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03-16-2008, 09:30 PM | #1 |
Scooby Newbie
Member#: 152849
Join Date: Jul 2007
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MAIC
Location: Pittsburgh
Vehicle:2013 BRZ Dark Grey |
DCCD vs non-DCCD tranny
I have the choice between jdm Sti Tranny Version 8 DCCD and jdm Sti tranny Version 8 Non-DCCD...
Question is which one should I get..? The Non dccd tranny has about 5,000 miles vs the dccd tranny has about 25,000 miles...(Same Price) Has anyone had any experience with the jdm non-dccd sti tranny...? The split for the non-dccd is about 50-50 from what I have read.. I use the car as a daily driver (07 wrx). I figure If I get the non-dccd tranny it's less I have to worry about.. Oh and I also will be gettting r-180 rear diff, axels, and Brembo brakes Front\Rear.. Can not wait!!! Thanks...
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03-17-2008, 12:01 AM | #2 |
Scooby Specialist
Member#: 106225
Join Date: Jan 2006
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MAIC
Location: Fairmont WV
Vehicle:02 WRX STied PSM 03 L, 05 GT Legacy Wagons |
I would get the DCCD one. That is what I have. I got a V8 Spec C DCCD one a while back. For the same price there is no reason to get the non-DCCD one. 20,000 miles doesn't mean much to me at least. DCCD does though. The non-DCCD ones use a Viscous fluid coupler like the regular WRX ones do but they are a little stronger. The DCCD will allow for a lot more grip in all driving situations. Since you live in Pittsburgh and have snow the DCCD will allow you to lock it in the case where you would get stuck where a viscous one will slip a good bit. You can't go wrong with the DCCD and a spiider controller.
Ryan |
03-17-2008, 08:42 AM | #3 |
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Member#: 149267
Join Date: May 2007
Location: Canton, CT
Vehicle:2002 6-speed wrx psm |
anyone know the torque split on a non-dccd?
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03-17-2008, 11:38 AM | #4 | |
Scooby Newbie
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Quote:
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03-17-2008, 08:38 PM | #5 |
Scooby Specialist
Member#: 106225
Join Date: Jan 2006
Chapter/Region:
MAIC
Location: Fairmont WV
Vehicle:02 WRX STied PSM 03 L, 05 GT Legacy Wagons |
The non DCCD have a LSD of sorts. LSDs don't have a fixed torque split. Only open diffs do. So when a DCCD transmission is in open mode. Depending upon the year the V7 has a (45:55) V8 has (35:65) and V9 has (49:51). With an LSD torque split depends on the situation.
Ryan |
03-17-2008, 08:40 PM | #6 | |
Scooby Specialist
Member#: 106225
Join Date: Jan 2006
Chapter/Region:
MAIC
Location: Fairmont WV
Vehicle:02 WRX STied PSM 03 L, 05 GT Legacy Wagons |
Quote:
Ryan |
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03-17-2008, 09:20 PM | #7 |
Scooby Newbie
Member#: 152849
Join Date: Jul 2007
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03-18-2008, 01:44 AM | #8 |
Scooby Specialist
Member#: 106225
Join Date: Jan 2006
Chapter/Region:
MAIC
Location: Fairmont WV
Vehicle:02 WRX STied PSM 03 L, 05 GT Legacy Wagons |
I have a R180 and I don't drive the car too much. I think it will be ok untill I get a controller.
Ryan |
03-19-2008, 06:53 PM | #9 |
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MWSOC
Location: Grand Rapids, MI
Vehicle:05, STI on green |
I have an 06 sti trans on my r160, the split isnt so bad. Ive been beating on it a bit without problems.
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03-20-2008, 04:41 PM | #10 |
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Location: Hillsboro, OR
Vehicle:2015 Mazda 3 97 Miata, 96 Landcruiser |
My R160 lasted a little over a year before the diff stripped.
If you just want to install the trans and forget about it, go non-DCCD.....if you want to be able to adjust the split, go DCCD. If I had it to do over, i would have gone non-dccd. Curt |
03-20-2008, 09:40 PM | #11 |
Scooby Newbie
Member#: 13680
Join Date: Dec 2001
Location: DCCDPro.com
Vehicle:2002 WRX WRB |
Of course I'm biased so take it for what it's worth, but I don't think it's great advice to simply say that you'd go with non-dccd if you had to do it over again. You can say that, and I can respect that for your driving needs it is possibly quite true.
However, there is a good reason the STi comes with DCCD as a standard feature, it simply works better than a mechanical diff when used over a wide range of driving situations. If you've ever driven a car with a really strong mechanical center diff you'll appreciate the day to day driveability of a DCCD diff especially at low speeds and when turning. DCCD or non-DCCD shouldn't/won't affect the lifespan of an r160 in a 6 speed swap. However, an r160 may have an extremely shortened lifespan in a "DCCD" 6 speed swap with no controller...especially in a more powerful car where it is even easier to spin the rears. |
03-20-2008, 09:51 PM | #12 |
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Location: Flanders, New jersey
Vehicle:03 wrx wrb |
Spiiders controller will be your best investment yet for your subie!!!! I just had it put in a few days ago and tested it out on dirt roads by my house and its AWESOME !!!!!!!
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