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LS1 Torsen question

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Old Apr 24, 2009 | 06:04 AM
  #1  
ralf's Avatar
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LS1 Torsen question

Is it possible that LS1 Torsen I have in my 1996 Camaro starts to play games? On sharp bends especially in first gear only one wheel is spininng but when I made a test for straight line placing one wheel on asphalt and another on ground it works - two nice stripes - one on groundside another on road. Car has approx 400 HP at flywheel.
Old Apr 24, 2009 | 06:12 AM
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AL SS590 M6's Avatar
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A Torsen is NOT a posi. It's a torque biasing differential. It has no clutches locking the axles together. It does it's best to try to send torque to the wheel that has less traction. And if you continue abusing it, it will fail.
Old Apr 24, 2009 | 06:51 AM
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Originally Posted by AL SS590 M6
A Torsen is NOT a posi. It's a torque biasing differential. It has no clutches locking the axles together. It does it's best to try to send torque to the wheel that has less traction. And if you continue abusing it, it will fail.
So you are saying that its behaviour is normal and I shouldnt worry?
Old Apr 28, 2009 | 06:07 AM
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Anyone please? I need to understand is it normal behaviour of LS1 Torsen diff?
Old Apr 28, 2009 | 06:29 AM
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The Torsen is torque-biasing- you will get twice the power at the wheel that has traction as you get at the wheel with little traction- when you go around a tight corner, the inside wheel lifts and has very little traction- The outside wheel is loaded, but only going to get twice the power that the inside wheel is getting- which, being lightly loaded, isn't much-

On a level, flat launch, both wheels have about the same traction, and will get similar power- and, both will spin if too much torque is applied-
Old Apr 28, 2009 | 07:32 AM
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Originally Posted by Wild *****
The Torsen is torque-biasing- you will get twice the power at the wheel that has traction as you get at the wheel with little traction- when you go around a tight corner, the inside wheel lifts and has very little traction- The outside wheel is loaded, but only going to get twice the power that the inside wheel is getting- which, being lightly loaded, isn't much-

On a level, flat launch, both wheels have about the same traction, and will get similar power- and, both will spin if too much torque is applied-
So the bias ratio is 2:1?
Old Apr 29, 2009 | 10:42 AM
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On the standard Torsen, yes, 2:1- On some of the Heavy-duty models they have 3:1 or 4:1-

http://www.torsen.com/fsae/fsaefaqframes.htm
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