996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Finally got some Dyno results.... road course set up

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Old Jan 11, 2015 | 05:48 PM
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Originally Posted by z06801
Can't go wrong there, My gearbox feels great that he just built. Les at Airpower Racing here at Miller told me that he is also he is one of the most talented drivers and racing coaches he knows. If you run on DOTs you would be close to NASA TT1.
Chris is the most talented and fastest driver I've ever had a chance to run with. He's absolutely amazing to watch behind the wheel. He's the one that has set up my whole car and I've gotten quite a bit of coaching from him. If you ever get a chance to hop a ride with him, do so. It's an eye opener. I remember the first time I rode along with him in his Cup car.....

On DOTs, With stock RUF street aero, the car's run 1:55:17 at HPR where the TT1 and TTU record is held by an ACR Viper at 1:55:26 and 1:55:88. Very few cars break 2 minutes at that track. Chris has run a 1:53:6 in his modded 997GT3 on Pirelli slicks which is just a mind boggling time. He will be making some changes to my car and feels confident we should be able to get in to 1:53s fairly easily even on DOTs.. Should be fun... The plan is for all of us to make it out to Miller this year for the club race. If you ever get the itch to come down and run with us, please let me know.
 

Last edited by pwdrhound; Jan 11, 2015 at 09:11 PM.
Old Jan 11, 2015 | 06:27 PM
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Excellent statement Pwdrhound.


Chris is amazing but, Chris has help you to some extent and you in turn, helped me become a better driver at the track. You, have taken his driving skills with your car to another level!


Chris runs a 2.03 in a fricken 99' boxer, at the same track that, I run a 2.03 in a tuned 997 turbo, while you, 1.55 with this setup.


Thankfully this nuthead (Chris Cervelli) set my car up prior to my best time. BTW(" Cervelli technical" kills it.) I would trailer my car to this guy for his advice and setup.!


At the track, I only am concerned about guys that have actually found this guy, "Cervelli." This is my competition for sure!

I think we need to understand what "pushing it to the limits" really means. This is where your best track time lay.


As far as you engine goes, you should be proud dude, I wouldn't ask for more unless you knew exactly how you would handle it.
 
Old Jan 11, 2015 | 06:30 PM
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Congrats,,Very nice HP curve,,thats a real good line with no dip..
 
Old Jan 11, 2015 | 07:03 PM
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Originally Posted by elite1
excellent statement pwdrhound.


Chris is amazing but, chris has help you to some extent and you in turn, helped me become a better driver at the track. You, have taken his driving skills with your car to another level!


Chris runs a 2.03 in a fricken 99' boxer, at the same track that, i run a 2.03 in a tuned 997 turbo, while you, 1.55 with this setup.


Thankfully this nuthead (chris cervelli) set my car up prior to my best time. Btw(" cervelli technical" kills it.) i would trailer my car to this guy for his advice and setup.!


At the track, i only am concerned about guys that have actually found this guy, "cervelli." this is my competition for sure!

I think we need to understand what "pushing it to the limits" really means. This is where your best track time lay.


As far as you engine goes, you should be proud dude, i wouldn't ask for more unless you knew exactly how you would handle it.

+1000
 
Old Jan 12, 2015 | 09:40 AM
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Originally Posted by pwdrhound
Chris is the most talented and fastest driver I've ever had a chance to run with. He's absolutely amazing to watch behind the wheel. He's the one that has set up my whole car and I've gotten quite a bit of coaching from him. If you ever get a chance to hop a ride with him, do so. It's an eye opener. I remember the first time I rode along with him in his Cup car.....

On DOTs, With stock RUF street aero, the car's run 1:55:17 at HPR where the TT1 and TTU record is held by an ACR Viper at 1:55:26 and 1:55:88. Very few cars break 2 minutes at that track. Chris has run a 1:53:6 in his modded 997GT3 on Pirelli slicks which is just a mind boggling time. He will be making some changes to my car and feels confident we should be able to get in to 1:53s fairly easily even on DOTs.. Should be fun... The plan is for all of us to make it out to Miller this year for the club race. If you ever get the itch to come down and run with us, please let me know.
HPR Looks like a really fun track, would love to run it sometime. I think you would like Miller also, for that race weekend they usually run the full track 4.5 miles. Good luck on the build! The motor has to come out of my ST1 corvette here soon to figure out the oil pressure trouble, hoping to have it ready for the first race.
 
Old Jan 13, 2015 | 11:29 AM
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looks solid
 
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Old Jan 14, 2015 | 01:32 PM
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Goodness! Those are some serious turbo's! And I like that peak hp near redline too.

Can you list parts on your motor rebuild? I'd love a 7400 rpm redline and/or that GT2 RS gearset.

That thing is gonna fly on the front straight at Miller! You got wings and stuff yet?
 
Old Jan 14, 2015 | 02:59 PM
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Originally Posted by heavychevy
Goodness! Those are some serious turbo's! And I like that peak hp near redline too.

Can you list parts on your motor rebuild? I'd love a 7400 rpm redline and/or that GT2 RS gearset.

That thing is gonna fly on the front straight at Miller! You got wings and stuff yet?
Hey Dez,
Right now it's stock RUF street aero I'll have a Cup wing on the car before the start of the season. Also gonna add some canards on the front. RUF is using those on the CTR now. The RUF front aero is very good and doesn't need much as it already has a splitter and the air is vented over the hood. For the engine rebuild, we are keeping the existing UMW Turbos/injectors and RUF intake system. As far as the parts list on the rebuild goes, we are swapping in the following:

GT3RSR crankshaft and oil pump
GT3 crank pulley
3.8 Mahle Motorsport pistons and liners
Pauter Rods
Valvetrain upgrades
Walbro 450 fuel pump
Titanium 3" exhaust

Clutch was replaced this past year with the 764/4.0/964 kit so nothing to change there. Gearbox is getting the 7GT2 1-3 main shaft and a 996 Cup selector lever.

Engine was removed yesterday and it is currently fully disassembled. No real problems with the engine. IMS thrust bearing showed some wear and that is the source of the elevated copper readings on Blackstone. Crank thrust bearings also showed some wear due to the clutch interlock (the interlock has recently been removed which allows you to start the car with clutch released just like on all the ROW cars). I would advise anyone to do the same and wish I would have done it a long time ago. Rod bearing showed a little distress but nothing major. Valve guides showed some wear. Everything else was like new.. You could still see the cross hatching on the cylinder sleeves.

We're waiting on a few items but once everything is in, should take a few days to get the motor back together.

Cheers...
 

Last edited by pwdrhound; Jan 15, 2015 at 11:35 PM.
Old Jan 14, 2015 | 04:26 PM
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How many miles on that car? Great that it looked so good inside after all this time and that much power going through it.
 
Old Jan 14, 2015 | 04:56 PM
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Originally Posted by heavychevy
How many miles on that car? Great that it looked so good inside after all this time and that much power going through it.
Just a tick over 50k miles and 110hrs track..
 
Old Jan 14, 2015 | 09:25 PM
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Looking forward to seeing how this goes. i think the fastest time for any TT car at HPR is Chris Mayfield in his TT3 BMW at 1:53. He is two time Nasa National Champion and will probably go faster this year with new front aero on his car. Should be a fast RX7 and evo in TT2 that will probably be around the same times as well. Hopefully in the next couple years I'll make the jump to TT and join you out there, but first need to get someone to help me set up my suspension.
 
Old Jan 14, 2015 | 10:25 PM
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Originally Posted by Ken7258
Looking forward to seeing how this goes. i think the fastest time for any TT car at HPR is Chris Mayfield in his TT3 BMW at 1:53. He is two time Nasa National Champion and will probably go faster this year with new front aero on his car. Should be a fast RX7 and evo in TT2 that will probably be around the same times as well. Hopefully in the next couple years I'll make the jump to TT and join you out there, but first need to get someone to help me set up my suspension.
Come on out. Should be fun. I'm gonna run NASA this year. I've seen Chris Mayfield out there. I think he runs the red BMW that is full on gutted race car. Not street legal. Overall NASA best is his 1:54.59 according to NASA records. Here is Chris Cervelli in his street GT3 at 1:53.6 on Pirellis slicks. Crazy fast....

 
Old Jan 14, 2015 | 10:33 PM
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Originally Posted by pwdrhound
Come on out. Should be fun. I'm gonna run NASA this year. I've seen Chris Mayfield out there. I think he runs the red BMW that is full on gutted race car. Not street legal. Overall NASA best is his 1:54.59 according to NASA records. Here is Chris Cervelli in his street GT3 at 1:53.6 on Pirellis slicks. Crazy fast....

RUF Rturbo at HPR on 5/23/14 chasing modded 997GT3 - YouTube


LOL, I remember watching you two battle. I actually had blood dripping off my ear due to Chris's car.


Your 1 lap following Chris, is like me trying to follow you for a 1/2 lap.


It really amazes me how Chris can gain time in every corner.
 
Old Jan 14, 2015 | 10:47 PM
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Originally Posted by elite1
LOL, I remember watching you two battle. I actually had blood dripping off my ear due to Chris's car.


Your 1 lap following Chris, is like me trying to follow you for a 1/2 lap.


It really amazes me how Chris can gain time in every corner.
He is not a passive driver. Lol. That was a fun day for sure!
 
Old Jan 14, 2015 | 11:19 PM
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Originally Posted by pwdrhound
Come on out. Should be fun. I'm gonna run NASA this year. I've seen Chris Mayfield out there. I think he runs the red BMW that is full on gutted race car. Not street legal. Overall NASA best is his 1:54.59 according to NASA records. Here is Chris Cervelli in his street GT3 at 1:53.6 on Pirellis slicks. Crazy fast....

RUF Rturbo at HPR on 5/23/14 chasing modded 997GT3 - YouTube
He has the TT3 record at Miller just for reference. I think that it is was around 2:03.xx outer loop, a crazy time for a TT3 car. My ST1 Z06 runs 1:57.xx, full race build of course, but it is a horn button away from being street legal.
 


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