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Differences between 997 GT2 and GT2RS

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  #1  
Old 03-29-2011, 10:46 PM
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Differences between 997 GT2 and GT2RS
Is there any comprehensive info on this?

One thing I do know is that the weight of the GT2RS (~150lb less thank the GT2) is widely marketed with the free A/C delete which accounts for about 75lb.
 
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Old 03-29-2011, 11:11 PM
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FWIW, part numbers for pistons and conrods are different on the RS. Turbochargers are the same.
 
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Old 03-29-2011, 11:23 PM
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Interesting! Same compression ratio?
 
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Old 03-29-2011, 11:33 PM
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997 GT2 has a compression ratio of 9.4:1

The GT2 RS has a compression ratio of 9.0:1
 
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Old 03-29-2011, 11:56 PM
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Originally Posted by bbywu
FWIW, part numbers for pistons and conrods are different on the RS. Turbochargers are the same.
Do you have the part numbers for the pistons? I'll see if they cross reference.
 
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Old 03-30-2011, 12:33 AM
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During the past,I ve checked some parts for Bob and If i recall correct pistons were different...As for rods I am almost sure they differ...
 
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Old 03-30-2011, 12:57 AM
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Originally Posted by skandalis447
During the past,I ve checked some parts for Bob and If i recall correct pistons were different...As for rods I am almost sure they differ...
The catalogue usually specifies differences. I assume these are Mahle? Anyway no biggy.
 
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Old 03-30-2011, 01:04 AM
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PET doesnt specify brands...just different part numbers!
 
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Old 03-30-2011, 02:14 PM
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Originally Posted by bbywu
997 GT2 has a compression ratio of 9.4:1

The GT2 RS has a compression ratio of 9.0:1
I thought 996TT/GT2 were 9.4 rated and 997TT/GT2/RS 9.0 ?
 
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Old 03-30-2011, 02:20 PM
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Originally Posted by K24F
I thought 996TT/GT2 were 9.4 rated and 997TT/GT2/RS 9.0 ?
My error, you are correct.

http://press.porsche.com/news/pdf/2008_GT2_Specs.pdf
 
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  #11  
Old 03-30-2011, 02:21 PM
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Originally Posted by bbywu
FWIW, part numbers for pistons and conrods are different on the RS. Turbochargers are the same.
We had one on the lift here for a little while and the turbochargers are different. Our initial impression is that they're the VTG's off the .2 turbo, or very similar in size. We didn't have enough time with the car to really "explore"

Originally Posted by bbywu
997 GT2 has a compression ratio of 9.4:1

The GT2 RS has a compression ratio of 9.0:1
Correct on that one.

Don't quote me on this one, but I *think* the intake manifolds are different too. Again, not sure...
 
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Old 03-30-2011, 02:27 PM
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Originally Posted by Tom@Champion
We had one on the lift here for a little while and the turbochargers are different. Our initial impression is that they're the VTG's off the .2 turbo, or very similar in size. We didn't have enough time with the car to really "explore"



Correct on that one.

Don't quote me on this one, but I *think* the intake manifolds are different too. Again, not sure...
Hi Tom...

I thought the turbochargers for the GT2, 997.2TT and GT2RS are all the same?

b
 
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Old 03-30-2011, 04:25 PM
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Originally Posted by Tom@Champion
We had one on the lift here for a little while and the turbochargers are different. Our initial impression is that they're the VTG's off the .2 turbo, or very similar in size. We didn't have enough time with the car to really "explore"



Correct on that one.

Don't quote me on this one, but I *think* the intake manifolds are different too. Again, not sure...
Well the part number of the intake manifold is different but my tuner has seen them next to each other and they looked absolutely the same with standard aluminum GT2! I wish someone would know if there is really any difference really in the RS intake..
 
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Old 03-30-2011, 07:19 PM
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From another angle,



On Cars.com there are:
  • a new RS for ~$273,000,
  • an '09 (600 miles) for ~$182,000 and
  • an '08 (16 miles)for ~$180,000.
Is the new RS really worth almost $100k more from its predecessors... from a technological & performance standpoint?

In case I hit it big , I need to plan...
 
Last edited by Alcav5; 03-30-2011 at 07:22 PM. Reason: indicated wrong web site...
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  #15  
Old 03-30-2011, 07:29 PM
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There is no question that the RS is a special car.

I guess my point is that for 110-130K + a flash isn't an GT2 close enough?
 
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