.

travisjb · 06-26-2009, 12:41 AM

yes, to each his own... this 370z when set up for the track will cost less than a cayman and be faster and IMO more fun to drive... I'm pretty confident in this assessment - my last car was a Boxster S that I tracked at least 1/month and I've already had my Z on the track with loads of P-cars... both great platforms, but z is a better value

OP, I have a carbonetic LSD installed and so far I couldn't be happier... it has carbon plates that result in very progressive engagement so it is more predictable and controllable IMO vs some of the other more aggressive diffs... as mentioned above, Mike at DDM is selling... might also check with Sharif at Forged Performance... good luck!

tbonesteak · 06-26-2009, 02:14 AM

Ok. Everyone seems to be confused about the different LSDs. Here is a VERY quick LSD 101. Viscous is speed sensing. Torsen is torque sensing. Hence the compound word Tor-sen. Torsen like stated above is the more desirable unit out of the two. Reason being that viscous won't do anything until the wheel actually slips and creates a difference in the speed of the wheels - hence the term "speed sensing". Torsen because it is once again a torque sensing unit, it is able to transfer power before the slippage actually occurs. Torsen unit is designed to last the life of the car. VLSD that comes in the 370 is an ok unit for a street driver but for track purposes will not be sufficient. Then we can talk about 1, 1.5, 2 way units but that's for later. Hope this helps atleast a litto bit.

06-25-2009, 06:05 PM	#1 (permalink)
Z-WHIZ Base Member Join Date: Jun 2009 Location: Philly Posts: 115 Drives: 370 Base Rep Power: 16	Base Z - Regrets? Hey guys, I recently purchased a base 370 and I love it so far. However, the one thing I miss from my old 350 is the LSD. I would love to swap an LSD in, but I know it will void the warranty. So I've been contemplating trading up for an LSD equipped model, but I know I would lose my shirt in such a deal. Does anyone have advice on this or is in a similar situation? Thanks

06-26-2009, 12:41 AM	#14 (permalink)
travisjb A True Z Fanatic Join Date: Jan 2009 Location: GSO Posts: 2,803 Drives: VIR Rep Power: 188	yes, to each his own... this 370z when set up for the track will cost less than a cayman and be faster and IMO more fun to drive... I'm pretty confident in this assessment - my last car was a Boxster S that I tracked at least 1/month and I've already had my Z on the track with loads of P-cars... both great platforms, but z is a better value OP, I have a carbonetic LSD installed and so far I couldn't be happier... it has carbon plates that result in very progressive engagement so it is more predictable and controllable IMO vs some of the other more aggressive diffs... as mentioned above, Mike at DDM is selling... might also check with Sharif at Forged Performance... good luck! __________________ 2009 370Z #104 For Sale

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06-25-2009, 06:32 PM	#2 (permalink)
zman1910 Enthusiast Member Join Date: Nov 2008 Location: FL Posts: 361 Drives: 2011 Audi S4 Rep Power: 429	Any particular reason your looking for an LSD? Do you track your car? Just curious bc I've owned 2 350's. One with and one without an LSD and I could never tell the difference with my driving style. Your better off getting a clutch type LSD installed for track purposes anyhow. The VLSD, which comes on the Z, is crap from what I've read.

06-25-2009, 06:47 PM	#3 (permalink)
510z Enthusiast Member Join Date: Mar 2009 Location: Phoenix Posts: 328 Drives: 09 370z Blue M6 Rep Power: 16	I think the sports package is pretty much a must have.

06-25-2009, 07:46 PM	#7 (permalink)
cdawg410 Base Member Join Date: May 2009 Location: alexandria, va Posts: 238 Drives: 2009 370z Rep Power: 16	I had a fully loaded touring on my 350 and it was nice. I bought a 370 base when I traded in my 350 and in all honesty: my wife and I enjoy the cloth seats more than the leather, I don't worry about wearing out the outter edges of the leather seats, DC winters aren't so harsh so I'm not gonna miss seat warmers, as nice as the Bose system was, I certainly prefer a real premium system with high end door speakers, JBL sub, amp and double din head unit with back-up camera. VLSD I guess is nice, and as much as I consider myself a hardcore driver, the fact of the matter is, the most hardcore driving I'll do is driving down to Charlottesville on the winding backroads. I've never attended driving school, I don't race, I feel like a good driver, I've been told by those who can really drive that I'm a good driver, but when it comes down to it, who am I kidding. I'm no Cole Trickle. The Rays and bigger brakes woulda been nice but I wanted a Bubba Gump lip on my 350 but couldn't justify it and now I can get 'em cause I have "measly 18's". Sport package still needs an exhaust and intake and the synchro to me means that the years I spend burning out the clutch on my '96 Integra was in vein cause no there is no need for heal n toe. I think that the only mistake that can be made in buying a 370 is getting it in an automatic, there is no excuse for that!!!!

06-25-2009, 07:52 PM	#8 (permalink)
jmlenz Track Member Join Date: May 2009 Location: San Diego Posts: 645 Drives: a car Rep Power: 643	^^^ yes what sensi09 said. 370 Purist - VLSD is NOT the same as a Torsen LSD. The 370 has a VLSD, not a Torsen. A Torsen LSD is generally considered one of the more desirable diffs ala S2000 -and yes both OS Giken and Kaaz use adjustable clutch type diffs

06-25-2009, 09:44 PM	#10 (permalink)
CBRich A True Z Fanatic Join Date: Apr 2009 Location: SC Posts: 2,464 Drives: 370Z Rep Power: 544	Honestly if you plan to track the car you'd be upgrading every component the sport package comes with. The LSD would get swapped, the brakes would be upgraded, and SRM isn't a must have. The sport package is nice but not necessary at all.

06-26-2009, 12:36 AM	#13 (permalink)
CBRich A True Z Fanatic Join Date: Apr 2009 Location: SC Posts: 2,464 Drives: 370Z Rep Power: 544	You're obviously not into modifying your car and that is your choice. But for those of us who are all of the components of the sport package will quickly be replaced with more capable hardware rendering it completely useless.

06-26-2009, 02:14 AM	#15 (permalink)
tbonesteak Track Member Join Date: Mar 2009 Location: Socal Posts: 914 Drives: MY09 MB 6MT Rep Power: 375	Ok. Everyone seems to be confused about the different LSDs. Here is a VERY quick LSD 101. Viscous is speed sensing. Torsen is torque sensing. Hence the compound word Tor-sen. Torsen like stated above is the more desirable unit out of the two. Reason being that viscous won't do anything until the wheel actually slips and creates a difference in the speed of the wheels - hence the term "speed sensing". Torsen because it is once again a torque sensing unit, it is able to transfer power before the slippage actually occurs. Torsen unit is designed to last the life of the car. VLSD that comes in the 370 is an ok unit for a street driver but for track purposes will not be sufficient. Then we can talk about 1, 1.5, 2 way units but that's for later. Hope this helps atleast a litto bit.