Home > Maintenance & Mods (L322) > Brake Discs - slotted, drilled, plain. Much difference? |
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stan Site Moderator Member Since: 13 Jul 2010 Location: a moderate moderated moderator moderating moderately in moderation Posts: 35246 |
from what i've read you need to keep away from the drilled ones as the holes weaken the disc..dimpled and grooved ones seem ok and are reputed to keep the pads clean ..
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20th Jul 2015 6:51pm |
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Mikey Member Since: 10 Jan 2008 Location: Dundee Posts: 1738 |
Stick with OEM discs...
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20th Jul 2015 7:38pm |
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Rangeyman Member Since: 03 Feb 2015 Location: west yorkshire Posts: 267 |
I see as usual everyone is recommending original parts ,I suppose you cannot go wrong with that recommendation but has anyone out there had any or heard of anyone that had a failed disc or pad problem? |
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20th Jul 2015 9:02pm |
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Haylands Member Since: 04 Mar 2014 Location: East Yorkshire Posts: 8151 |
They don't tend to fail, just don't work as well or last as long, they can also be machined to a lesser tolerance which will lead to run out, this causes all sorts of problems as well as the worst of all, the dreaded squeaky brakes... Pete
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20th Jul 2015 9:07pm |
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Cam-Tech-Craig Member Since: 03 Aug 2011 Location: Gloucestershire Posts: 16263 |
Ive fitted drilled & grooved discs on three of my own 322’s which have been brilliant. Always fitted them with genuine LR pads though |
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20th Jul 2015 9:14pm |
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johnboyairey Member Since: 11 Jan 2013 Location: surrey Posts: 2032 |
previous owner fitted grooved drilled ones to front on my car. they drive ok to me, but, hit the brakes hard at 50 or more and you get a horrible noise/mild vibration on the pedal as the holes go through the pads, a sort of uneasy feeling that you don't want at a time of mild panic. I have no issues with their trueness, there's nothing to warrant immediate action, but, I have some new pads and waiting for a window, to change the discs as well, as soon as the pads wear out! however, they look 'nice' in a sort of boy racer way. but only at the front! |
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20th Jul 2015 9:18pm |
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martinf Member Since: 26 Dec 2014 Location: sussex Posts: 256 |
It seems odd to me that my Porsche comes with drilled discs and yet I have seen a number of posts on various site saying they are a bad idea. I am confused |
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21st Jul 2015 7:13am |
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mzplcg Member Since: 26 May 2010 Location: Warwickshire. England. The Commonwealth. Posts: 4029 |
My 07 VSE came with EBC drilled & grooved discs and also the yellow stuff pads. I removed them due to noise and harshness. They were replaced with OEM Brembo items and peace & quiet was restored. In fact I recall giving them to a member on here (not sure who now) but he might like to comment on how he found them.
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21st Jul 2015 7:20am |
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Havank Member Since: 05 Apr 2007 Location: Woking - Surrey Posts: 193 |
I had the front upgraded to drilled and grooved, but they just didn't last as long as the OEM stuff
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21st Jul 2015 8:41am |
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Bellini Member Since: 11 Jan 2012 Location: Berkshire Posts: 2261 |
As far as my SC is concerned, it's nothing but OEM Brembo stuff, or whatever the thing needs. The standard brakes work perfectly well and I see no reason to muddle with that.
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21st Jul 2015 9:06am |
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IanT599 Member Since: 15 Jun 2013 Location: Wellington Posts: 351 |
I know it's not the same car but I fitted groves discs with dimples on a TD5 D2. They were ebc which are pretty good name in brakes.
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21st Jul 2015 9:29am |
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Zirconblue Member Since: 16 Apr 2015 Location: Kent Posts: 1277 |
Holes and grooves are great on a racing car or ultra high performance car. But in reality on a normal road car they're nothing more an cosmetic. You wont really notice any appreciable difference in stopping power, the Range Rover already has pretty decent brakes as it is. |
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21st Jul 2015 10:12am |
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Philip Member Since: 05 Jan 2010 Location: UK Posts: 2562 |
The holes in Porsche OEM discs are cast-in, not drilled, so they don't usually suffer the same problems.
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21st Jul 2015 10:16am |
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Mikeyjd Member Since: 14 Jun 2011 Location: Wrexham Posts: 543 |
Thanks for all the comments guys.
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22nd Jul 2015 5:37pm |
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