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GT3 manual a question

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Old 02-10-2018, 08:16 PM
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f4 plt
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Default GT3 manual a question

I have owned several 997 GT3's (.1 and .2) and found the transmissions to be very "notchie" (sp) and the clutch to be sharp. I have also had a GT 4 and found that transmission exceptionally smooth and the clutch while firmer than a stock 991 Carrera very comfortable and predicable. So the question to those that have driven the above, how does the 991.2 manual fit in both in shifting and clutch feel ?
Old 02-10-2018, 08:19 PM
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STALKER99
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It’s similar to the GT4.
Slightly notchier, but not vague like the standard carrera 7 speed.
Old 02-10-2018, 08:35 PM
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GrantG
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Shifter is very similar to GT4 and clutch is even lighter than GT4...
Old 02-10-2018, 08:56 PM
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Z356
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Originally Posted by STALKER99
Slightly notchier, but not vague like the standard carrera 7 speed.
Just a point of clarification. Porsche claims the shifting on the standard
(non-GT) .2 991 7 Speed manual transmission has been improved over
that of the 7 Speed manual installed on the .1 991 models. My 2017 .2
991S is surprisingly good! Probably not as good as the 911R's & .2 991
gt3's 6 Speed, but still decent...albeit with a softer clutch!



Saludos,
Eduardo
Scottsdale

PS Jack: Hope to see you & Steve F. at Rennsport VI in Laguna Seca this September!
Old 02-10-2018, 11:58 PM
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C.J. Ichiban
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the GT3.2 is incredibly different now then the 997 version, feels nothing like previous GT3's- it's super light and the boost to the clutch pedal is significant.
Old 02-11-2018, 12:02 AM
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Marv800
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Originally Posted by Z356
Just a point of clarification. Porsche claims the shifting on the standard
(non-GT) .2 991 7 Speed manual transmission has been improved over
that of the 7 Speed manual installed on the .1 991 models. My 2017 .2
991S is surprisingly good! Probably not as good as the 911R's & .2 991
gt3's 6 Speed, but still decent...albeit with a softer clutch!



Saludos,
Eduardo
Scottsdale

PS Jack: Hope to see you & Steve F. at Rennsport VI in Laguna Seca this September!

That interior is gorgeous Bro.
Old 02-11-2018, 06:33 PM
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terrybGT3MR
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Originally Posted by f4 plt
I have owned several 997 GT3's (.1 and .2) and found the transmissions to be very "notchie" (sp) and the clutch to be sharp. I have also had a GT 4 and found that transmission exceptionally smooth and the clutch while firmer than a stock 991 Carrera very comfortable and predicable. So the question to those that have driven the above, how does the 991.2 manual fit in both in shifting and clutch feel ?
The manual 991.2 shift is as smooth as the GT4, but as precise and direct as a 997.2RS - think of it like the RS with all the burrs smoothed out to remove the “notchiness” that you refer to. Then the icing on the cake is the clutch pressure - it is much lighter than the GT4 and previous GT3’s, which may feel strange at first, but after a very sort while you think why a clutch ever needs to be any heavier
Old 02-11-2018, 07:24 PM
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Needsdecaf
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Originally Posted by Z356
Just a point of clarification. Porsche claims the shifting on the standard
(non-GT) .2 991 7 Speed manual transmission has been improved over
that of the 7 Speed manual installed on the .1 991 models. My 2017 .2
991S is surprisingly good! Probably not as good as the 911R's & .2 991
gt3's 6 Speed, but still decent...albeit with a softer clutch!


Saludos,
Eduardo
Scottsdale

PS Jack: Hope to see you & Steve F. at Rennsport VI in Laguna Seca this September!
Eduardo, I recently got to drive a 991.2 manual C4S back to back with my 991.1 C2S. My car has the GT4 shifter upgrade. In addition to the shorter throw, the GT4 shifter has a spring that returns the lever to center laterally, whereas the standard shifter does not. I found that the .2 shifter to be a bit smoother but not as good as my setup. Would recommend you upgrade. It’s not hard, I DIY’d it and a dealer could do it in under two hours. Well worth it.

https://rennlist.com/forums/991/9662...carrera-s.html
Old 02-11-2018, 07:25 PM
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Needsdecaf
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Originally Posted by STALKER99
It’s similar to the GT4.
Slightly notchier, but not vague like the standard carrera 7 speed.
I wouldn’t call the standard 7 speed vauge. But it’s quite a crowded gate, given that it has FIVE forward gates, with quite narrow spacing between. The extra room between the gates on the 6 speed makes it easier to not get baulked between.
Old 02-11-2018, 07:48 PM
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mooty
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lighter than GT4 clutch...
hum....
i think my will be sold on day 2 then....
Old 02-12-2018, 04:29 PM
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pranqster
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Originally Posted by mooty
lighter than GT4 clutch...
hum....
i think my will be sold on day 2 then....
When do you get yours Mooty? Or dare I say.....When do you get your 5th 2018 GT3?

Pranqster
Old 02-12-2018, 04:38 PM
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drdonger
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Originally Posted by terrybGT3MR


The manual 991.2 shift is as smooth as the GT4, but as precise and direct as a 997.2RS - think of it like the RS with all the burrs smoothed out to remove the “notchiness” that you refer to. Then the icing on the cake is the clutch pressure - it is much lighter than the GT4 and previous GT3’s, which may feel strange at first, but after a very sort while you think why a clutch ever needs to be any heavier

Exactly how I feel after driving my car more.
Old 02-12-2018, 04:44 PM
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Jimmy-D
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Originally Posted by terrybGT3MR


The manual 991.2 shift is as smooth as the GT4, but as precise and direct as a 997.2RS - think of it like the RS with all the burrs smoothed out to remove the “notchiness” that you refer to. Then the icing on the cake is the clutch pressure - it is much lighter than the GT4 and previous GT3’s, which may feel strange at first, but after a very sort while you think why a clutch ever needs to be any heavier
This sums it up quite perfectly
Old 02-12-2018, 05:01 PM
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997rs4.0
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Light clutch is great in traffic, Will be a first for me if a light clutch feels good on track or active driving. But, Porsche always seems to change perspective on things.
Old 02-12-2018, 05:09 PM
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GrantG
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Originally Posted by 997rs4.0
Light clutch is great in traffic, Will be a first for me if a light clutch feels good on track or active driving. But, Porsche always seems to change perspective on things.
It works fine on track. It's only a little weird if you immediately change cars from one with a heavy clutch - takes a little time to acclimate. Otherwise, your muscle memory adapts (and then another car seems like its clutch is weirdly heavy when you change back).


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