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KP964
Watkins Glen


Joined: 20 Feb 2012
Posts: 2240
Location: Northumberland


PostPosted: Thu Mar 03, 2016 10:34 am    Post subject: Drilled discs ? Reply with quote

My car needs new brake dics on the front , does anyone have any recommendations on cross drilled discs , advice on which ones i should get , just keeping the standard callipers etc .. what are the sports discs like from Design911 ? , will they chew standard pads up more than a normal disc ?. Thanks Keith
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Stone Grey Metallic 964 C4
Guards Red 964 C4 sold
 
  
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Eldavo
Monza


Joined: 21 Aug 2013
Posts: 235
Location: Newcastle upon Tyne


PostPosted: Thu Mar 03, 2016 12:30 pm    Post subject: Reply with quote

Hi Keith,

I've read several tales of the Zimmerman branded drilled discs cracking, I believe that the Brembo ones are better in this regard. Maybe dimpled/grooved would be a decent compromise?
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944 Turbo S - definitely not standard (his)
987 Boxster 2.7 - standard for now (hers)
996 3.6 Coupe - tastefully tweaked
 
  
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alex yates
Brands Hatch
Brands Hatch


Joined: 06 Mar 2014
Posts: 14484
Location: The Ribble Valley, Lancashire

2000 Porsche 996 Carrera 4

PostPosted: Thu Mar 03, 2016 12:37 pm    Post subject: Re: Drilled discs ? Reply with quote

kp964 wrote:
will they chew standard pads up more than a normal disc ?. Thanks Keith


No, the holes are in to dissipate heat, water and gas (yes gas from chemicals used in pads). They help the brake pads improve friction and thus less wear.
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2000 Manual 996 C4 Arctic Silver Convertible


 
  
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backitoff
Silverstone


Joined: 30 Apr 2006
Posts: 110
Location: The road to hell


PostPosted: Thu Mar 03, 2016 8:10 pm    Post subject: Reply with quote

I replaced mine with Sebro sport discs (drilled) from Euro Car Parts about 18 months / 4,000 miles ago. I changed the pads to Hawk HP 2? 'Can't remember' which ones exactly.
No problems so far and its nearly always spirited driving.
I think Sebro brand were something to do with oem at some point, which is what initially attracted me to them
 
  
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