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About the GETRAG/TC-SST tranny

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Old Mar 7, 2010, 11:44 AM
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About the GETRAG/TC-SST tranny

http://www.getrag.de/en/234
Officially can only hold 346 lb-ft of torque (470nm)

http://www.themotorreport.com.au/425...side-the-evo-x
Information saying the TC-SST is a Getrag 6DCT470


Don't know if anyone has read any of that yet.
Old Mar 7, 2010, 12:05 PM
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i have..... but thats the front wheel drive version of it .....
thats safly for a dd, but change the clutch pack and get a tcu flash ..... and a 2nd cooler and youll be good

Last edited by lousEVOxmr; Mar 7, 2010 at 12:08 PM.
Old Mar 7, 2010, 03:51 PM
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Originally Posted by lousEVOxmr
i have..... but thats the front wheel drive version of it .....
thats safly for a dd, but change the clutch pack and get a tcu flash ..... and a 2nd cooler and youll be good
Which tuners do the TCU flash ? Any more info on this ?
Old Mar 7, 2010, 04:07 PM
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that i know of..
a shop in calif, i dont remember ttp or somthing
but i can be talking right out of my A** , i think thats what i was reading last week
Old Mar 8, 2010, 08:02 PM
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..

Last edited by sspeed; Jul 20, 2010 at 09:50 PM.
Old Mar 9, 2010, 06:16 AM
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Originally Posted by sspeed
I believe its GST in Hayward Ca, and HB Speed in Huntington Beach Ca...I am getting real close to have some work done on mine.
My understanding is that these shops have been able to manipulate the SST from the ECU side, not the TCU side. (Wrong?)

I have heard of them working on TCU stuff as well as Cobb, but nothing concrete is out yet. Believe me, if there was something out there, definitely would have bought it already lol.
Old Mar 9, 2010, 10:42 AM
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Yes, they are able to modify the ECU to make the SST hold more torques. The main function they are over riding is that when he SST detects too much torque it opens up the clutch packs and the engine free revs, they have the ability to change that "346 wtq" limit. This is my comprehension of it anyways.

Also COBB tuning software both ATR and pro tuner have the ability to modify this too.
Old Mar 9, 2010, 06:06 PM
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When you change it tho, your putting more pressure on the clutch spring, and AMS and their RA have already found out that it wont hold like that for very long.
Old Mar 10, 2010, 03:12 AM
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Originally Posted by RallyGoneEvo
When you change it tho, your putting more pressure on the clutch spring, and AMS and their RA have already found out that it wont hold like that for very long.
no it won't ..

pressure on the clutches is determined by the TCU and not the parts or the ECU ..

At the preset pressure .. the TCU is already calibrated to know how much 'torque' it can run .. if the variation exceed the limit .. the TCU will protect the gearbox ..

RA's wont' hold because the ECU request limit is like 30% less than an Evo's ..
And that is not knowing if the RA has a derated gearbox from factory
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