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

Day at the track...

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Old Jul 20, 2015 | 10:26 AM
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Originally Posted by pete95zhn
In general things that make Cups different from mere mortals:

Weight: 1150 -1225 kg (996-991, dry, without the driver)
Power: 360 - 460 hp
Ride height and aero
Slicks
Sequential boxes

Least fat street cars weigh somewhere around high 1300 kgs. To get close to 997 or 991 Cup's weight/power ratio they need to have at least 500 Porsche hp. Cups still have the advantage of lesser weigh. Easier to toss around corners...

ha least that tells me my CAR might have a chance!.. with a driver of his caliber perhaps. I gotta lose weight. I throw MY car around corners and its a handful of behemoth. they are infinitely tighter than most track corners and it gets dicey.
 
Old Jul 20, 2015 | 01:31 PM
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Originally Posted by 32krazy!
ok I'm no racer but why are they able to pull away on the straightaways? i would think with 600+ hp in your car you would run them down on the straights (aren't they only about 500hp?) and they would have an advantage in the corners. but I'm seeing the opposite? you catch them in every corner yet on the long strait they seem to keep the distance.

either way its clear to me your suspension and brakes are working like clockwork!
They are not pulling on the straight Steve. Initially they have the advantage of a higher corner exit speed which slingshots them onto the straight. Couple that with a sequential gearbox which gives them an uninterrupted flow of power and a 600lb advantage and it is not an easy feat to catch them. I do start to gradually reel them in but have to back off as I don't want to get right on their bumper going into a bumpy 140mph braking zone. The street ABS on our cars sucks. They have manual brakes. They do have an advantage in cornering probably pulling 1.6Gs or greater in fresh slicks. All I can get out of my R compounds is 1.3 but have a massive torque advantage out of the slower corners which allows me to stay close. After 3 or 4 laps they do start to widen the gap as my tires start to go away when they get much over 200F. Slicks have a much higher operating temperature and retain their grip over for longer periods of time. I plan on getting a set of 245/645 and 325/660 Pirelli slicks to put down some good times later this fall. At $2400 for the set it's just hard to justify when you only get 10 runs out of them. It is however an immediate 2 seconds on a 2 mile course. Suspension wise, my set up is very similar to what's on a Cup car down to the 1400/1500 springs. 600lb weight disadvantage is very difficult to overcome however. I have switched over to a Cup 65" rear wing and that has make a tremendous difference.

With that said, the 997 and later Cups are amazing machines.....but reserved only for those that can stomach the +$3000/hr operating costs. In comparison, that makes my car down right budget friendly at around $500/hr.
 

Last edited by pwdrhound; Jul 20, 2015 at 01:56 PM.
Old Jul 20, 2015 | 01:42 PM
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C
Originally Posted by z06801
With their sequential boxes their gearing is always perfect. When I'm chasing a newer cup on a tighter turn that I'll roll though in 3rd and hold to the next corner a cup will take two quick gear changes. At the end of Miller almost mile front straight a cup will be at the top of 6th gear and I'm still pulling in 5th. Some of the newer ones have now been updated with pneumatic paddles shifting the same box and can get really deep in the corners down shifting. It's amazing what a factory race car can do with 450-500 at the crank. Staying near one no matter who's driving it is a great feat in any car that's still street legal.
Powderhound are you still coming the Miller for the PCA race?
I am. Actually it should be a group of us coming including Chris C. who will race the Spec in the Club race. That's the plan right now. The two 997Cups will be racing there also. They did very well last year. The rest of us are going to run the advanced DE. I am going to run my car, a friend of mine is bringing his 997TT, and we should have a couple of GT3s also. The RMR PCA club race is August 15/16. We are all running that one. You should come down for that, it's not that far. A great venue and the best event of the year! Always a big party Friday and Saturday night..
 

Last edited by pwdrhound; Jul 20, 2015 at 08:23 PM.
Old Jul 20, 2015 | 02:17 PM
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Originally Posted by pwdrhound
In comparison, that makes my car down right budget friendly at around $500/hr.
why i stay in my own backyard. i still have to pay attorneys

what's the one about which one ya thought would be affordable. the racing part or the porsche part.

either way, great to live vicariously thru those vids
 
Old Jul 20, 2015 | 02:32 PM
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Great driving by your part Sir, that looks like a lot of fun!!!
 
Old Jul 20, 2015 | 07:33 PM
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Nice driving, great videos! Thanks for posting about your track experiences- very interesting.
 
Old Jul 20, 2015 | 07:40 PM
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Originally Posted by pwdrhound
With that said, the 997 and later Cups are amazing machines.....but reserved only for those that can stomach the +$3000/hr operating costs. In comparison, that makes my car down right budget friendly at around $500/hr.

I was just up at Road America yesterday for the HAWK races, and admiring the GT3 cups and a 935 running in the Group 10 race- what a glorious sound. That's steep for operating costs- I had no idea!
 
Old Jul 20, 2015 | 08:11 PM
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Originally Posted by NeunElfDrehzahl
I was just up at Road America yesterday for the HAWK races, and admiring the GT3 cups and a 935 running in the Group 10 race- what a glorious sound. That's steep for operating costs- I had no idea!
Many guys will actually give you a figure closer to $5k/hr once you factor in paying for a support crew and the behind the scenes stuff to make it all happen at the track. The costs can be dizzying. One of the local guys for example shipped his 993Cup engine to Porsche for a precautionary rebuild. These cars are now worth well over $300k so he shipped it to Porsche to preserve the pedigree of the car. There was nothing wrong with the motor yet the bill he was given was just shy of $83k after disassembly. This is on an air cooled normally aspirated motor!!! I can't begin to think what the costs are to run an RSR. Just the under body paneling is over $25k from what I understand. There is no cheap off track excursion in that one. We had a guy that came out to the track this past weekend in his first 911 that he has owned, a $400K 993RSR. Man, I'm in the wrong business! lol!
 
Old Jul 21, 2015 | 08:08 AM
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nice vid, keep up good work
 
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