Hey Hey Hey Another Stop At The Junkyard = Lsd

Out Of A 87 300zx Turbo!!!

Yay For Me!
$297... The Lady At The Desk Said I Can Use The $3 For Toll

 

Damnit! Why can't I find wrecked 300ZX turbos at my junkyards?!?

Anywho ... nice find! Pics of the install!!!

 

How does that diff match up to the normal L28's 5 speed, or do you have a different tranny/engine setup. Do you just customize a driveshaft, or what?

 

no idea yet ill let you know

im still reading about it!

im so excited! now i got a l28et in my garage, r200 lsd, and other goodies!

 

From what I've read and have been told in the past, the LSD unit itself fits perfectly in the standard R200 diff housing. Also, if I remember correctly, they have a 3.70 rear end ratio, and that it is possible to swap the stock 3.90 gears onto the LSD unit.

 

Hmmmm... *strokes chin* Ideas arrising.

 

in the words of Napoleon...

"Lucky!"

That is a good 'market value' price, but for a junk yard diff that's a bit pricey. People have been known to steal those bad boys for $50-100 from a junk yard.

 

i wish i could get it for that much... the owner of the junkyard knew what it was... he said i was lucky he didnt charge me more...i guess hes right..

Hey on my lsd its a smooth cover? Why i thought that they all had finned covers?

Im guess ill buy one from courtesy nissan but can someone tell me as to why this is?

 

Well, I saw that too. Did you check to see it actually was limited slip? maybe the owner of that turbo blew the LSD out and swapped it with an open differential from an NA 300ZX.

Also, you can't use the finned cover in your 280ZX without a custom mustache bar. So use the stock cover that is on there or the one from your ZX.

 

mustache bar? I didnt see one when i went under the car... it looked like it mounted straight up to the frame? or where ever it mounted up to?

O yea i took off the cover and everything and made sure that the diff was lsd...

Whats even cooler my friend is taking it over to his work... Honda... well thats where he works (believe me i would make the word honda smaller if i could!) ... and hes going to replace all the seals and fill with diff oil for free... i cant complain... i know it will be heavy when i put it in but its free oil!

since i have a r180 this swap seems like its going to be a PITA... i dont even know how to swap it yet... im still looking for more info! im so confused!!!

so far i know i need to
-swap the front flange to the drive shaft
-(WHAT ELSE?)

 

I have no idea what they are called so i guess the rear hubs?

Well do the r200 halfshafts plug into the rear hubs of r180 that uses joint axles?
or
do the hubs have to be swapped also?

 

Did you actually need to remove that whole large housing to get the LSD? I thought the LSD was a much smaller part inside that housing?

 

i have the whole thing

 

so, I'm curious what all I would have to do if I wanted to change out my differential for a lsd. I have a 240Z, and I wouldn't mind the advantages of a lsd. Would I have to get the whole differential (housing and all) as well as the mustashe bar and half shafts? Or do I just have to pull the differential and switch the gears out? Do I have to get a new driveshaft made/switch front spindles?

If someone could please explain this to me, it'd make things quite a bit easier to understand!

 

The factory Nissan LSD unit inside is integrated with part of the gearset. You can not just mix and match gear sets to get whatever ratio you want. The easiest thing to do is just use the entire diff and you'll have an R200 3.7

The larger gear inside a 3.7 is the same number of teeth as a 3.9 R200. There is a theory that the 3.7 LSD unit can be swapped into a 3.9 R200.

You can not fit the R200 gearsets into an R180 housing. You will need to swap the entire unit and figure out what all needs to be done on a standard R200 swap. The LSD unit is rare and expensive. Hope you have money.

 

what model would I have to pull the LSD off of? Maybe I can find it at Pick N Pull...*starts dreaming*.

 

87-89 300zx turbo

white turbo is a Vlsd but i hear its harder to put in

 

ya, 1988 white turbo SS model. (I'm not sure if all white 88 turbos are this model) There is a writeup on how to install the Vicious LSD. You have to buy some parts from a 4x4 Eagle or something and modify those half shavfts or something like that.

 

What is the difference between a V-LSD and a normal LSD?

 

you mean besides the V?

 

from what I understand, a vlsd is a viscous lsd, whereas a regular lsd is clutch driven, right?

 

Correct. The VLSD uses hydraulics to engage the other wheel where the 'clutch' lsd uses a friction surface (ie. clutch plates) to engage the other wheel.

 

Too much of a pain to swap the LSD assembly from one carrier to another. If you don't know what you're doing, you could mess things up really bad and potentially cause a serious accident if it fails while driving.

Just swap the entire assembly. The 3.7 will give you better gas mileage anyway and at $2.40 a gallon, you should try to get as much as you can!

 

NO! The R180 uses completely different and non-interchangeable half-shafts and stub axle's.

You will need new axle's as well. Axle's from any R200 equipped ZX will work.

As you can see from your R180, the drive shaft is centered in the diff. In the R200, the drive shaft is offset to the left and the right side axle is shorter than the left side.

 

Actually, Bleach is referring to the 10mm bolts in the 280ZX vs 12mm bolts used in the LSD 300ZX.

If you have a 10mm carrier and a 12mm LSD, you can fabricate shims with 10mm ID and 12mm OD to fill the 'gap'. This has been used successfully in the past.

The R180 gearsets will absolutely not work in an R200 or the other way around.