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Blake Davies
TryHard
S A
Factory 5sp TT

Posts: 134
Reg: 03-2006

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 Monday, May 19, 2008 - 07:02 pm, by:  Blake Davies (Boss_da_man) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Hello

What type of LSD do i have.? For the factory manual TT.?

The axle code on the build plate is R154 A02A .
Peter Nitschke
Junk Filterer
South Australia
UZZ30 UZZ31

Posts: 9335
Reg: 11-2004

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 Monday, May 19, 2008 - 07:28 pm, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
A quick search would show:

A02A means open diff.
A02B means LSD.

So the answer is that you don't have a factory fitted LSD.
Blake Davies
TryHard
S A
Factory 5sp TT

Posts: 135
Reg: 03-2006

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 Monday, May 19, 2008 - 07:44 pm, by:  Blake Davies (Boss_da_man) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Ok thanks.

I wonder what type of LSD i got.
David Vaughan
Goo Roo
ACT
V8 Ltd manual

Posts: 3806
Reg: 07-2005

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 Monday, May 19, 2008 - 08:04 pm, by:  David Vaughan (Davidv) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
How do you know you have one?
Blake Davies
TryHard
S A
Factory 5sp TT

Posts: 137
Reg: 03-2006

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 Monday, May 19, 2008 - 08:07 pm, by:  Blake Davies (Boss_da_man) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
it leaves 2 black lines.....
David Vaughan
Goo Roo
ACT
V8 Ltd manual

Posts: 3807
Reg: 07-2005

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 Monday, May 19, 2008 - 08:13 pm, by:  David Vaughan (Davidv) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
So?

Search on LSD. The main imprecise test is to put one wheel on a high-traction surface and one on low-traction, e.g. bitumen and wet grass, and see if you can drive off.
Blake Davies
TryHard
S A
Factory 5sp TT

Posts: 138
Reg: 03-2006

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 Monday, May 19, 2008 - 08:15 pm, by:  Blake Davies (Boss_da_man) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Its got an LSD. I have tested it.
David Vaughan
Goo Roo
ACT
V8 Ltd manual

Posts: 3808
Reg: 07-2005

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 Monday, May 19, 2008 - 08:39 pm, by:  David Vaughan (Davidv) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
How?

This is repetition of of my previous question but your first reply did not answer. To say, "2 black lines..." is irrelevant to the question.

Exactly how do you know you have one?
Blake Davies
TryHard
S A
Factory 5sp TT

Posts: 139
Reg: 03-2006

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 Wednesday, May 21, 2008 - 05:27 pm, by:  Blake Davies (Boss_da_man) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Hello

I just did the grass test. Both wheels spin.

So that means i got a Torsen LSD?

cheers..
Peter Nitschke
Junk Filterer
South Australia
UZZ30 UZZ31

Posts: 9354
Reg: 11-2004

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 Wednesday, May 21, 2008 - 05:45 pm, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
It probably means you have an LSD, but it doesn't mean you have a Torsen. Quite a few Soarers have aftermarket eg TRD or Cusco LSD's fitted.

Just for confirmation, try it with a bit less throttle and see if it drives off without either wheel spinning. I don't mean really slowly, but having both wheels spinning may not be completely conclusive, as enough power and wet or slippery bitumen could cause that also.
Blake Davies
TryHard
S A
Factory 5sp TT

Posts: 141
Reg: 03-2006

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 Wednesday, May 21, 2008 - 07:45 pm, by:  Blake Davies (Boss_da_man) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Does donuts on bitumen, (private property)

Also my brother reckons its not a after market clutch pack style as the way it engages is not as sudden. he thought it was either a viscus or a Torsen , and soarer's only get Torsen.
Dave Cazes
Tinkerer
sa
tt

Posts: 98
Reg: 08-2007

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 Wednesday, May 21, 2008 - 08:15 pm, by:  Dave Cazes (Cazman) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
jack it up, turn the wheels, whats the direction of the other one? answered
David Vaughan
Goo Roo
ACT
V8 Ltd manual

Posts: 3814
Reg: 07-2005

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 Wednesday, May 21, 2008 - 08:26 pm, by:  David Vaughan (Davidv) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Oh crap Dave. Haven't you read or understood anything on this subject? Obviously not
Michael Keen
DieHard
nsw
soarer tt

Posts: 650
Reg: 10-2007

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 Friday, June 06, 2008 - 12:50 am, by:  Michael Keen (Spoilt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
dave is correct , jack both wheels up , hold one wheel while your mate spins the other, it should not turn for a little bit and then you will either not be able to move it, or feel a lot of friction to turn the wheel..
Ashley Leach
Goo Roo
South Australia
GT Limited UZZ31 V8

Posts: 1143
Reg: 02-2006

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 Friday, June 06, 2008 - 02:23 pm, by:  Ashley Leach (Ashlar) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Or just go get a Torsen Type II put in like I did... then you KNOW that you have one, and trust me you know on a wet day... LOL

The jack up test is right. Best thing you can do and won't wreck anything like doing burnouts... which is just dum really.
David Vaughan
Goo Roo
ACT
V8 Ltd manual

Posts: 3834
Reg: 07-2005

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 Friday, June 06, 2008 - 08:06 pm, by:  David Vaughan (Davidv) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Michael, you and Ashely are wrong. A Torsen will show friction only when there is torque from the drive shaft. That is one of the major points of the design. Notice the name? "TORque SENsing"

A straight friction clutch style of LSD will behave as you describe, so if yours actually does that then you do not have a factory Torsen LSD.
Ashley Leach
Goo Roo
South Australia
GT Limited UZZ31 V8

Posts: 1146
Reg: 02-2006

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 Friday, June 06, 2008 - 09:33 pm, by:  Ashley Leach (Ashlar) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Oh you know what you probably are right.

Well mine isn't a factory as I put it in myself and it's a Type II Torsen. So I haven't tried the jack test on my car, only on a mates commonwhore which had a cusco or something clutch type setup.
David Ilba
Newbie
SA
JZX-81 TT

Posts: 1
Reg: 08-2008

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 Sunday, August 10, 2008 - 06:26 pm, by:  David Ilba (Chaserbuddy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
if you really want to know take the diff housing out of the car and take the backing plate off and look inside...someone could have swapped it over to anything really
Dave Cazes
TryHard
sa
tt

Posts: 194
Reg: 08-2007

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 Tuesday, August 12, 2008 - 09:37 am, by:  Dave Cazes (Cazman) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
So has he jacked it up yet?
Just jack it up and turn 1 wheel, if they both go the same direction then you have an lsd
David Vaughan
Goo Roo
ACT
V8 Ltd manual

Posts: 3882
Reg: 07-2005

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 Tuesday, August 12, 2008 - 01:12 pm, by:  David Vaughan (Davidv) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Thick as a brick.
Ben Lipman
DieHard
NSW
Soarer TT manual

Posts: 871
Reg: 04-2006

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 Tuesday, August 12, 2008 - 04:47 pm, by:  Ben Lipman (Ben12a) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
David Vaughan wrote on Tuesday, August 12, 2008 - 01:12 pm:

Thick as a brick.

Brendan McGannon
TryHard
s.a
JZZ30 'drift supreme' and JZS147

Posts: 166
Reg: 05-2006

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 Tuesday, September 02, 2008 - 07:16 pm, by:  Brendan McGannon (1jzspec) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
hate to burst peoples bubble here,but the jacking up and turning one wheel and watching the other one trick isnt always correct,alot of open diff's will turn together,and also an open wheeler will kick 2 when the spider gears are binding up-basically its on its way out.
Steven Anderson
TryHard
NSW
UZZ31 Manual

Posts: 287
Reg: 05-2006

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 Tuesday, September 02, 2008 - 10:49 pm, by:  Steven Anderson (Cusscuss) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Brendan McGannon wrote on Tuesday, September 02, 2008 - 07:16 pm:

hate to burst peoples bubble here,but the jacking up and turning one wheel and watching the other one trick isnt always correct,alot of open diff's will turn together,and also an open wheeler will kick 2 when the spider gears are binding up-basically its on its way out.



and the fact that a torsen type 1 has no pre load, so jacking it up and turning 1 wheel will result in 1 wheel turning.

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