displaying posts 1 to 11 of 11

Author Subject: G88 283's
JWP EFi

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Post #1
seeing as the only option for brembos not to squeal is tarox G88, but do they have to be 288mm?

im assuming the 283's will be ok, can anyone put me right here?
Posted 7th Aug 2012 at 21:41
welshpug!

Capt Pedantic

Location: Bigend, Wales.

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Post #2
Did you not see my replies? 288!

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Posted 7th Aug 2012 at 21:44
eliotrw

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Post #3
As above.
Otherwise the calipers/ pads will overhang.
Not even worth considering tbh

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Posted 7th Aug 2012 at 21:47
eliotrw

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Post #4
Well maybe they won 't overhang .... but either way no.
Just no.
I wouldn't dick about with stuff like that. Just use the discs that are the right size

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Posted 7th Aug 2012 at 21:49
Rich E Forum Admin

Location: Hertfordshire

Registered: 27 Apr 2005

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Post #5
283x26 discs from a 206/207/307 are a direct fit and work fine with 406 Brembos.

That's what everyone ran years ago before someone discovered the Xantia discs fitted.

(The standard GTi-6 discs are a no-go though... wrong offset and too thin.)

eliotrw wrote:
I wouldn't dick about with stuff like that. Just use the discs that are the right size

I wouldn't exactly say that the Xantia discs are the 'right' size for the 406 Brembos. There's a large unswept area at the bottom, and an upswept lip at the top too as can be seen in Owain's photos here: http://www.306gti6.com/forum/showthread.php?id=141439

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Posted 7th Aug 2012 at 21:57
eliotrw

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Post #6
Oh rly. In that case I'm a cock.

I thought that you needed 288s for the extra pad area or something.

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Posted 7th Aug 2012 at 22:04
Rich E Forum Admin

Location: Hertfordshire

Registered: 27 Apr 2005

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Post #7
The pads will overhang the discs very slightly (less than 1mm) when running 283s, but it's nothing to worry about.

The Xantia discs are the best compromise from a fitment perspective, but if you can get the 283s cheaply or have a set lying around then there's no point in not using them.

Whether the extra 2mm thickness and ~0.75mm extra pad contact area the Xantia disc will give are worth the trade-off in extra weight is an entirely different debate though...

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Posted 7th Aug 2012 at 22:09
JWP EFi

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Post #8
Rich E wrote:
283x26 discs from a 206/207/307 are a direct fit and work fine with 406 Brembos.

That's what everyone ran years ago before someone discovered the Xantia discs fitted.

(The standard GTi-6 discs are a no-go though... wrong offset and too thin.)

eliotrw wrote:
I wouldn't dick about with stuff like that. Just use the discs that are the right size

I wouldn't exactly say that the Xantia discs are the 'right' size for the 406 Brembos. There's a large unswept area at the bottom, and an upswept lip at the top too as can be seen in Owain's photos here: http://www.306gti6.com/forum/showthread.php?id=141439


good point rich,

i know the wilwood 4 pot / 283 combo has overhang, recently had a car in the garage with this very setup, to be fair

there was a lip on the pads
Posted 7th Aug 2012 at 22:32
davewagon

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Post #9
What's the issue with having overhanging pads?

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Posted 9th Aug 2012 at 09:19
JWP EFi

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Location: edinburgh

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Post #10
the pads won't wear evenly, hence there will be a lip. They will start to break up, i saw an example

of this very recently
Posted 9th Aug 2012 at 20:34
davewagon

Senior User

Location: Corby / Northampton

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Post #11
jsa666 wrote:
They will start to break up


Ah didn't consider this, cheers!

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Posted 10th Aug 2012 at 07:46

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