AllanJ

easy...they said "two-year limited warranty". The limit is no track use because they know people will leave the TC/SC on and boot it, effectively riding the brakes all the time at crazy track speeds and unfortunately the brakes can't take it.

Z06

I had a Z06 with almost the same torque as the GT2, on the rear was a cheap rotor with a one piston caliper...never...NEVER had these problems! Plus I beat on it pretty hard, harder than the GT2.

On the GT2 I am very smooth on the gas and on the brakes......still get sand and grit on the wheels after lapping....computer settings are too sensitive.
I am using the stock pads.

MJones

PCCB replaced by Steel...seems that the underlying problem will remain

crispenigl

I found for me on my gt3 that TC eats the pads and thus the rotors very quickly.

I am always TC off on the track now. Its an amazing difference in wear rate on the rear pads/rotors without TC on.

I think TC activates some times without the light flickering....

crispenigl

That is interesting. Why are the thicker track pads harder on the rotors? I thought it was made of the same material, just more of it to absorb more heat.
I guess that was wrong?

sws1

They are not just thicker. It's different material as well. Hence, the lack of cold stopping power.

cgomez

Rears are the same compound but thicker. Fronts are different compound and wear slower than OEM but will make your rotors last less.

997gt3north

This is not correct - I'm on my 3rd set of P50 "green" pads. The rears are by visual (looking at them as I type) identical front and rear and both are substantially different in appearance than the stock pads in material and thickness

Your statement 'may' have been true for the 996 version of the pads but the 997 'greens' are different

I have concluded that even 997gt3 TC while ON will fire without the light appearing all the time - I learned my lesson

That said, the rears do still wear slightly faster on a gt3 even with TC disabled as the cooling is slighly less optimal than the front (this is clearly acknowledged in the marketing material for the 2010gt3)

With everything I said above, I can clearly understand how even in 1 session someone new to a gt2 (but a 'good' driver) could easily destroy the rear pads as the SC and TC together masks what the car is doing

You spend 200k on a new car you take it to the track and of course you leave everything on the first 2 days until you 'learn' the car but with so much new to you you miss the fact that SC is firing as the car just seems glued to the road and it is easy to drive very very fast. At the end of the great day at the track you are in awe of the car (this is no 996gt2 widow maker). You drive home get up the next day look at the beauty in the garage - you back it out to clean it and then you notice that your rear pads are gone and the rear disks look like the space shuttle after a 2000c re-entry. Your wife isn't a widow but your car needs new rotors


Lesson learned

I wish I owned a white gt2

Paul

rodjac

997gt3north: That is a very good summary of what probably happened with my gt2. I am a pretty good driver(not just my own assessment) but the car has an incredible amount of torque and I was so busy the first day that I probably never saw the dash lights indication TC/SC were kicking in. I also didn't want to turn them off until I was a little comfortable with the car--rear rotors are cheaper than a new car. You pretty much got the rest of the story when I got home.

Bob Rouleau

Paul Lauzon Porsche inb Montreal has a white 997 GT2 in the showroom

997gt3north

I salute you, as does should everyone on this board, for taking it to the track.

You know have irons ($4gs worth) - think of it as a 2% insurance policy with $400 of rear pads that will keep you alive

I have 100 track days under my belt and would keep SC / TC on until you have at least 20 days in that car - $2.4k is far cheaper than $200k

A gt2 is not a gt3 and everyone here knows it.

Take your time, learn the car, every track day you will start to feel the car better and in no time you 'may' want to disable it.

F1 drivers had SC last year and when you watched the incar footage you could see it firing all the time - and these were non turbo spool cars.

What Porsche did was sell you a car that is far beyond almost every single drivers abilities and gave you SC to make it work

Use SC as an insurance policy and just slowly atune your butt to pick up its workings faster


Congrats on taking it to the track as most gt2s will never see it

Paul

cgomez

I sincerely disagree with the view of taking the GT cars to the track and drive them with TC or SC on. Take the drivers aids off and slowly make progress with your speed and understanding what happens when you exceed the traction limit on acceleration.

In my view, TC and SC are an "insurance" policy for unforeseen condtions: Black ice driving at night in the winter; having your wife drive the car for an errand and avoiding her doing a full 360 coming out of that 90 degree stop light turn or highway ramp, etc...
If you are at the track, you are 100% focused in what you are doing and the main purpose is learning how to drive that car and learning its real limits. If you make slow progress with drivers aids off, it will never surprise you (specially on the awesome 997 platform). The BIG surprise will come when you are used to drive with TC and/or SC ON and you take it off and you will realize (with a bad outcome maybe) how much more power you were feeding the drivetrain from what it really could handle.

BTW (re: rear vs front pad wear), I drove 600mi in the 2 days of back to back 8min laps at the Nordschleife in a GT3 and rear pads worn at less than half the rate of fronts (without any extra variables like TC On, the physics dont lie, even in a rear heavy 911, fronts will always make a lot more work than the rears.)

http://vimeo.com/4969424

IMHO, the "problem" with rear brakes and TC is driver abuse. Just imagine if we had a button to take on and off the rev limiter. If you chose to leave it on, will you still choose to drive 95% of the time in 1st gear driving against the rev limiter b/c it can still do 50mph in that 1st gear? (IMO, People are driving their GT2s at the track "against" the TC electronic limiter with disregard of the consequences)

Z06

Bob when I was in the market I sent them a couple of emails...they never got back to me.

A white GT2 that may be available is in Ottawa...it's an 08..pm for price info.

Z06

The choice of running with or without driver aids should not have anything to do with the car selfdistructing.
SC should be available without TC. I don't need TC...SC helps where it's needed.

rodjac

cgomez: While I admire anyone who would show up at the track with a new GT2 and drive it without TC/SC I am not one of those people. I would agree with 997gt3north. At the price of the car, it's almost unreal performance and the value of my neck I wanted to start with the control aids in place. I had a lot of track days in a 996GT3 with none of the aids and only had a couple of spins at the beginning. But this is a different animal with a lot more speed approaching the turns and I may be too timid but I took some comfort from knowing there was a computer back-up. I think that Porsche was naive to assume that a beginner in a car that cost that much wouldn't rely on TC/SC and should have paid more attention to the rear brake bias and cooling. It sort reminds me of the Nissan GTR an launch control however unfair to Nissan the comparison might be. We have this wonderful option built into the car but if you use it you will void the warranty and seriously degrade some of the car parts.