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Location:
sydney
Registered:
January 2003
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how to tell which LSD by jacking the car up ?
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Sat, 21 August 2004 01:59
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hey guys, i was just wondering is there a way of telling what lsd you have like 1 way, 2 way, viscous by jacking the car up and turning the wheels ?
if so could you please tell me.
thanks
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Banned user
Location:
ADELAIDE - The Drift City
Registered:
July 2002
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Re: how to tell which LSD by jacking the car up ?
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Sat, 21 August 2004 03:40
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not a chance!
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Location:
sydney
Registered:
January 2003
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Re: how to tell which LSD by jacking the car up ?
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Sat, 21 August 2004 05:59
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bahhh damn you simon 
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Location:
Brisbane
Registered:
June 2003
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Re: how to tell which LSD by jacking the car up ?
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Sat, 21 August 2004 08:37
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pull it out and take it to a diff shop sounds the easiest to me 
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Location:
Rosanna, Melb
Registered:
June 2002
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Re: how to tell which LSD by jacking the car up ?
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Sun, 22 August 2004 04:43
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Or take it intact to a GOOD diff place and let them take it for a hammer. A good mechanic should be able to tell you after a quick drive.
And then consider, if they can't tell the difference while specifically looking for it, will you notice the difference while driving??
Hen
PS, yes it does all depend on the diff specialist, so that's why I said a GOOD one.
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Location:
Sydney
Registered:
May 2004
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Re: how to tell which LSD by jacking the car up ?
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Sun, 22 August 2004 05:27
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I don't mean to hijack the thread but is there any way to tell if a diff centre is lsd and NOT welded without opening it up?
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Location:
Baulko Hillo
Registered:
April 2004
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Re: how to tell which LSD by jacking the car up ?
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Sun, 22 August 2004 07:15
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| Celica_John wrote on Sun, 22 August 2004 15:27 |
I don't mean to hijack the thread but is there any way to tell if a diff centre is lsd and NOT welded without opening it up?
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Drive in a circle with full lock applied. If it doesn't shudder, chirp and hop (or snap an axle), then it's an LSD.
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I supported Toymods
Location:
sydney.au
Registered:
August 2002
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Re: how to tell which LSD by jacking the car up ?
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Sun, 22 August 2004 07:26
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| AE86slut wrote on Sun, 22 August 2004 17:15 |
| Celica_John wrote on Sun, 22 August 2004 15:27 |
I don't mean to hijack the thread but is there any way to tell if a diff centre is lsd and NOT welded without opening it up?
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Drive in a circle with full lock applied. If it doesn't shudder, chirp and hop (or snap an axle), then it's an LSD.
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mine shudders chips and hops
haha
wtf?
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I supported Toymods
Location:
Ademelaide, SA
Registered:
July 2003
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Re: how to tell which LSD by jacking the car up ?
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Sun, 22 August 2004 07:39
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maybe yours has been tightened...
there is only one realistic way to check without opening it up.
jack up one rear wheel. car in neutral.
try and spin the wheel by hand. if you can, it's not a locker.
if you have an excessively(nice) tight LSD, such as Garth, Simon and my self do, then you may possibly need to get a socket onto a wheel nut, and rotate with a ratchet/breaker bar in a clockwise direction to get it to 'break' LSD torque.
you can also tell from doing this at the torque setting your LSD 'breaks' at, ie. 'goes open' by using a torque wrench to do this.
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Location:
Baulko Hillo
Registered:
April 2004
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Re: how to tell which LSD by jacking the car up ?
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Sun, 22 August 2004 07:46
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| ae86drift wrote on Sun, 22 August 2004 17:26 |
| AE86slut wrote on Sun, 22 August 2004 17:15 |
| Celica_John wrote on Sun, 22 August 2004 15:27 |
I don't mean to hijack the thread but is there any way to tell if a diff centre is lsd and NOT welded without opening it up?
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Drive in a circle with full lock applied. If it doesn't shudder, chirp and hop (or snap an axle), then it's an LSD.
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mine shudders chips and hops
haha
wtf?
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Well, I dunno man, but with only a small amount of throttle but letting the clutch out reasonably quickly, mine acts like a locker too and locks up damn toit too....
Yours may shudder and chirp and hop, but compared to a welded diff, it's smooth as!
Steve's method of jacking up one side certainly sounds like a very good way to check tho.
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I supported Toymods
Location:
Ademelaide, SA
Registered:
July 2003
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Re: how to tell which LSD by jacking the car up ?
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Sun, 22 August 2004 07:48
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| AE86slut wrote on Sun, 22 August 2004 17:16 |
Steve's method of jacking up one side certainly sounds like a very good way to check tho.
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works for me 
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I supported Toymods
Location:
sydney.au
Registered:
August 2002
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Re: how to tell which LSD by jacking the car up ?
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Sun, 22 August 2004 07:52
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hooooray
its not broken
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Location:
Sydney
Registered:
May 2004
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Re: how to tell which LSD by jacking the car up ?
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Sun, 22 August 2004 11:43
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sorry I didn't explain myself properly. I meant when looking at a diff thats not on the car.
I don't think i'll make the same mistake twice by not taking out the centre before i buy it but i got my money back anyhow.
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I supported Toymods
Location:
Ademelaide, SA
Registered:
July 2003
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Re: how to tell which LSD by jacking the car up ?
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Tue, 24 August 2004 08:20
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if it aint full of molten metal...it aint a locker.
(unless it's a spool, but doubtful.)
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Location:
On your mum!
Registered:
May 2002
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Re: how to tell which LSD by jacking the car up ?
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Tue, 24 August 2004 08:23
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Detroit locker will not be full of molten metal - and will still be a true locking centre (not locked but locking) so to an air locker.
Sorry to be a pedant.
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I supported Toymods
Location:
Ademelaide, SA
Registered:
July 2003
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Re: how to tell which LSD by jacking the car up ?
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Tue, 24 August 2004 08:33
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| Steve-AE86 wrote on Tue, 24 August 2004 17:50 |
if (unless it's a spool, but doubtful.)
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Location:
On your mum!
Registered:
May 2002
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Re: how to tell which LSD by jacking the car up ?
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Tue, 24 August 2004 08:40
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A detroit locker is not a spool. They are completely different.
A detroit (or air or spring locker) allows for free wheeling (IE open) when it is disengaged, but when it is engaged it will turn both tyres at the same speed and nothing (aside from backing off) will let it free wheel.
A mini spool locks the axles together making them turn at the same pace all the time (like welding) and a full spool completely replaces the hemisphere and its associated side gears etc.
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