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Jonathanb
Newbie


Joined: 04 Mar 2019
Posts: 3



PostPosted: Fri May 03, 2019 4:41 pm    Post subject: Joined the 911 Club, brake question Reply with quote

Thanks for adding me to the forum

I brought my first 911, seems pretty good and totally different drive to the TVR that replaced it (Chimaera).

The only question I have is about the brakes. They seem a little unresponsive and I would have thought that the four pots would have a lot more bite with instant feedback.

It’s difficult to describe but is this normal?
 
  
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ian_alex
Silverstone


Joined: 25 May 2015
Posts: 136



PostPosted: Fri May 03, 2019 4:56 pm    Post subject: Reply with quote

Quite normal and you will soon find that having to push a bit harder is better then hypersensitive brakes.
They work very well with a little more pressure than you may be used to.
Enjoy the car!
 
  
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T8
General
General


Joined: 29 Jun 2010
Posts: 15319
Location: Kent


PostPosted: Fri May 03, 2019 4:58 pm    Post subject: Reply with quote

Welcome to 911uk and to 911 ownership.

Your question is one that's often asked by newbies.

911 brakes do feel a bit wooden until you get used to them. They don't bite or give much feedback at normal speeds although they are still very effective. Try a few hard stops from motorway+ speeds and you'll see why they are so highly regarded. Wink
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bakerboy4s
Monza


Joined: 06 Jun 2015
Posts: 238
Location: Staffordshire


PostPosted: Fri May 03, 2019 5:36 pm    Post subject: Reply with quote

Hi welcome to the forum and 911 ownership, like you I anticipated sharp braking, but they do stop well if you need to!
Don't forget to post some pictures of the new toy
Useless
 
  
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Alex
Le Mans
Le Mans


Joined: 06 Mar 2014
Posts: 15934
Location: The Ribble Valley, Lancashire

2000 Porsche 996 Carrera 4

PostPosted: Fri May 03, 2019 6:34 pm    Post subject: Reply with quote

After a few months of ownership, you'll realise they're the best brakes you've ever had. This is probably one of the most common questions new members ask so don't think it's anything to do with your preference.

Nothing worse than over-servo'd brakes.

.....and welcome mate - you're in the right place thumbsup
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The return of Marty Wild
Barcelona


Joined: 04 Nov 2016
Posts: 1445



PostPosted: Fri May 03, 2019 6:40 pm    Post subject: Reply with quote

I hate over-servo’d brakes, just have to look at them and the car’s doing an emergency stop.

When I get back in the Pork after driving the family wagon, I have to really remind myself that the brakes need a push.

Progressive brakes are where it’s at. Not that I’ve driven a TVR but surely they’re not super touchy on the brakes like a modern family runaround?!

Might be worth getting them looked at, new fluid, pads etc. I always think brakes are worth doing early on into secondhand car ownership. Can be done very cheaply, if you don’t mind getting your hands dirty.
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Jonathanb
Newbie


Joined: 04 Mar 2019
Posts: 3



PostPosted: Fri May 03, 2019 8:54 pm    Post subject: Reply with quote

Thanks and glad to hear it’s normal, I will do the brakes and fluid change in the next few months.

Got a couple of issues to sort but nice to be welcomed to a new forum, will be spending a fair amount of time here

Photo before I removed the stickers
 



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The return of Marty Wild
Barcelona


Joined: 04 Nov 2016
Posts: 1445



PostPosted: Sat May 04, 2019 4:37 am    Post subject: Reply with quote

Looks tasty, I’m going Aerokit over GT3?! Thumb
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BHZ661
Barcelona


Joined: 03 Feb 2015
Posts: 1302
Location: Milton Keynes


PostPosted: Sat May 04, 2019 6:45 am    Post subject: Reply with quote

Welcome , car looks great thumbsup
 
  
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Griffter
Spa-Francorchamps


Joined: 22 May 2016
Posts: 298



PostPosted: Sat May 04, 2019 7:10 am    Post subject: Reply with quote

Welcome. I echo the comments above, although I used to have a Griffith and like TroMW above I’m surprised you’ve queried the brakes coming from a TVR. The Griffith and Chimaera brakes are based on Ford components (single pot sliding callipers front and rear with heavy front bias), are quite small for the car and from what I remember aren’t very good! No wonder many people upgrade them. Anyway well worth giving your Porsche brakes the once over. The inner faces of the front discs can corrode which would indicate they’re not working fully as intended. Maybe have a quick look to get an indication whether they might not be 100%?
Love the look of your new car! What’s the spec?
 
  
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HSC911
Long Beach


Joined: 23 Jul 2014
Posts: 6456
Location: Bedford


PostPosted: Sat May 04, 2019 9:00 am    Post subject: Reply with quote

Welcome

Cool car

Thumb
 
  
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Wh1t3Kn1ght
Silverstone


Joined: 22 Aug 2018
Posts: 147


2001 Porsche 996 Carrera 2

PostPosted: Sat May 04, 2019 11:10 am    Post subject: Reply with quote

Welcome

I found exactly the same thin after having been driving my over servo'd Merc A Class for the last 4 years.

I find (and have read elsewhere) that you need to anticipate braking and gradually build the pressure and / or warm them up before you need to brake hard.

I found that the ABS is very sensitive to a heavy brake foot which shows that the 4 pots do indeed have enough stopping power.

Also because of the weight difference it is very easy to cause the ABS to kick in on the front under heavy braking.

If you touch the brakes gently just before your normal braking point it helps get the weight in the right place for a firmer stab when you reach your normal braking point. Or you can just gradually increase the pressure. They have a lot more control than over servo'd brakes.
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deMort
Long Beach


Joined: 21 Mar 2015
Posts: 6485
Location: Brighton


PostPosted: Sat May 04, 2019 5:45 pm    Post subject: Reply with quote

I look at things from a different perspective .. that of there being a fault so ...

A quick test .. start the car , run for 30 seconds then switch off .. pump the brake pedal until it goes rock hard .. count how many times and post that please .

Also post if the pedal travel is the same with a rock hard pedal as it is with the engine running normal pedal .

One last check .. car left overnight , get in and with engine off is the brake pedal rock hard or still a bit soft like it is when driving .

I only ask as i know of a problem on these so i'm just checking Smile
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The return of Marty Wild
Barcelona


Joined: 04 Nov 2016
Posts: 1445



PostPosted: Sat May 04, 2019 5:52 pm    Post subject: Reply with quote

The man has spoken! worship
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Jonathanb
Newbie


Joined: 04 Mar 2019
Posts: 3



PostPosted: Sun May 05, 2019 5:10 pm    Post subject: Reply with quote

Thanks deMot I’ll give that a go this week.

As for the TVR brakes, the standard brakes are shocking but upgraded to 278mm single piston with drilled and groves discs and racing red pads and it stopped very well.

After a bit more driving having taken the above post into account it they aren’t as bad as I thought but I’ll still have a look and make sure they are up to scratch
 
  
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UncleP
Trainee


Joined: 27 Feb 2019
Posts: 96



PostPosted: Mon May 06, 2019 6:42 am    Post subject: Reply with quote

Have you checked the back of the discs for corrosion? I test drove one and noted the brakes were rubbish. When I looked at the discs and pads through the wheels all seemed fine but when it was up on the ramp the back side of the discs were knackered.
 
  
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