Mito and Giulietta to get twin-clutch auto gearbox from later this year

Alfa Romeo will introduce a new twin-clutch TCT auto gearbox on the Mito late this year and the Giulietta in spring 2011.

The six-speed design, developed in-house by Fiat, employs dry clutches and has a torque capacity of 188lb ft, just enough to cope with the Giulietta Cloverleaf's 177lb ft 1.7 turbo on overboost.

Initially it will only be fitted to the 135bhp 1.4 Mito and the 170bhp 1.4 petrol and 2.0 diesel Giuliettas.

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5 July 2010

[quote Autocar]The six-speed design, developed in-house by Fiat, employs dry clutches and has a torque capacity of 188lb ft, just enough to cope with the Giulietta Cloverleaf's 177lb ft 1.7 turbo on overboost.
[/quote]

Don't know about others but I would be worried about something that is operating that close to its limit. And remember yhou are far more likely to obtain max torque in day to day driving than you are power.

5 July 2010

it says overboost.

5 July 2010

[quote beachland2]

it says overboost.

[/quote]I know

5 July 2010

[quote Autocar]has a torque capacity of 188lb ft, just enough to cope with the Giulietta Cloverleaf's 177lb ft 1.7 turbo on overboost.

Initially it will only be fitted to the 135bhp 1.4 Mito and the 170bhp 1.4 petrol and 2.0 diesel Giuliettas.[/quote] If it's going to be fitted to the 2.0 diesel then it's going to lead to a lot of warranty claims, as the 258lb ft of torque this engine produces is way above the 188lb ft capacity of the box.

 

 

5 July 2010

IMHO this looks like another bad copy & paste & whatever from AC

so, Alfa managed to develop in-house their DCT... unless they are hoping for lawsuits, DCT are patented by Borg-Warner/Volkswagen due to their joint efforts to bring them to the market.

The only DCT they I know are all from Borg-Warner/Volkswagen, Ricardo, Getrag, ZF, and a few ones, but all the latters pay the due royalties to Borg-Warner/Volkswagen.

According to AC, this guys from Italy are special ones.

Yep AC, you may be right, as well the quotes for the torque capacities...

5 July 2010

Borg Warner are wet DCT, Fiat is dry DCT, i think that might be the difference?

5 July 2010

Autocar news is messed up, as said the diesel makes too much torque as does the the cloverleaf Giulietta which has 251lbft.

5 July 2010

Double the opportunity for things to go wrong.

5 July 2010

Interestingly enough, one of the few auto boxes to improve fuel consumption figures and reduce CO2 emmisions.

5 July 2010

I'm sure boxes for themore powerfull engines will be beefed up to cope with the increase in power.

Funnily enough I enquired about getting the DSG boxed MK2 Octavia vRS remapped by Jabba Sport but they said the gearbox was not built to withstand the increase in power, better to go for the manual. Therefore we could assume even the fabbled VW offering is not able to withstand even small increases.

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