(LAC) Forgive me father, for I am about to sin

Roy Wendell erwendell at mac.com
Mon Feb 26 14:57:24 EST 2007


On Feb 26, 2007, at 2:14 PM, Taka Mizutani wrote:

> Horror stories about DCCD? What horror stories? DCCD works very well,
> IME.

Simply that it's very very tail happy in low traction situations as you 
yourself point out in another post. The algorithm, while apparently 
unbeatable on the asphalt from both my personal experience and that of 
all the autocrossers I know, apparently just isn't or can't be 
optimized for low traction situations. A couple of friends put theirs 
sideways a few times when the snow flew before they, like you, figured 
out to go to the lowest setting on "manual" mode. Stepping up from the 
standard WRX which pretty much power understeers all the time in the 
slippery stuff and having it in mind that the manual modes were for 
performance driving they found the oversteer of the DCCD in auto very 
unexpected. But I agree with you it's a very very good system, possibly 
the best of the lot. I can't quite say the same for the more run of the 
mill viscous locking center diffs used in the rest of the Subaru manual 
transmission range as I've developed a bit of a side business replacing 
failed ones on higher milage cars. For some reason I haven't quite 
discerned yet they decided to lock up solid and make the cars nearly 
undriveable.

Roy



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