997 Turbo / GT2 2006–2012 Turbo discussion on the 997 model Porsche 911 Twin Turbo.
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Ruf RT12R

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  #61  
Old 03-07-2011, 10:24 AM
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Originally Posted by bbywu
I stand corrected - thank you for posting this. Did they mention which engine is being mated with the PDK transmission? Because if they are now using the A91, it is a departure from their current RT12S http://www.ruf-automobile.de/en/Rt-12-S.526a2.php



bob
RUF isn't tied to Porsche's transmission choices, for example with that V8 they're using Aisin's 7 (?) spd transmission which isn't used in any PAG model.
And remember that RUF used PDK in road cars when Porsche had them only in GT1's ( IIRC ) in 1990's.
 
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Old 03-08-2011, 02:15 AM
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Originally Posted by 997 GT3 RS/TT
beautiful

nice rear bonnet

I know the guy who spent some time on the dyno working on 750 engine at ruf facilities.

I know him too! He sent me the package a couple of weeks back...very smart guy!
 
  #63  
Old 03-09-2011, 03:03 AM
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Originally Posted by bbywu
I stand corrected - thank you for posting this. Did they mention which engine is being mated with the PDK transmission? Because if they are now using the A91, it is a departure from their current RT12S http://www.ruf-automobile.de/en/Rt-12-S.526a2.php



bob
Dear Mr. Rahman,

we take for the new Rt 12 S PDK the engine with fuel direct injection.

Best regards

RUF Automobile GmbH
Norbert Grabotin

Thats what he sent
 
  #64  
Old 03-09-2011, 08:15 AM
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I thought maybe Ruf had figured out some structural changes to shoe horn the PDK transmission into a car equipped with the old block.
 
  #65  
Old 03-10-2011, 04:16 AM
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Strange, I have never seen any Rt12 or Rt12 S with PDK only manual and that is the only gearbox I thought was available.

The Rt12S did same 0-300 km/h as GT2RS in a duel test in German Autobil Sportscars, but had a significantly higher top speed, 360 or 365 km/h I beleive.

The Rt12S is much better for everyday driving since the Gt2RS is too hardcore for everyday driving. This is along the lines of what Alois said as well when I talked to him last week in Geneva.

Rt12R is manual, 120 kg ligter, carbon hoods and roof and lighter rollcage. This particular one at Geneva did have Xenon delete etc for lightess. See it here:

<iframe title="YouTube video player" width="853" height="510" src="http://www.youtube.com/embed/2c80egS8o8M" frameborder="0" allowfullscreen></iframe>
 
  #66  
Old 03-14-2011, 06:54 PM
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Did they? Wow, which models?

Originally Posted by pete95zhn
And remember that RUF used PDK in road cars when Porsche had them only in GT1's ( IIRC ) in 1990's.
 
  #67  
Old 03-15-2011, 02:23 AM
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Sorry, it wasn't PDK, but EKS:

When we were at Ruf's we drove their second 993 BTR prototype, which has his EKS (Electronische Kupplung System) or in plain English an Electronic Clutch System. Alois Ruf had told me about this system almost two years ago in January 1993 when we met at the Porsche clubs Thunder Tech in Tampa Florida. At the time he was very enthusiastic about the system and I must admit I was not overly impressed with the concept, because I found myself lumping it together with the Sportomatic and Tiptronic transmission of Porsche.
The Ruf cars with the EKS have no clutch pedal and are similar in operation to the transmissions used in the modern Formula 1 cars. The clutch operation is controlled by electronic signals from a computer controlling hydraulic control circuits. The system responds to several different sensors: a gas pedal sensor for throttle position, a torque sensor in the gearshift lever so that it knows when you want to shift, and engine and car speed sensors. From the signals from these different sensors the EKS computer decides when and how to engage or disengage the rather conventional single plate clutch through a hydraulic actuator that moves the clutch throw out bearing. The EKS system is manufactured by the Sachs company and Ruf was their first customer and has helped Sachs to develop the system.

http://www.911handbook.com/articles/f_rufcar.html
 
  #68  
Old 03-15-2011, 03:16 AM
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Does anybody know if the PDK on the RT12 S is the standard Porsche PDK box or is it upgraded?
Also, if it is upgraded, would Ruf be willing to sell the PDK upgrade separately?
 
  #69  
Old 03-15-2011, 04:25 AM
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Originally Posted by k_ddsl
Does anybody know if the PDK on the RT12 S is the standard Porsche PDK box or is it upgraded?
Also, if it is upgraded, would Ruf be willing to sell the PDK upgrade separately?
Norbert Grabotin
Sales / Marketing

You can email him, he's a nice bloke, i'll private message his email to you
 
  #70  
Old 03-15-2011, 08:00 AM
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For the record I have never seen any Rt12 with PDK, Alois even says thta it is not possible in this video from last year: http://www.youtube.com/watch?v=-rOZKep8Drc
 
  #71  
Old 03-15-2011, 01:25 PM
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Originally Posted by Gustav
For the record I have never seen any Rt12 with PDK, Alois even says thta it is not possible in this video from last year

Its not that it's not possible, its just that they're trying to be stubborn about it by sticking to manuals. But if your running a business, you have to meet customer demands to make money, if that means pdk Rufs, then so be it
 
  #72  
Old 03-16-2011, 12:39 AM
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Originally Posted by rayman89
Norbert Grabotin
Sales / Marketing

You can email him, he's a nice bloke, i'll private message his email to you
Thanks bro. Got your PM. I'll email him and report back my findings.
 
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