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anotherGT2
Watkins Glen


Joined: 17 Jul 2008
Posts: 2023
Location: Staffordshire

2008 Porsche 997 GT2

PostPosted: Tue Mar 15, 2011 3:10 pm    Post subject: Reply with quote

911Thrasher wrote:
I was out at Bedford today - great great sunny day

On the second picture you can see the coach pointing out to me the apex and until when to hold the inside of the turn Wink
Amazing how much these guys can actually push you further than you think the car can go - definitely worth the £25 per session!







I was there yesterday, your car looked great, thought it was a mere GT3 with RS wing at first due to the colour and lack of decals Very Happy


Yesterday would have been perfect for beginners, plenty of space on track and great weather, good standard of driving aswell, apart from that black GT3 gen 2 upset a few people I heard!
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floatingkiwi
Newbie


Joined: 06 Oct 2012
Posts: 38



PostPosted: Sun Mar 17, 2013 9:33 pm    Post subject: Want to do the occasional trackday - aware of anything? Reply with quote

Hi All

I'm planning to do the occasional track day, maybe 1-2 a year in Taupo, NZ. Ambient temps anything from 5-25 degC. Is there anything I need to be aware of before I do? i.e anything apart from having reasonably new oil, brake fluid etc. Do I need to be aware of any oil starvation issues, is there anything I really " should be doing" before tracking the car? tyres will be standard ones. I'm not a really good driver by any stretch....

Cheers

Matt
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NXI20
Paul Ricard


Joined: 02 Feb 2008
Posts: 3360
Location: South Bucks

2004 Porsche 996 GT3 Mk2

PostPosted: Sun Mar 17, 2013 9:55 pm    Post subject: Reply with quote

Aside from sensible prep beforehand, you need to keep an eye on tyre pressures. If you're using standard road tyres, I would aim for not more than 34F 38R measured when hot. Tyre wear will be considerable if they are allowed to go too much above those pressures.

Build up speed slowly, pace yourself & the car. 20 minute stints is a good starting point. Keep yourself hydrated to maintain concentration.

Remember to do a cool-down lap to allow the brakes to cool & then stop the car & leave in gear without the handbrake on.

Good luck Thumb
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orangecurry
Donuts For Windows


Joined: 13 Mar 2008
Posts: 9618
Location: West Sussex


PostPosted: Sun Mar 17, 2013 10:29 pm    Post subject: Reply with quote

...nor sit stationary with the footbrake on when you come in.

It's worth putting a decent brake fluid in the system, say Motul RBF600, which works on road and track.

Buy a decent helmet - you only have one head.
 
  
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GD
Barcelona


Joined: 20 Jun 2007
Posts: 1280
Location: Surrey-ite

2008 Porsche 997 Targa

PostPosted: Tue Mar 19, 2013 8:53 pm    Post subject: Reply with quote

After the helmet, insurance is next on the priority list!!
 
  
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spyderman
Suzuka


Joined: 26 Jul 2009
Posts: 1094
Location: near Milton Keynes


PostPosted: Tue Mar 19, 2013 10:30 pm    Post subject: Reply with quote

I've only once had oil starvation with my 986 on track and that was Rockingham (banked for part of the circuit) so I don't think you need to worry about that. Boiling brake fluid could well be a problem though - depends on how fast you are and your braking style.
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Igurisu
Montreal


Joined: 14 Jan 2013
Posts: 544
Location: Lancashire

2004 Porsche 996 Turbo

PostPosted: Tue Mar 19, 2013 10:57 pm    Post subject: Reply with quote

More general stuff, tyres and brakes, these get worked much harder on track than on the road.

I did my first track days last year, did one in April and loved it and ended up going for two more. Biggest mistake the first time was staying out on track too long (I was having so much fun).

With standard tyres and pads/fluid, the tryes went off after 5 or 6 laps, this will vary from track to track. But staying out on them once they've gone off makes the cornering rubbish and wears the outer edges incredibly fast.

Standard brakes also went off quickly for me (6 or 7 laps), but again will depend on the track. So on my first track day by lap 9 or 10 I really wasn't achieving much due to lack of traction from tyres and lack of stopping power from the brakes.

Second day was much better, did a max of 6 laps in a session including a warm up and cool down lap.

Third day I fitted dot 5 brake fluid and EBC yellowstuff pads, stuck to my 6 laps and I think I had a good balance.

Most importantly, don't be pushed or goaded into driving at speeds you're not comfortable with, go at your own pace Smile
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york911T
Trainee


Joined: 01 Oct 2009
Posts: 60



PostPosted: Sat Mar 30, 2013 9:30 am    Post subject: Reply with quote

+1

Finding the limit of your 911 is a very unforgiving experiment. You can push an m3 to its limit and when the rear lets go its very predictable and easily fixed. something like this: "GRIP GRIP GRIP! IM GOING TO LET GO IF YOU DO THAT! THATS IT IVE LET GO! BUT PROD THAT ACCELERATOR AND CORRECT THE WHEEL AND I'M ALL YOURS"

abusing a 911 in the same way will result in one sure thing - planting it in a tyre wall or worse. Everytime you find yourself pushing the car, getting faster faster and getting more confident is probably the best time to bring it back to the paddocks! The 911 is an all or nothing car ie GRIP GRIP GRIP, THEN NO GRIP. THERE's not really any between, and because if where the engine is, it is not easily fixed unless you at pro level and have tamed your beast. If you want to find the boundaries - pick a track with plenty of run off or an airfield. That way when the tyres let go - you won't be sticking it on trailer back to the body shop for a very expensive repair not covered by insurance.

I don't push it in the corners but I can vouch for investing in Sort Cups tyres - worth every penny and will see you managing those corners far quicker than road tyres with less risk of letting go unexpectingly.
 
  
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Martian
Sepang


Joined: 18 Mar 2009
Posts: 2913
Location: Bury St. Edmunds

2007 Porsche 997 Turbo

PostPosted: Sat Mar 30, 2013 11:58 am    Post subject: Reply with quote

york911T wrote:
..... The 911 is an all or nothing car ie GRIP GRIP GRIP, THEN NO GRIP. THERE's not really any between.......


Laughing Maybe this is the case for a 911 pre 1989, but a properly geo'd car post '89 will not be. The cars got better with every incarnation and certainly a 997 doesn't just throw you off when the tyres start to lose grip!
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Martian
Sepang


Joined: 18 Mar 2009
Posts: 2913
Location: Bury St. Edmunds

2007 Porsche 997 Turbo

PostPosted: Sat Mar 30, 2013 12:11 pm    Post subject: Reply with quote

york911T wrote:
....I don't push it in the corners but I can vouch for investing in Sort Cups tyres - worth every penny and will see you managing those corners far quicker than road tyres with less risk of letting go unexpectingly.


You don't push it in the corners? Sounds like some training wouldn't go amiss! 911s are great in corners, especially for traction on the way out.

And yes, Sport Cups are also road tyres and good in the dry but not so good in the wet. Sport Cups are good, but I think the best dry tyre is a Toyo 888 and wet/all weather a Pilot Super Sport.

The OPs 997 will not spit him off once the limit has been found, just get the car geo'd and make sure all the tyres/brakes/levels are up to the job.

Go and have a hoot. Very Happy
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T8
General
General


Joined: 29 Jun 2010
Posts: 15277
Location: Kent


PostPosted: Sat Mar 30, 2013 12:13 pm    Post subject: Reply with quote

Martian wrote:
york911T wrote:
..... The 911 is an all or nothing car ie GRIP GRIP GRIP, THEN NO GRIP. THERE's not really any between.......


Laughing Maybe this is the case for a 911 pre 1989, but a properly geo'd car post '89 will not be. The cars got better with every incarnation and certainly a 997 doesn't just throw you off when the tyres start to lose grip!


Pop Corn

...... as iirc you both have the same car.
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orangecurry
Donuts For Windows


Joined: 13 Mar 2008
Posts: 9618
Location: West Sussex


PostPosted: Sat Mar 30, 2013 12:24 pm    Post subject: Reply with quote

york911T wrote:

Finding the limit of your 911 is a very unforgiving experiment. You can push an m3 to its limit and when the rear lets go its very predictable and easily fixed. something like this: "GRIP GRIP GRIP! IM GOING TO LET GO IF YOU DO THAT! THATS IT IVE LET GO! BUT PROD THAT ACCELERATOR AND CORRECT THE WHEEL AND I'M ALL YOURS"

abusing a 911 in the same way will result in one sure thing - planting it in a tyre wall or worse.


My experience is very different from the above.

My 993 is set-up to oversteer not understeer, and it gives me plenty of warning, and is very progressive and controllable when grip has departed.

Oh not that photo AGAIN.... Grin

(I am on Bridgestone S-02, a very well regarded track-biased tyre.)

Deliberately provoked to get the back out coming out of the chicane at Goodwood.



...and almost at full lock, keeping the accelerator feathered

 
  
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Speedtrap
Spa-Francorchamps


Joined: 20 Mar 2011
Posts: 254
Location: London


PostPosted: Sat Mar 30, 2013 9:09 pm    Post subject: Reply with quote

One VERY important thing is make sure you tighten up your wheels nuts after a track day; or at least check to make sure they are not loose (from experience). Thumb
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AeroAnt
Silverstone


Joined: 20 Nov 2012
Posts: 141



PostPosted: Fri Apr 05, 2013 10:13 pm    Post subject: Reply with quote

Did my first 911 track day a couple of months ago. My brakes/fluid went off after about 6-8 laps as did the tyres RE50A's. I have just had Pagid Rs29's and Super blue fluid put in for my next track day this month.


I think Cups/Corsa's/888 would be good to have.

Completely agree with the wheel nut thing... nearly completely lost a wheel on the 'ring in my old 335i Surprised
 
  
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floatingkiwi
Newbie


Joined: 06 Oct 2012
Posts: 38



PostPosted: Sat Apr 06, 2013 9:02 pm    Post subject: Reply with quote

Just did my first day, it was bl))dy awesome is all I can say! Car performed flawlessly, didn't use any oil over a whole raft of afternoon sessions. Struggling for front grip all day but I suspect tyre pressures were still too high at 36F 40R hot. Oil temp got up to around 110DEgC at the hottest point (don't know how that compares). Need new front pads...

Brakes have got SRF fluid in them - didn't have any brake fade at all. In fact the faster I went the better they got.

Fantastic car.

Matt
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Martian
Sepang


Joined: 18 Mar 2009
Posts: 2913
Location: Bury St. Edmunds

2007 Porsche 997 Turbo

PostPosted: Sat Apr 06, 2013 9:10 pm    Post subject: Reply with quote

Glad you had a good trackday, SRF fluid is the best. Smile

The best pads, although expensive, are made by a company called 'Endless'. They last about 5 times as long as standard stuff, brake harder but are about 2 or 3 times more expensive.

http://www.endless-brake.info/
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GregR1
Silverstone


Joined: 17 Aug 2013
Posts: 124



PostPosted: Wed Nov 13, 2013 10:08 pm    Post subject: Track Day Preparation ? Reply with quote

Hi guys,

My first trip in the 997 has been booked, five days, three tracks (as above) in June '14.

Ive done a few trackdays in the past, Le Mans, Zandvoort, Dijon, Ledenon etc etc on the continent so i can do the driving, but what parts am I likely to need to take for the trip?

The car is a 997 C2 which will be on new rubber and brake discs/ pads, but I'll take new pads, brake fluid and oil. Anything else? When does fade typically set in on these tracks on standard stoppers?

Cheers
 
  
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nick w
Zolder


Joined: 02 Feb 2009
Posts: 5173
Location: Kent

2010 Porsche 997 GT3 RS

PostPosted: Wed Nov 13, 2013 10:31 pm    Post subject: Reply with quote

Brake fade....when is it going to kick in....easy answer is when you're trying
hard !!!....and if you're the last of the late brakers, and you're coming down
from big speeds (130mph +) you'll start encountering fade sooner rather than later.

My first year of tracking, I was the undisputed master of not knowing what
the peddle in the middle did...so consequently I seldom encountered brake
fade or brake dust. In a standard car running standard discs and pads, when
you start to encounter fade you'll need to come in and give them a rest. Just
don't forget your ''cooling down lap'' and do not apply the handbrake when
you're parked up...just leave it in gear !.

Gt cars have brakes which are pretty special, most of us are running non
standard rotors and pads which don't suffer the same fade levels as standard brakes.... Wink


Don't forget your Autoglym insect remover....
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GregR1
Silverstone


Joined: 17 Aug 2013
Posts: 124



PostPosted: Sat Nov 23, 2013 1:33 pm    Post subject: Track day Prep Reply with quote

Hi guys

Posted this query up in the trackday section but got surprisingly few responses. I have done a lot of track days in the past but I'm taking the 997 on a Euro jaunt next year to Spa and Zolder. I'm doing a mental checklist of all the things I need to do pre-trip to make sure I don't come a cropper mechanically.

The car has just had a major service and is about to get the coil packs, RMS replaced and a new clutch. Tyres will be replaced (road rubber rather than extra sticky track rubber) shortly and the front suspension was overhauled 12 months ago. Any other potential weaknesses that will be shown up by a long trip to Europe and two days of thrashing? Obviously I'll have oil, brake fluid and pads, but should the (new, OEM) discs manage to hack it?

Thanks in advance - looking forward to doing it in a car with aircon this year rather than the trip to Le Mans and Dijon in an Elise this year!

Greg.
 
  
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Maxie
Yas Marina


Joined: 11 Mar 2007
Posts: 8391
Location: London


PostPosted: Sat Nov 23, 2013 2:04 pm    Post subject: Reply with quote

Greg - you might want to post up in the GT forum as the guys over there do a lot of track days than the the ones on the 997 forum.

~ Maxie
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