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Author Subject: Hi-Spec billet 300's - which discs?!
Chr1sch

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Location: Worcester

Registered: 02 Aug 2014

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Post #1
Hi guys

I'm new here but have bought a gti6 withy the above brakes

Frankly they're crap, I mean really poor - currently have yellow stuff pads and grooved discs. (The latter look pretty knackered)

Can anyone tell me what discs I should use? Prev owner said he thought they were c4/307gt discs but wasn't 100%?

Also, if these brakes have been fitted does that deactivate the abs?!

Cheers

Chris

Chr1sch has attached the following image:

Posted 3rd Aug 2014 at 23:53
bigbadbowen

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Location: Winchester

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Post #2
Pads will be the prob

I'd get new discs and pads

Posted 4th Aug 2014 at 00:01
calibra306

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Post #3
I got ds2500 pads with my 330 hi-spec setup

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Posted 4th Aug 2014 at 00:47
Chr1sch

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Post #4
Ok great thanks, can anyone confirm what discs I should get?!
Posted 4th Aug 2014 at 05:56
welshpug!

Capt Pedantic

Location: Bigend, Wales.

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Post #5
only you, or the original purchaser can tell us that. wheel off and measure the diameter and height.

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Posted 4th Aug 2014 at 11:09
Chr1sch

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Post #6
Cool no worries thanks
Posted 4th Aug 2014 at 12:02
Chr1sch

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Post #7
Hi gents, just measured the brakes, can i check what you mean by height?

As far as i can tell they are 305mm and 25mm thick (diameter is awkward as the centre nut protrudes but im pretty sure thats accurate)

Does that ring true with any common disc sizes people use?

Cheers

Chris
Posted 5th Aug 2014 at 12:18
jamiek_uk2000

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Location: Llanelli

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Post #8
307 maybe. They are 302mm but not sure on thickness

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306 GTi 6 Diablo - Being resurrected! Project Thread

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Posted 5th Aug 2014 at 12:23
jamiek_uk2000

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Post #9
What's the overall height on the disc?

Check out brake parts. Co. UK.

Damn autocorrect

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205 GTi Red - G939 RTU - Died!
306 GTi 6 Diablo - Being resurrected! Project Thread

Looking for:
VTS P1 Rack
PR1.2 16"
Posted 5th Aug 2014 at 12:27
Chr1sch

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Post #10
so assuming my understanding is correct and the height is the distance from the face of the surface the wheel mates with to the centre of the disc itself, then this is around 27mm (they're very corroded)

The centre of the disc is recessed, i.e. imagine it like a top hat, the surface of the disc facing outwards is outboard of the bit that joins the disc to the hub (i'm so technical lol)
Posted 5th Aug 2014 at 13:12
Chr1sch

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Post #11
Here's a pic...

Chr1sch has attached the following image:

Posted 5th Aug 2014 at 13:40
jamiek_uk2000

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Post #12
That is unusual. I've never seen a disc like that before

________________________________________

205 GTi Red - G939 RTU - Died!
306 GTi 6 Diablo - Being resurrected! Project Thread

Looking for:
VTS P1 Rack
PR1.2 16"
Posted 5th Aug 2014 at 13:53
Niall

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Post #13
Errr that pad looks like it's hanging out! I've currently got them calipers and use Volvo 240 pads and they aren't like that!
Posted 5th Aug 2014 at 14:16
Chr1sch

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Post #14
oh crap ok, thanks for the heads up, i did think it looked odd!!

What discs are you using? i feel royally stuck and the brakes are frankly useless
Posted 5th Aug 2014 at 14:38
welshpug!

Capt Pedantic

Location: Bigend, Wales.

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Post #15
looks like 406 coupe discs, would be 305x28 and zero offset nearly.

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Posted 5th Aug 2014 at 14:41
Chr1sch

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Post #16
305 certainly rings true thank you! i've just checked the pads (they're yellow stuff ones) and they seem to be seated ok?
Posted 5th Aug 2014 at 15:02
Niall

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Post #17
I'm using standard 283mm discs so not the same as yours. Have the pads got the locating pins through the top of them? Just look like they aren't in properly but could just be different pads which also fit.
Posted 5th Aug 2014 at 15:06
Chr1sch

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Post #18
well looking at this: http://c4owners.org/plugins/content/content.php?content.16

I think the previous owner might be right, looks very similar to the C4 VTR/VTS brake disc...
Posted 5th Aug 2014 at 15:21
jamiek_uk2000

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Post #19
Check out the details compared to what your discs are, failing that take one disc to an auto spares shop and compare.

See if you can borrow a digital caliper to ensure measurements are correct

________________________________________

205 GTi Red - G939 RTU - Died!
306 GTi 6 Diablo - Being resurrected! Project Thread

Looking for:
VTS P1 Rack
PR1.2 16"
Posted 5th Aug 2014 at 15:31
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

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Post #20
many discs will appear similar, measure them as accurately as possible, not forgetting to take into account wear and corrosion buildup.

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 5th Aug 2014 at 15:42
Chr1sch

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Post #21
agreed, i foolishly thought they would follow a 'standard'
Posted 5th Aug 2014 at 15:44
jamiek_uk2000

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Post #22
Fool of a took

________________________________________

205 GTi Red - G939 RTU - Died!
306 GTi 6 Diablo - Being resurrected! Project Thread

Looking for:
VTS P1 Rack
PR1.2 16"
Posted 5th Aug 2014 at 15:46
jamiek_uk2000

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Post #23
The only rule is they are round and phillipm tried to change that

________________________________________

205 GTi Red - G939 RTU - Died!
306 GTi 6 Diablo - Being resurrected! Project Thread

Looking for:
VTS P1 Rack
PR1.2 16"
Posted 5th Aug 2014 at 15:59
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

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Post #24
Audi changed that on the RS4/6 too.

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 5th Aug 2014 at 18:24
jamiek_uk2000

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Location: Llanelli

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Post #25
Indeed they did.

Copying from motorbikes I believe

________________________________________

205 GTi Red - G939 RTU - Died!
306 GTi 6 Diablo - Being resurrected! Project Thread

Looking for:
VTS P1 Rack
PR1.2 16"
Posted 5th Aug 2014 at 19:21

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