Wanted: RS4 B8 CERAMIC BRAKES

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MikeFish
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Re: Wanted: RS4 B8 CERAMIC BRAKES

Post by MikeFish » Sun Jan 03, 2016 10:48 pm

RED_ROCKET wrote:Anyone got pics for a c7 RS6 steel setup or prices,

Got feedback from little devil but those prices don't seem special enough at the mo..

viewtopic.php?f=61&t=115447&p=740714#p740675

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Revolution
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Re: Wanted: RS4 B8 CERAMIC BRAKES

Post by Revolution » Mon Jan 04, 2016 1:00 am

Rs6 calipers bolted straight on and dust shields work fine also.

We needed some 4mm shims to get exact and we also have stainless steel lines fitted for added pedal feel.

Any questions re fitting pm little Glen

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Re: Wanted: RS4 B8 CERAMIC BRAKES

Post by S4Player » Mon Jan 04, 2016 1:43 am

Revolution wrote:Rs6 calipers bolted straight on and dust shields work fine also.

We needed some 4mm shims to get exact and we also have stainless steel lines fitted for added pedal feel.

Any questions re fitting pm little Glen

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Re: Wanted: RS4 B8 CERAMIC BRAKES

Post by LittleDevil » Mon Jan 04, 2016 12:04 pm

Some good info..

RS6/7 4G/C7 Steel Brakes 390/356mm NEW:

Front Calipers with Pads and Wear Sensors = 8.05kg each
Rear Calipers with Pads and Wear Sensors = 5.60kg each
Front Disc 390x36mm = 13.80kg each
Rear Disc 356x22mm = 7.25kg each

RS6/7 4G/C7 Ceramic Brakes 420/370mm NEW:

Front Calipers with Pads and Wear Sensors = 9.75kg each
Rear Calipers with Pads and Wear Sensors = 6.50kg each
Front Disc 420x40mm = 8.25kg each
Rear Disc 370x30mm = 4.55kg each

S6, S7, S8 2016 Ceramic Brakes 400/370mm NEW:

Front Calipers with Pads and Wear Sensors = 9.75kg each
Rear Calipers with Pads and Wear Sensors = 6.50kg each
Front Disc 400x38mm = 8.45kg each
Rear Disc 370x30mm = 6.75kg each

RS5 B8/B8,5 Ceramic Brakes 380mm NEW:

Front Calipers with Pads and Wear Sensors = 8.40kg each
Front Disc 380x38mm = 6.60kg each

Kind Regards
Last edited by LittleDevil on Mon Jan 04, 2016 1:05 pm, edited 3 times in total.
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Re: Wanted: RS4 B8 CERAMIC BRAKES

Post by RossDagley » Mon Jan 04, 2016 12:06 pm

LittleDevil wrote:Some good info..

RS6/7 Steel Brakes 390/356mm NEW:

Front Calipers with Pads and Wear Sensors = 8.05kg each
Rear Calipers with Pads and Wear Sensors = 5.60kg each
Front Disc 390x36mm = 13.80kg each
Rear Disc 356x22mm = 7.25kg each

RS7 Ceramic Brakes 420/370mm NEW:

Front Calipers with Pads and Wear Sensors = 9.75kg each
Rear Calipers with Pads and Wear Sensors = 6.50kg each
Front Disc 420x40mm = 8.25kg each
Rear Disc 370x30mm = 4.55kg each

S6, S7, S8 Ceramic Brakes 400/370mm NEW:

Front Calipers with Pads and Wear Sensors = 9.75kg each
Rear Calipers with Pads and Wear Sensors = 6.50kg each
Front Disc 400x38mm = 8.45kg each
Rear Disc 370x30mm = 6.75kg each

Kind Regards
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Wanted: RS4 B8 CERAMIC BRAKES

Post by Shinobi675 » Mon Jan 04, 2016 12:20 pm

Definitely! How much do the standard wheels and tyres weigh? And hubs I guess. What's the percentage difference?

Fronts are 4kg difference ish.

That could be as much as 10%, quite a bit of unsprung weight difference! Imagining talking about loosing 200kg of the whole car...
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Re: Wanted: RS4 B8 CERAMIC BRAKES

Post by RossDagley » Mon Jan 04, 2016 12:25 pm

Shinobi675 wrote:Definitely! How much do the standard wheels and tyres weigh? And hubs I guess. What's the percentage difference?

Fronts are 4kg difference ish.

That could be as much as 10%, quite a bit of unsprung weight difference! Imagining talking about loosing 200kg of the whole car...
unsprung weight is supposed to be that ratio IIRC - 10% off the unsprung is the 'same' as 10% of sprung. I'm sure I read that somewhere.
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Re: Wanted: RS4 B8 CERAMIC BRAKES

Post by Shinobi675 » Mon Jan 04, 2016 12:26 pm

Good point! I think I've heard that too.

I wonder what the ap racing rs6 disks weigh? I looked at those as an option against ceramics, but didn't get the exact figures, just "light".
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Re: Wanted: RS4 B8 CERAMIC BRAKES

Post by Shinobi675 » Mon Jan 04, 2016 12:30 pm

Ap racing similar size. 9.3kg disks. So only 1kg heavier than the ceramics.
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Re: Wanted: RS4 B8 CERAMIC BRAKES

Post by LittleDevil » Mon Jan 04, 2016 12:37 pm

16,6kg difference between 390mm steel discs and 420mm ceramic discs. :thumbs:

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Re: Wanted: RS4 B8 CERAMIC BRAKES

Post by Surrey Sam » Mon Jan 04, 2016 12:53 pm

Shinobi675 wrote:Ap racing similar size. 9.3kg disks. So only 1kg heavier than the ceramics.
That's compared to the C7's massive 420mm items. The B8/B7 have 380mm versions which are nearer 7.5kg each - B8 may weigh a little less as they use a different bell to the B7? Both 380mm ceramic setups also utilise a smaller calliper compared with the 420mm ceramic brakes.
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Re: Wanted: RS4 B8 CERAMIC BRAKES

Post by Shinobi675 » Mon Jan 04, 2016 12:55 pm

Good point the ap are 390mm. Also not sure if that includes the bell at!
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Re: Wanted: RS4 B8 CERAMIC BRAKES

Post by LittleDevil » Mon Jan 04, 2016 1:03 pm

RS5 Ceramic Brakes 380mm NEW:

Front Calipers with Pads and Wear Sensors = 8.40kg each
Front Disc 380x38mm = 6.60kg each
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Re: Wanted: RS4 B8 CERAMIC BRAKES

Post by MikeFish » Mon Jan 04, 2016 1:09 pm

It looks like the 420mm ceramics weight less than all the other front discs including smaller ceramics.

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Re: Wanted: RS4 B8 CERAMIC BRAKES

Post by LittleDevil » Mon Jan 04, 2016 1:15 pm

MikeFish wrote:It looks like the 420mm ceramics weight less than all the other front discs including smaller ceramics.
Only RS5 380x38mm is lighter, but RS6 4G CCB are really light compared to it's size.

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