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Testing a posi

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Old Mar 6, 2007 | 09:00 AM
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Default Testing a posi

I picked up a new 10 bolt for my car and it is REALLY clean. It came out of a low mileage 96 LT1 M6 car. I took of the cover and it is apparent that it had the factory gasket and there were ZERO metal shavings along with very clean oil. I was very pleased with the condition of the rear but I went to check the posi by turning the yoke by hand and it spins both wheels, but it is turning them in opposite directions. Is this normal? I thought it would spin them both in the same direction, but it doesn't make sense that such a clean low mileage rear would look great but have a toasted posi.
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Old Mar 6, 2007 | 09:15 AM
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Auburn = Same direction
Torsen = opposite direction
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Old Mar 6, 2007 | 10:25 AM
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Originally Posted by alamantia
Auburn = Same direction
Torsen = opposite direction
I thought the Torsen went into cars starting around 99 or so?
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Old Mar 6, 2007 | 10:42 AM
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me too
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Old Mar 6, 2007 | 11:29 AM
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Originally Posted by alamantia
me too
Oh well as long as it is turning them both I guess I'm good.
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Old Mar 6, 2007 | 11:53 AM
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well.. you had the inspection cover off right and you know kind of posi it is. So if its a torsen your all good
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Old Mar 6, 2007 | 01:37 PM
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Originally Posted by alamantia
well.. you had the inspection cover off right and you know kind of posi it is. So if its a torsen your all good
I can't tell by looking what kind of a posi it is. Anywhere I can find pics of both?
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Old Mar 6, 2007 | 01:54 PM
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ebay will give you good visuals

Auburns have a cross pin
torsens have a paddle
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Old Mar 6, 2007 | 03:24 PM
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Looks like I have a Torsen then, mine looks like this:

http://cgi.ebay.com/ebaymotors/Zexel...QQcmdZViewItem

Not like this:

http://cgi.ebay.com/ebaymotors/10-bo...QQcmdZViewItem

I definitely see gears when looking into the "window" and not springs. This rear must have come out of a 99 or up car then. I'm very pleased then because this rear is immaculate. Hopefully it lasts more than 1 year this time.
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Old Mar 6, 2007 | 10:19 PM
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I thought the same thing when I lifted mine on jacks to check the rear-end.

For the Torsen to work, i.e. to power both wheels, there has to be some torque on it to the "lock" the axles. When both wheels are off the ground this doesn 't happen because the axles are just free-wheeling. Its alittle complicated how it works but it does.

My hat goes off to the engineer who designed it thats for sure.
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Old Mar 7, 2007 | 06:33 AM
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Originally Posted by NU_BLUE
I thought the same thing when I lifted mine on jacks to check the rear-end.

For the Torsen to work, i.e. to power both wheels, there has to be some torque on it to the "lock" the axles. When both wheels are off the ground this doesn 't happen because the axles are just free-wheeling. Its alittle complicated how it works but it does.

My hat goes off to the engineer who designed it thats for sure.
An interesting design for sure. My friend pulled this rear off a 96 or 97 LT1 car with low mileage, so we expected the rear to be in good shape. However, we did NOT expect to find a torsen in it. I guess the reason it is in such great shape is it is not the original rear end from that car, he either blew his first one or put in a new one for whatever reason. I wonder which is stronger, an Auburn or a Torsen?
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