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Differential Upgrade?

V35DRIVER
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scathing Grand Master

scathing

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I just installed a Tomei Technical Trax 2-Way with a 3.9:1 final drive.

I like the final drive. I'm not so sure about the high yaw clunking of the LSD itself, since my goal with the car was a streetable car that could be tracked.

I'd really like a Quaife, but it's well out of my price range.

V35DRIVER Enthusiast

V35DRIVER

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is your car auto or manual?

Mine is auto..... most people would tell not to bother... but i want exactly what you are after a streetable car that i can also take on the track....

Apart from the clunking... did you get the extra downforce power?

Edited by V35DRIVER
scathing Grand Master

scathing

Posted
Posted (edited)

Manual.

The rest of my car works for my goal. The only change I make for track days are the rims/tyres. Its not too noisy, its not crazy stiff, I've got a stock interior, the pads don't need heat to work.

As for the LSD, I haven't noticed much of a difference yet as I've not really opened the car up. When the rear breaks away its lost a lot of its progressiveness. It gets a lot more sideways a lot quicker, which was a bit interesting the first time it happened.

When I gave the throttle a prod around a roundabout in the wet on Tuesday it didn't break traction where it would have with the OEM VLSD.

I'll give it a couple of months of street driving, and at least 1-2 track days, before I make a final decision on whether I like it or not.

Edited by scathing
V35DRIVER Enthusiast

V35DRIVER

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Thanks for that info...

I think before i go the LSD i am going to go the cheaper option and get set of Selby's sway bars for extra downforce...

The guys down there (superior suspensions) say they have created a system which really makes a difference to the handling of the car......

When your heading out to the track next, let us know....it might be good to get a few vq35's going round...

scathing Grand Master

scathing

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Posted

Sway bars are the single best handling upgrade for the car. I'm not sure about the V35, but on the Z33 the ride/handling compromise for the coilovers is almost spot on for a daily driver that only occasionally gets tracked once you do the bars.

Does your car come with the VLSD? If so, there's plenty to do before you upgrade it. Honestly, I didn't really need a new diff as the old one was still holding up OK. If I tried to slide, both wheels would light up. It was only around the tightest of hairpins that it would single peel.

My next definite track day is Circuit Club's 5th Year Anniversary track day at Wakefield - but it will probably be really busy.

V35DRIVER Enthusiast

V35DRIVER

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Sway bars are the single best handling upgrade for the car. I'm not sure about the V35, but on the Z33 the ride/handling compromise for the coilovers is almost spot on for a daily driver that only occasionally gets tracked once you do the bars.

Does your car come with the VLSD? If so, there's plenty to do before you upgrade it. Honestly, I didn't really need a new diff as the old one was still holding up OK. If I tried to slide, both wheels would light up. It was only around the tightest of hairpins that it would single peel.

My next definite track day is Circuit Club's 5th Year Anniversary track day at Wakefield - but it will probably be really busy.

yeah it comes with the VLSD... im going to do the sway bars within the next few weeks... just got to get a spare moment.. im always on the go... ive also finally located a full manual 6speed box out of a Z... so also thinking about putting that into my V35... but before i do that - i want to test drive a 6speed v35 ...and see the difference.... if its major im doing it... if not then i will just leave it...

scathing Grand Master

scathing

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Posted

The auto is a 5 speed, right? That means you'll be running a 3.2:1 final drive. If you do a gearbox swap without changing the diff ratio, you still won't see the acceleration of your manual brethren.

I always thought that if I was to go FI I'd run that 3.2:1 FD, but so far I haven't seen too many turbo owners in Australia looking at doing a swap. The only guys I've seen even consider it are in the States, making big power with built engines.

  • 3 months later...
GT350 Enthusiast

GT350

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Posted
Hi Guys sorry to bring up the Old threads.

Does the CPV35 Premium Auto comes with LSD? Some people said no but some people said it does come with VLSD. Kinda confused here. Mine is 2003.

cheers

Yer, I've brought this up before on this forum, I have an 03 prem auto coupe also, the story is all 5 speed autos are ''NOT'' fitted with VLSD's, anyone who has got it must be fitted with an after market Diff! Just jack the rear end up and turn the hoop's to find out. Forgot to mention also, all auto 5/AT 350z's ''ARE'' fitted with VLSD's as STD were the V35's are not, bit strange when both run the same drive train and the same design platform, maybe Nissan has some reason for it, anyone else got some answers.
scathing Grand Master

scathing

Posted
Posted
Just jack the rear end up and turn the hoop's to find out.

Does this trick work with VLSDs? I just figured the fluid was so slow to react that a hand-turned wheel couldn't make it harden.

I never tried it with the stock VLSD so I wouldn't know.

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