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Old 01-07-2006, 04:30 AM   #1
bratwar
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Default DCCD Setting on Tracks

I tried serching for a while now and I can't seem to find some information regarding DCCD settings on tracks. Please share your ideas as to what you think is the best setting for it. I'm guessing manual, all the way to the rear. What do you all think?
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Old 01-07-2006, 06:56 AM   #2
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I think you would have have it on auto..... It will put the power where you need it, as if you coming out of a corner or lunching at a start. Just don't limit yourself to manual.....
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Old 01-07-2006, 10:12 AM   #3
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Auto...
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Old 01-07-2006, 10:45 AM   #4
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Auto, unless its raining then 2 from full lock works best for us.

-Tom
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Old 01-07-2006, 03:49 PM   #5
bratwar
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Thanks for all your suggestion. I went to Gingerman last year and my setting was on Auto. I just don't know if there is a better setting other than Auto.
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Old 01-07-2006, 07:14 PM   #6
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I tried Auto and all the way to the rear. Both seemed to work for me, but I like to the back the best.
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Old 01-07-2006, 08:05 PM   #7
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The DCCD controls the amount of lock... not the bias. You cannot go full rear or otherwise. You can go from open to a certain amount of lock. The center diff always transmits the same bias front to rear. Of course.. in open operation it acts as though it were un-biased, and at lock the full extent of the bias is used.

Don't think of it as 'to the back' but as partly locked.
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Old 01-07-2006, 10:58 PM   #8
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meh don't feel like starting crap

Last edited by DILLIGAF Racing; 01-07-2006 at 11:04 PM.
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Old 01-07-2006, 11:05 PM   #9
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Although, I am willing to bet most people in this thread knew exactly what I meant by all the way to the rear.
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Old 01-07-2006, 11:16 PM   #10
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my comment is for autocross - Auto
I have done back to backs at test and tunes and Auto consistently made faster times.
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Old 01-07-2006, 11:24 PM   #11
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Get your autocross out of here

Last track I went to, setting it to 65% just felt better to me. And I am not basing that on times. PCA frowns upon running times in DE. Maybe if I can get someone to go with me next time, I can load the Lap Timer software on PDA, and have them "secretly" get times.
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Old 01-08-2006, 01:26 PM   #12
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Quote:
Originally Posted by DILLIGAF Racing
Although, I am willing to bet most people in this thread knew exactly what I meant by all the way to the rear.
Sorry, I wasn't trying to start anything. It was a general statement, not aimed at anyone in particular. Obviously, most (if not all) of you already know this.

I just see a lot of STi owners who still think that the little scroll wheel just moves the bias from front to rear... and they read a post like this where people are talking about 'all the way to the rear' and think that you're talking about keeping the STi in 'RWD mode'.
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Old 01-08-2006, 01:49 PM   #13
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Quote:
Originally Posted by DILLIGAF Racing
Although, I am willing to bet most people in this thread knew exactly what I meant by all the way to the rear.
"The dial" all the way to the rear?
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Old 01-08-2006, 02:00 PM   #14
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yessum
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Old 01-09-2006, 12:19 AM   #15
bratwar
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So if you put the DCCD in manual, wouldn't the car feel more like it has an adjustable LSD? And if so, wouldn't that be better at turns?

Sorry for my ignorant views. Just want to learn mare about my car.
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Old 01-19-2006, 07:42 AM   #16
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Quote:
Originally Posted by Beaverboy
The DCCD controls the amount of lock... not the bias. You cannot go full rear or otherwise. You can go from open to a certain amount of lock. The center diff always transmits the same bias front to rear. Of course.. in open operation it acts as though it were un-biased, and at lock the full extent of the bias is used.

Don't think of it as 'to the back' but as partly locked.
Would you mind explaining a little? I assume 'lock' locks the center diff such that 1 wheel can't spin without all of them spinning?? Open would let the fronts spin at launch when the rears don't?

How would it compare to my old WRX? Did it operate more 'open' or 'locked'?

Also, mine seems to handle better when all the way open/knob adjusted all the way to the rear than auto. I haven't put enough miles on it to say for sure, but it seems the front wants to lift more when accellerating out of turns when in 'auto'...
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Old 01-20-2006, 10:46 AM   #17
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When I encounter different conditions on the track. When its a dry / wet track or ice racing with snow or no snow or different tires, spiked or not spiked. I find best thing to do is just try the different settings and see what works best for your style and the prevaling conditions.

I found auto for dry track, ice racing on snow tires.
Locked or near locked for wet tracks and hopfully find out what is best for spiked ice racing tires (when we get some ice).

Just like setting up tire pressures, rollbar diameters and shock settings etc best to try if it feels worse then go the other way. There is no right setting.
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Old 01-20-2006, 11:26 AM   #18
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I like full rear (35/65) I think it helps with the STi push out of corners.

Helps loosen up the rear to help this

Matt
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Old 01-20-2006, 11:43 AM   #19
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and by full rear, you mean the knob all the way back, or the "lock" part of the knob. Do you actually know how the DCCD operates?

-Tom
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