997 Turbo / GT2 2006–2012 Turbo discussion on the 997 model Porsche 911 Twin Turbo.
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Old Sep 20, 2009 | 05:42 AM
  #16  
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But the PDK transmission can't handle more power. Wait and see...
 
Old Sep 20, 2009 | 07:34 AM
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Originally Posted by 911TurboS2
But the PDK transmission can't handle more power. Wait and see...
Well, that does remain to be seen and I can only imagine the backlash if that is the case.

Is there a manual option?
 
Old Sep 20, 2009 | 08:23 AM
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Originally Posted by BD-
It figures that a car topping out around 194mph will be slow to 300kph (186mph). Bit more power will take car of that.
That makes absolutely no sense at all. With 7 gears, and lightning fast shift times, Porsche should have been able to create a car that is not only fast under 120mph, but fast all the way up to maximum velocity.
 
Old Sep 20, 2009 | 01:05 PM
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Originally Posted by bbywu
That makes absolutely no sense at all. With 7 gears, and lightning fast shift times, Porsche should have been able to create a car that is not only fast under 120mph, but fast all the way up to maximum velocity.
Not really. The extra gears are more of a benefit at lower speeds where there's traditionally a larger rev gap between the gears. In the higher gears, like the old 6th, a full-bore 5-6th shift would land you at about 5500rpm anyway and power is fairly near peak at that point. The only advantage to be had is the faster change and the fact that drag has less chance to decelerate your car during the change (and of course the extra power).

Depending on how they've used the 7th gear it might even degrade 0-300kph. It's likely that the new 6th is shorter than the old 6th for better acceleration and the new 7th is bigger for economy. So the new 6th might not make it to 186mph, in which case you'll have to pull a large *** gear for the last 5, 10, 15mph. Whilst the new 'box is covering ground quicker overall, it's not necessary that it will reach the speed in question quicker.
 
Old Sep 20, 2009 | 01:43 PM
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Old Sep 20, 2009 | 02:22 PM
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Originally Posted by BD-
Not really. The extra gears are more of a benefit at lower speeds where there's traditionally a larger rev gap between the gears. In the higher gears, like the old 6th, a full-bore 5-6th shift would land you at about 5500rpm anyway and power is fairly near peak at that point. The only advantage to be had is the faster change and the fact that drag has less chance to decelerate your car during the change (and of course the extra power).

Depending on how they've used the 7th gear it might even degrade 0-300kph. It's likely that the new 6th is shorter than the old 6th for better acceleration and the new 7th is bigger for economy. So the new 6th might not make it to 186mph, in which case you'll have to pull a large *** gear for the last 5, 10, 15mph. Whilst the new 'box is covering ground quicker overall, it's not necessary that it will reach the speed in question quicker.
According to Porsche promotional Video, maximum speed is reached in 6th gear, and the 7th is for fuel efficiency. See Link @ 4.24


http://www.youtube.com/watch?v=dsuAj...eature=related

Buzz
 
Old Sep 20, 2009 | 03:26 PM
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Originally Posted by 911TurboS2
But the PDK transmission can't handle more power. Wait and see...

So was told about gt-r gearbox but look it now can be tuned to 800hp with no problems.
 
Old Sep 21, 2009 | 12:18 AM
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Originally Posted by bbywu
That makes absolutely no sense at all. With 7 gears, and lightning fast shift times, Porsche should have been able to create a car that is not only fast under 120mph, but fast all the way up to maximum velocity.
Sorry not quite get what you mean..?
Are you saying 997tt.2 PDK will be accle. slower than manual after 120MPH oR?? We all know faster high speed time requires better power/weight..The 997tt.2 only 20hp more and 20kg lighter than the 997tt.1 so what you really expecting for high speed times?PDK makes faster 0-120 time and keeps the high speed times as ok as manual.Thats all good.If anyone wants more just do what we did to the 997tt.1.Give it a tune or larger VTGs..
 
Old Sep 21, 2009 | 03:40 AM
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Originally Posted by buzz
According to Porsche promotional Video, maximum speed is reached in 6th gear, and the 7th is for fuel efficiency. See Link @ 4.24
Then it looks like there won't really be much benefit for acceleration other than the extra 20hp and faster shifts.
 
Old Sep 22, 2009 | 08:59 AM
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Originally Posted by Alex_997TT
Maybe I should get the MTM remap for my RS6, hmmmm....
I believe that they are talking about the new MTM RS6 5.0 V10 with 730hp, and not the old MTM RS6 4.2 V8 with 580hp.
 
Old Sep 22, 2009 | 09:13 AM
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Originally Posted by Tiago
I believe that they are talking about the new MTM RS6 5.0 V10 with 730hp, and not the old MTM RS6 4.2 V8 with 580hp.
They sure are and I own a stock 580PS RS6 V10 FSI twin turbo
 
Old Sep 22, 2009 | 09:29 AM
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Originally Posted by Alex_997TT
They sure are and I own a stock 580PS RS6 V10 FSI twin turbo
I wasn't aware that in US you had the new RS6. The MTM RS6-R is old news. You can see some vids of it in youtube.
 
Old Sep 22, 2009 | 09:38 AM
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As you can see from my profile location I am in the UK, not the US.

The US don't get the RS6 no...
 
Old Sep 22, 2009 | 11:11 AM
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for the record the 997.1 turbo was faster to 0-300kph at 40 seconds
 
Old Sep 22, 2009 | 11:54 AM
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Originally Posted by eclou
for the record the 997.1 turbo was faster to 0-300kph at 40 seconds
I guess we have no idea the conditions that the runs were done in, even if they were done on the same day. It would explain why the RT12S ran slower than the RT12, a 25 second car.

You would think for a magazine that Euro tuner fans consider to be gold standard, they would publish the pBox graphs.
 
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