Mitsubishi reveals Twin Clutch SST gearbox

Lancer Proto X

Mitsubishi Motors has unveiled two of the technologies that will go into the upcoming 10th in it’s generation Mitsubishi Lancer Evolution, but let’s talk about them one at a time. We’ll have a look at Twin Clutch SST (Sport Shift Transmission) first – an automated manual transmission with twin clutches much like Volkswagen’s DSG, the current benchmark for dual clutch automated manual transmission.

Much like DSG, Mitsubishi has upt the odd gears (1st, 3rd and 5th) on one clutch and the even gears (2nd, 4th, and 6th) on the other clutch. Under precise system control, the gearbox swaps between gears much faster on the upshifts as the next gear is preselected.

The Twin Clutch SST system has three shift programs – Normal, Sport and S-Sport. Normal mode like it’s namesake is for normal driving around town and highways. It uses low shift points for better comfort and fuel economy.

The Sport mode is to be used in situations like mountain driving, or whenever you need lots of engine braking, keeping the gears in lower ones for longer than normal. Shift points are also higher for more power. S-Sport mode is the mad, rapid, rev to redline mode with the fastest possible shifting.

Mitsubishi did not release the shift times for the Twin Clutch SST so we don’t really know at this moment whether it is faster or slower or equal to Volkswagen’s DSG.

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Paul Tan

After dabbling for years in the IT industry, Paul Tan initially began this site as a general blog covering various topics of personal interest. With an increasing number of readers paying rapt attention to the motoring stories, one thing led to another and the rest, as they say, is history.

 

Comments

  • eezarm (Member) on Jul 11, 2007 at 12:32 am

    nice…

    errr…can i put this in my waja, replacing the old mitsu engine?

    :D

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  • proton GL (Member) on Jul 11, 2007 at 12:40 am

    gearbox swaps between gears much faster on the upshifts as the next gear is preselected.

    ——————————————————

    so its not sequential pedal shift,

    or the best selector should be stick shift to be thrown at any gear desired. like that? like 5th to 3rd,

    anyone clarify this-

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  • nyawere (Member) on Jul 11, 2007 at 12:41 am

    Dont talk about being better than DSG, if it is on par, i will already be a happy person. If you have tried the DSG, you will know that it is the beswt piece on engineering product on the Gti. The only problem is that the DSG, (if not mistaken) can only take it up to 280bhp. It just cant handle that much power.

    Knowing full well that the evo 10 will be 280bhp and above, i would say that will be an engineering masterpiece , if it is on par with the DSG.

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  • acbc (Member) on Jul 11, 2007 at 2:39 am

    Yeah… after so long… hopefully it will land its way into the new Evo X.

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  • nmh (Member) on Jul 11, 2007 at 2:44 am

    DSG handles 1001hp on bugatti veyron…and of course with paddle shifter. Bugatti use stick shifter btw

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  • szw (Member) on Jul 11, 2007 at 3:51 am

    when did BMW making that gearbox ?

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  • mystvearn (Member) on Jul 11, 2007 at 4:15 am

    nice stuff. Same price as old one?

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  • LittleFire85 (Member) on Jul 11, 2007 at 4:50 am

    BMW is SMG gearbox.. I think is the VW invent DSG first.. VW DSG gearbox can hold until W12 engine, it just the oil and material used in the gearbox has to change.. If u check the 1.4TSI engine, the VW downgrade the DSG gearbox to hold less BHP of the engine..

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  • Dogster (Member) on Jul 11, 2007 at 6:26 am

    I will use all my savings, sell my car, house, clothes and wife to buy it , kekekekekekekeke just joking. :P

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  • aesthari (Member) on Jul 11, 2007 at 7:15 am

    Cool, pre-selected gears, sounds intelligent.

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  • Javanese (Member) on Jul 11, 2007 at 7:27 am

    @ nmh,

    Ricardo Engineering are the one who built the custom dual clutch transmission for the Veyron. It's is not the DSG that came out from VW factories (which made by Borg Warner) it's only marketed as such because VW are parent company of Bugatti. It uses soo many custom parts that calling it a "production" DSG transmission is like calling an F1cars gearbox just another AMT.

    @littlefire85,

    DSG was designed and built by Borg Warner and exclusively licensed to VW. VW help in the development and footing some of the R&D bill (I assume so much that they got an exclusive license to it). And BMW are in the process of making their own dual clutch gearbox (called M-DCT) which is being built by Getrag. I think it was posted here by Mr Tan in May or June.

    I think the SST gearbox are based on (if not sourced from) Getrag DCT as bigwigs at Mitsubishi denied that it's a DSG or a DSG derived transmission. Plus the new getrag DCT are touted to be able to handle up to 750nm of torque which is pretty logical choice for Mitsu since we know that tuners will mess with this car engine barely 1 week after it's release. You can read the research article at just-auto.com

    @eezarm,

    Nope you cant put it on you waja since it's a brand new engine (4B11T I think) based on a brand new chasis with a brand new gearbox. :)

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  • LittleFire85 (Member) on Jul 11, 2007 at 8:37 am

    Javanese, What i know VW finance most of the R&D at borg warner coz their factory produce most are gearbox transmission. If VW don't give them a lot of $$$, do u think only VW will get it? beside that, VTG turbo are also from them used in porsche turbo.. But i heard rumours that VW also have share in borg warner..

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  • nmh (Member) on Jul 11, 2007 at 8:50 am

    heard bout borgwarner-veyrontransmission-vw story. ooo tats not dsg kaa

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  • Javanese (Member) on Jul 12, 2007 at 6:00 am

    I think it's either VW got a share in BorgWarner or the members of the Porsche family had some share in it. Because we know that VW got an exclusive DSG license from BorgWarner and Porsche got an exclusive VTG license from also them. And we know who owns both company…

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  • trustgtr (Member) on Sep 07, 2007 at 2:48 pm

    gonna be one mad point to point car…with the new gbox, its gonna be even better..its time break dear old piggy bank..

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