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Old 11-20-2010, 02:12 PM
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JCL JCL is offline
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Your 4.6 is pre x-drive, so it has the fixed torque split front-rear, as mentioned above. That is a function of the design of the New Process/New Venture 125 transfer case. There is no ability to modify it, and it is an open differential, so there is not much that could even be contemplated.

The x-drive models from 2004 onwards have clutch plates, and variable torque split based on wheel speed sensors (for front-rear). Side to side torque split is handled by braking individual wheels using the traction control system.

The Subaru is essentially a front wheel drive vehicle. The AWD component is added on to the design, but the vehicle starts from having FWD. That is why you can select more of a FWD bias.

The best thing you can do for control in icy conditions is select the correct ice radials, and then let the X5 dynamic stability control (DSC) system function as designed. Practicing with it on closed roads or parking lots will show you how to get the most out of it.

Fire away if you have specific questions.
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