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

996, 997 $20000 in mods gets u to wat level?

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  #31  
Old 10-03-2010 | 06:31 PM
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GT30s and you will have great day
 
  #32  
Old 10-03-2010 | 07:44 PM
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Originally Posted by TXTurbo
FWIW..

There are many good tuners for the 997 Turbo. I would look for the one that was closest to where you live and then check here to see if they are reputable. Most of them will have a good bolt on package that's reliable. If you want to tear the motor down and go nuts then the list of tuners gets short real fast. You will also want to think about upgradability. So for example if you want to get modified VGT they will be expensive and the next upgrade may require totally different turbos, exhaust size, headers exct.. Many things may need to change. Some tuners have packages that allow you to upgrade by utilizing as much of your existing set up. They may also offer you a trade in for some of the parts. As with all of us modaholics.. Fast is never fast enough.

20K? I think you can do quite a bit for that scratch! Full exhaust, upgraded VGT's, IC's and a tune. Should be a nice 10 sec car

OR...

Just find a used 997.2 TT with PDK. It will cost you more than a 997.1 + 20 k in mods but 100% stock it's going to be very fast. Under 3 seconds to 60 and the 1/4 in 11 flat. Full warranty to boot.

If you look at tuner packages for the 997.1 you need to be in the 650 HP range to get the numbers that the stock 997.2 PDK can produce.

@everyone..Thanx for all the info guys!


whats the difference between 997.2 and 997.1..? hp? pdk?

I should use the searche button rihgt?

what year is the 997.2? Im looking at 2007 models cuz of the price..
 
  #33  
Old 10-03-2010 | 07:45 PM
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btw guys... what do u do for upgrading the tranny?

just a stronger clutch and flywheel?

does the 997 tranny hold up?
 
  #34  
Old 10-03-2010 | 07:57 PM
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997.1 3.6 engine
997.2 3.8 engine
 
  #35  
Old 10-03-2010 | 08:46 PM
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996TT P800 Alpha PKG is 800 flywheel hp for a little over 20K out the door.

997TT P700/R750 Pkg is 700/750 flywheel hp for a little over 20K out the door.

997TT engine is very stout, I may sound like a broken record to some but we ran our development car "Sledgehammer" to over 915rwhp, high 9 second 1/4 mile passes, mile runs, 4.25 second world record 60-130mph run and a 3.7 100-200kmh - ALL ON THE STOCK INTERNALS!

For the R911 package, we can make over 800whp on race fuel on the stock engine. This may or may not be in your budget.

We are currently testing our stage 1 engine upgrades for the 997TT, so stay tuned for that.

As always, contact me if you have any further questions.
 
  #36  
Old 10-04-2010 | 12:34 AM
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Originally Posted by ruf_turbo
Shotcaller, GT2 is different than 997tt internally. Doesn't GT2 use titanium rods and a couple of other strengthened parts that 997tt doesn't.

Also some of these numbers you're throwing around don't sound like whp but more like chp.

For example, the SPI 800 package is $27k and delivers 700whp. If you want to go beyond that I believe Neil would tell you that you'll have to strengthen the internals for longevity.

Proto's 871whp dyno chart was on Markski's car with GT35's and Markski has done A LOT to his car. Plus running GT35's are great for the strip but laggy for the street.
David 997 GT2 made mid 800's on wheels w/SPI $32k 911R kit
Van has Proto and SPI GT2's and both of them made mid 800whp

Plenty of 997tt ran alpha and GT kit from Proto and SPI with mid 800whp

ALL CARS ABOVE HAS BONE STOCK ENGINES!!!!

U r right SPI mid 800whp kits muchmore than $20,000 but it works awesome

Again check with Proto the cost of the alpha 3076 kit..just give him a call

That dyno is Van GT2 dyno ( he is a member overhere )...It is not Markski dyno sheet..U can also PM them if u want


thanks
 
  #37  
Old 10-04-2010 | 12:37 AM
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Originally Posted by sniperm
btw guys... what do u do for upgrading the tranny?

just a stronger clutch and flywheel?

does the 997 tranny hold up?
All u need better clutch disk, Pressure plate and LWFL is an option

Sachs clutch kit is a great choice
 
  #38  
Old 10-04-2010 | 01:18 AM
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  #39  
Old 10-04-2010 | 02:19 AM
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a Few more to Consider.

*TPC- Racing
*Championship motor sport.

If i were you, i would focus on reliability, and look for which tuner will develop your car without compromising on reliability.

The last thing you will need is to spend additional costs over your 20k on repairs and such. Our tuners here have an amazing reputation, you wount be disappointed
 

Last edited by Tiger; 10-04-2010 at 02:23 AM.
  #40  
Old 10-04-2010 | 07:37 AM
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I would never run 750-900hp on stock internals. Why do you think the new GT2RS has 620hp but only 516 TQ, over time the rods will be the weak link..They were never designed to run those power levels for years of abuse....
 
  #41  
Old 10-04-2010 | 07:57 AM
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Originally Posted by gt34me
I would never run 750-900hp on stock internals. Why do you think the new GT2RS has 620hp but only 516 TQ, over time the rods will be the weak link..They were never designed to run those power levels for years of abuse....
Excellent point, however there is ways to ease the rod's burden of 900hp through proper tuning.

Yes, it is not 600 hp, but how you achieve and manage such power is just as important as how you make it.

We do engine builds, and I do suggest them for anyone who looks to endurance race their 800+ hp 911, however most of our customers do not do such events, the effective peak HP and TQ duty cycle is 10-30% of the actual time the car is running.

Looking for a testament to our tuning and hardware reliability? Take for instance the SPI750Tiptronic that has been making runs in Russia for years. The car has been tuned for race fuel and making very close to 800hp ever since it hit their soil. They ran it from a dig or a roll, all the way up to 200mph in some cases, sometimes for weeks straight they would do this, from spring till it was sleeting on the highways. I would not be surprised if they have snow tires for it!

 
  #42  
Old 10-04-2010 | 08:13 AM
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I would highly recommend Switzer Performance Innovation, TPC and AWE, but that is because I am located on the east coast (DC area).

The first performance improvement, IMHO, is to upgrade the suspension and get the alignment perfect - there are some who are masters in this, such as Mike Levitas at TPC.

The 997.2 with the PDK transmission are very fast, but the the 997.1 have the Mezger engine - a very stout base on which to build.
 
  #43  
Old 10-04-2010 | 08:31 AM
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Originally Posted by 911TurboS2
I would highly recommend Switzer Performance Innovation, TPC and AWE, but that is because I am located on the east coast (DC area).

The first performance improvement, IMHO, is to upgrade the suspension and get the alignment perfect - there are some who are masters in this, such as Mike Levitas at TPC.

The 997.2 with the PDK transmission are very fast, but the the 997.1 have the Mezger engine - a very stout base on which to build.
+1

3.6L Engine has been tried and proved since Le Mans and the GT1.

3.8 is a relatively young block.
 
  #44  
Old 10-04-2010 | 10:44 AM
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Originally Posted by Neil Switzer
Excellent point, however there is ways to ease the rod's burden of 900hp through proper tuning.

Yes, it is not 600 hp, but how you achieve and manage such power is just as important as how you make it.

We do engine builds, and I do suggest them for anyone who looks to endurance race their 800+ hp 911, however most of our customers do not do such events, the effective peak HP and TQ duty cycle is 10-30% of the actual time the car is running.

Looking for a testament to our tuning and hardware reliability? Take for instance the SPI750Tiptronic that has been making runs in Russia for years. The car has been tuned for race fuel and making very close to 800hp ever since it hit their soil. They ran it from a dig or a roll, all the way up to 200mph in some cases, sometimes for weeks straight they would do this, from spring till it was sleeting on the highways. I would not be surprised if they have snow tires for it!

Over 12 k miles on the SPI 750 kit, 99% racing time...ZERO problems...
 
  #45  
Old 10-04-2010 | 10:55 AM
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Since we are on this topic, let me ask you guys this....

Does anyone have a 150 mph trapping 997.1 turbo, and if so, what does it cost to get there and what is the reliability of such a package? I am assuming that 150 mph car will have fully built internals, but not being very familiar with Porsches, I am wondering how a built motor will hold up at these power levels. I am in the market now (just sold my TT Gallardo) so any insight would be appreciated. Thanks.
 


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