Quote:
Originally Posted by S2kracka
Could you tell the difference?
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Not really. The different modes are more so meant to affect the time it takes to uncouple the front wheels from the rear. The diff locks up under any sort of acceleration, deceleration, turning, breaking, etc. It then unlocks as soon as the car is going straight (Tarmac mode). In gravel(also rain) mode, it will wait a few seconds (3-4) before uncoupling the diff. In snow mode, it will wait 8+ seconds to uncouple, so that it is more ready to send power to the rear.
There is also different amounts of pressure holding the clutchpacks together in the various modes. Tarmac is the highest, then Gravel, and then Snow is the weakest. What the various pressures are, I am not sure. There is an excellent write-up over on evom:
http://forums.evolutionm.net/showthread.php?t=175195
See section 2D for the various modes.
Threaded Mode