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markturner1960
Monza


Joined: 26 Nov 2016
Posts: 215
Location: London UK

2003 Porsche 996 GT3 Mk2

PostPosted: Sun Aug 06, 2017 1:07 pm    Post subject: Porsche Owners club Donnington Track Day video Reply with quote

Here is a video from my second session of the day, instructor onboard, Donnington is such an amazing circuit, my second time there , and first track day in the GT3.

really starting to learn what these GT cars are all about now:


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James M-S
Suzuka


Joined: 11 Apr 2017
Posts: 1028
Location: Derbyshire

2009 Porsche 997 Carrera 2

PostPosted: Sun Aug 06, 2017 8:34 pm    Post subject: Reply with quote

Great vid, car sounds very purposeful!
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911UK
Porsche Community
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Joined: 15 May 2002
Posts: 10149
Location: 911UK

1997 Porsche 993 Carrera 2

PostPosted: Sun Aug 06, 2017 10:46 pm    Post subject: Reply with quote

Always good to get time with an instructor Smile

What Pads are you running ?

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FRP
Albert Park


Joined: 30 Apr 2014
Posts: 1652
Location: Middlesex


PostPosted: Mon Aug 07, 2017 5:54 am    Post subject: Reply with quote

Nice Mark, always good to drive in anger and get some expert advice
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NXI20
Paul Ricard


Joined: 02 Feb 2008
Posts: 3375
Location: South Bucks

2004 Porsche 996 GT3 Mk2

PostPosted: Mon Aug 07, 2017 6:54 am    Post subject: Reply with quote

911UK wrote:
Always good to get time with an instructor Smile

What Pads are you running ?

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I recognise the dulcet tones of Colin Hoad (CAT Driver Training) instructing Wink

He's running Alcons & RS29s but is being far too ginger on the brakes. Give them death Mark; you can brake far later & harder - I know it's a learning curve but if you can learn to trust the brakes you will improve your lap times significantly. The squeal will also disappear.
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2004 GT3 CS in Atlas Grey with too many mods to list!
1995 993 GT2 recreation in Polar Silver
2010 GT3 CS in Riviera Blue Smile
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markturner1960
Monza


Joined: 26 Nov 2016
Posts: 215
Location: London UK

2003 Porsche 996 GT3 Mk2

PostPosted: Mon Aug 07, 2017 7:30 am    Post subject: Reply with quote

Thanks everyone, glad you enjoyed. Nick, believe me, it felt like I was giving them death at the end of the back straight, could feel the ABS cutting in, so I know I was right on the threshold. You are right though, elsewhere I could be harder and later and it's my main area of improvement to work on.

When they were first fitted, 9ex left out the shims, as I said I would be doing a bit track work, and they squealed like buggery, despite some very hard bedding in. The squeal is only on the initial application, in the first few mm of pedal travel.

Since the Spanish trip, they have had it back, fitted the shims and radiused the pad edges, and it was fine for a while but resurfaced at the track day. Not as bad as before though.
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Last edited by markturner1960 on Mon Aug 07, 2017 8:51 am; edited 1 time in total
 
  
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NXI20
Paul Ricard


Joined: 02 Feb 2008
Posts: 3375
Location: South Bucks

2004 Porsche 996 GT3 Mk2

PostPosted: Mon Aug 07, 2017 7:45 am    Post subject: Reply with quote

The RS29 / Alcon combination ideally needs to have regular track action to maintain squeal-free operation. I'm surprised you're getting into the ABS, I almost never do on track. In your video, it looks to me (in the absence of a G-meter) as though you are braking with increasing force before the corner; try it the other way round where you absolutely bang into the pedal almost as hard as you can initially & then bleed off as you're turning into the corner. This takes a fair bit of practice to perfect but it's absolutely the fastest way. The aim is to load up the nose & transferring the weight via the brakes is key to getting good turn-in & front-end grip.

Your lines are spot on & general driving technique is very good though. Car sounds great!
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Nick

2004 GT3 CS in Atlas Grey with too many mods to list!
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2010 GT3 CS in Riviera Blue Smile
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markturner1960
Monza


Joined: 26 Nov 2016
Posts: 215
Location: London UK

2003 Porsche 996 GT3 Mk2

PostPosted: Mon Aug 07, 2017 8:58 am    Post subject: Reply with quote

It was just at the end of the back straight that I noticed a bit of ABS pulse occasionally. There is not really anywhere else at Donnington that you need to brake so hard. Trailbraking was one of the things that Colin was working on with me and I was getting there pretty well by the end of the morning session he said.

For me, getting the braking technique right is the hardest thing to learn, as you need to brake in the opposite way you do on the road. All that muscle memory to unlearn! But I am getting there, just need to practice.

I am hoping that on the Iberia trip I can get some passenger laps with you Nick, and get some pointers.... Smile

Cheers,
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NXI20
Paul Ricard


Joined: 02 Feb 2008
Posts: 3375
Location: South Bucks

2004 Porsche 996 GT3 Mk2

PostPosted: Mon Aug 07, 2017 9:03 am    Post subject: Reply with quote

Unless you're a complete natural (I'm not!), there's really no substitute for seat time. I have lots now, but as you say, it's really difficult to unlearn years of road driving techniques.

Roll on Iberia Thumb
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Nick

2004 GT3 CS in Atlas Grey with too many mods to list!
1995 993 GT2 recreation in Polar Silver
2010 GT3 CS in Riviera Blue Smile
1978 Carrera SC in Red (for sale)
 
  
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Cunno
Indianapolis


Joined: 13 Dec 2008
Posts: 2359
Location: Nottinghamshire


PostPosted: Mon Aug 07, 2017 8:58 pm    Post subject: Reply with quote

Donny is a great track for a GT car, was there last week but it rained, no fun in the rain. Hoping to go back next week GT noise day on the 17th. I see we have the same dealer/ pusher for brakes Thumb nice toe and heal work much better than my clumsy efforts. Here's a lap for a TD me and Nick attended in 2014, the only clear lap all day as the fun cups were using as a test day Mad


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markturner1960
Monza


Joined: 26 Nov 2016
Posts: 215
Location: London UK

2003 Porsche 996 GT3 Mk2

PostPosted: Tue Aug 08, 2017 12:07 pm    Post subject: Reply with quote

Nice lap Cunno, you slaughtered my time (best of the day around 1.28 /1.29 I think from looking at the videos afterwards) Seemed very smooth as well...
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NXI20
Paul Ricard


Joined: 02 Feb 2008
Posts: 3375
Location: South Bucks

2004 Porsche 996 GT3 Mk2

PostPosted: Tue Aug 08, 2017 3:34 pm    Post subject: Reply with quote

Smooth is fast. It often doesn't feel fast but the laptimer doesn't lie. I know I've done low 1:18's on a particularly good day (very little traffic) but cannot locate the video just now. I'll try & post some video up later.
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2004 GT3 CS in Atlas Grey with too many mods to list!
1995 993 GT2 recreation in Polar Silver
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