Interesting torque figures for 7Spd Dual Clutch

[kaanage]

Sorry... you're both mistaken.

Where am I wrong????

The older 7 speed DSG has a lower torque limit and is cheaper (and is lighter/smaller) than the newer one. I never said the designs were similar but they are both 7 speed and DSG

IBut I did recall there was a newer DSG 7 speeder designed for their turbo diesel vehicles and given the price range, it's unlikely to be the monster version used in the Audi ones.

Yes it is an it is only used in the bigger turbo diesel vehicles. That's why the Golf/Jetta use the 6 speed DSG.

The turbo-diesel 6R Polo is relatively gutless so the older 7 speed DSG can handle its output.

Ps wouldn't the modded R DSGs in danger of busting the limits if the gearbox?

That'd be gavs's concern

[Transporter]

The Audi Q7 and Q5 has the 7sp longitudinally mounted DSG and it is very long g.box shorter version of it is in new T5's and Tiguans from MY11. It's very unlikely that any of the 7 speed DSG with wet clutch would fit in the Polo.

[Corey_R]

Ps wouldn't the modded R DSGs in danger of busting the limits if the gearbox?

The turbo-diesel 6R Polo is relatively gutless so the older 7 speed DSG can handle its output.

I really wish vBulletin had a built in "Wikipedia" style publishing interface because it'd help with situations like this which come up in every single DSG related thread.

gavs won't be too concerned about the R's gearbox, since he has a Polo GTI

But to repeat myself again.
No, there is no issue with modified Golf R's and their DSG.
Everyone gets so worked up over the "torque limits" of the DSG and overlook the fact that the traditional manual gearbox in the cars have the same torque limit.

Whilst VAG rate the "torque limit" of the 6sp wet clutch DSG as 350Nm, this is along the same lines as them rating the engine for 188kw / 330Nm. But we all know that a simple ECU flash ups those engines to ~240kw/430Nm and everything is fine. As far as we're aware, not a single engine failure due to any reputable tuning companies flash!

There are Stage 3 Golf R's (and S3's and GTI's) all running around with unmodified DSGs whilst pushing out around 300kw and 500Nm. Some of these cars have been running around like this for 3 or 4 years now. Sure, if you're intention is to do drag racing or traffic lights GP all the time, you're going to have clutch issues... but then, you would with any car, modified or not.

If you are going for BIG POWER or would like to drag race etc, then you can upgrade the 6sp wet clutch packs and DSG seals to versions which are rated to up to 600Nm+. Whilst these are not common in Australia, they have been around for many years in Europe to handle "R32 Big Turbo Conversions" that they've done over there. Locally, forum members such as DeanCorp have installed these clutch packs, seals, and the required DSG flash to handle the clutch packs in his "GIAC Extreme" modified MKV Pirelli GTI.


With the 7sp dry clutch DSG which is in the Polo, it has a VAG rating of "250Nm". Again, like the engine, this is conservative.
Having said that, since this is a dry clutch, it is not going to stand up to multiple standing starts anywhere near as well as the wet clutch gearboxes will.

As there hasn't been much "big power" upgrades for cars equiped with the 7sp dry clutch DSG thus far, there is not yet any DSG flashes or upgrades available (at least none that anyone here has found yet). However, as we all know, APR Australia has been working hard on their Polo GTI, including a lot of hardware upgrades (intakes, intercoolers, full exhausts etc) which are really the first products to really push the capabilities of the 7sp dry clutch. So as per their comments in the Motor magazine article this month, the 7sp dry clutch DSG is something that they'll need to look at to get some type of upgrades for those who are going beyond the standard "ECU flash".

Anyway, hope that helps...