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Old 06-14-2009, 09:08 AM   #63
Scooby Specialist
Member#: 40843
Join Date: Jul 2003
Chapter/Region: Tri-State
Location: Biking in nyc
2002 WRX
w/ 07 6mt DCCD Pro


Originally Posted by Cyclops View Post
And a DCCD controller is absolutely optional. With no signal your center diff goes wide open, as in no locking, which is fine. Torque split is a mechanical thing; your DCCD controller doesn't control torque split, it controls the amount of lock of the center diff. It's going to run just like any other open center diff. It won't run as well at a track and it won't run as well in crappy traction, but it won't hurt anything. IIRC the center diff has some mechanical locking in the 07, like 10% or something like that, even at wide open. It'll do some sweet burnouts too! Spiider has a model where you can turn off the DCCD for a reason. Keep on reading buddy.
So can you put it on the dyno w/o the DCCD controller? Seems weird that my shop would say it's not optional (they've done quite a few swaps).
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