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displaying posts 1 to 11 of 11
| Author | Subject: Which way round grooved discs.. |
 barnettjd77
Regular  Location: dorchester Registered: 12 Nov 2011 Posts: 483 Status: Offline |
Post #1
I have a pair of ebc grooved/dimpled discs on the front of my 6, i was told that they are fitted the wrong way round.. on the driverside the groove is curving back towards the rear of the car. Is this correct or a complete balls up?  barnettjd77 has attached the following image: ________________________________________ A red rallye in progress! |
 Posted 20th Apr 2012 at 13:49
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rikky
🦔 Location: cheshire Registered: 28 Feb 2004 Posts: 26,793 Status: Offline |
Post #2
the grooves bring the air into the middle of the disc and s**t away. think of it that waythe disc above looks right, depends on the vanes ultimately but that looks right  ________________________________________ 306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges gti6 inlet manifold badges | 306 rear boot badges (p2/p3) winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club] |
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Posted 20th Apr 2012 at 13:55
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barnettjd77
Regular Location: dorchester Registered: 12 Nov 2011 Posts: 483 Status: Offline |
Post #3
rikky wrote: the grooves face the air and bring the air into the middle of the disc. think of it that way Yeah i get it, so they are ass backwards if you see that picture of the driverside, oops  I think thats right yeah?Thanks for the quick reply may get on and do these  ________________________________________ A red rallye in progress! |
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Posted 20th Apr 2012 at 13:58
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rikky
🦔 Location: cheshire Registered: 28 Feb 2004 Posts: 26,793 Status: Offline |
Post #4
 ________________________________________ 306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges gti6 inlet manifold badges | 306 rear boot badges (p2/p3) winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club] |
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Posted 20th Apr 2012 at 14:01
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barnettjd77
Regular Location: dorchester Registered: 12 Nov 2011 Posts: 483 Status: Offline |
Post #5
I reckon i have them right then i shall have a look when i jack her up in a minute But i don't see how the grooves are facing the air? ________________________________________ A red rallye in progress! |
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Posted 20th Apr 2012 at 14:02
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rikky
🦔 Location: cheshire Registered: 28 Feb 2004 Posts: 26,793 Status: Offline |
Post #6
here, air hits the disc somewhat like this. given it's hidden by your wheel anyway but it ultimately does help. a bit. on a ferrari at Oulton Parkrikky has attached the following image: ________________________________________ 306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges gti6 inlet manifold badges | 306 rear boot badges (p2/p3) winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club] |
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Posted 20th Apr 2012 at 14:09
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barnettjd77
Regular Location: dorchester Registered: 12 Nov 2011 Posts: 483 Status: Offline |
Post #7
Yeah i reckon they are fine, i was told they were ass backwards though. that was the guide i used as they are the discs i fitted on my 6 ________________________________________ A red rallye in progress! |
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Posted 20th Apr 2012 at 14:11
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tvrfan007
Seasoned Pro  Location: In the garage Registered: 29 May 2005 Posts: 3,488 Status: Offline |
Post #8
It's only the vanes that are important - if the vanes are straight in the disc it matters not a toss.Top of the groove touching pad first is allegedly better for feel, bottom of the groove first allegedly better for pad wear. His grooves may not even touch the end of the disc. ________________________________________ I'm Si btw Night Blue VW Golf GTD Bianca LBSC Rallye - Track/Road Slag Project Thread Sparkling Silver Mini Cooper D - Super Dooper  - (The other half's wheels) |
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Posted 20th Apr 2012 at 17:43
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barnettjd77
Regular Location: dorchester Registered: 12 Nov 2011 Posts: 483 Status: Offline |
Post #9
tvrfan007 wrote: It's only the vanes that are important - if the vanes are straight in the disc it matters not a toss. Top of the groove touching pad first is allegedly better for feel, bottom of the groove first allegedly better for pad wear. His grooves may not even touch the end of the disc. I reckon mine are on pad wear setting then Well they work very well so i suppose something must be right  ________________________________________ A red rallye in progress! |
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Posted 20th Apr 2012 at 19:36
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calibra306
Seasoned Pro  Location: Gravesend, Kent Registered: 06 Nov 2011 Posts: 1,315 Status: Offline |
Post #10
I was always told that the grooves should be throwing the gas out from the disc ie center to outside edge.So as the pictures shows! ________________________________________ V6 Power!Faster I can go the better! Its not what you drive, its how you drive that wins the race! |
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Posted 1st May 2012 at 03:45
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owain
Seasoned Pro  Location: Essex Registered: 20 May 2009 Posts: 9,185 Status: Offline |
Post #11
Pictures above are correct. Spoke to Tarox directly and asked them, they confirmed. People think it seems as if the cutouts should be biting into the pads, but actually they're meant to be throwing out old pad dust and hot air. ________________________________________ Membership expiring soon, get in contact on our new little forum project. |
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Posted 1st May 2012 at 09:49
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