displaying posts 1 to 19 of 19

Author Subject: Rear disc sizes (bigger ones?)
eliotrw

Seasoned Pro

Location: Southwark

Registered: 18 Jul 2010

Posts: 4,864

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Post #1
Whats the deal with rear discs. I know they basically dont get used but can you get bigger brakes on the back?
A few current hatches have quite large ones at the rear ive noticed. Clio cup for example.
I dunno im just thinking in terms of balance is it not better to upgrade front and back. Or am i missing something and everyone with renault sport brakes has bigger calipers at the back too?

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Ex- Phase 3 China GTi-6 T-Reg
Posted 22nd Nov 2011 at 20:46
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

Status: Offline

Post #2
no need Thumbs up

most cars that you see with larger calipers will also be heavier and much more powerful.

with the standard calipers and a bias valve in the full open position pugs will just lock the rears up very easily.

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Posted 22nd Nov 2011 at 20:54
eliotrw

Seasoned Pro

Location: Southwark

Registered: 18 Jul 2010

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Post #3
ah ok.. fair enough. I thought it might be the case but then I saw the clios and some other new hatches and got wondering. My only concern now is that they might look odd next to the bigger brakes. Anyone got an image from side on with bigger discs and calipers on the front

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Ex- Phase 3 China GTi-6 T-Reg
Posted 22nd Nov 2011 at 22:09
velar

Regular

Location: swindon

Registered: 04 Jan 2009

Posts: 448

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Post #4
I have upgraded the rear discs to 280mm with AP calipers. Total overkill really and lost the mechanical handbrake. Rear brake control is much nicer now though.

Looks wise they fill up the space under my 16 pro race wheels nicely as well.

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L reg "black and blue" phase 1 track 6
Posted 22nd Nov 2011 at 22:58
daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,648

Status: Offline

Post #5
velar wrote:
I have upgraded the rear discs to 280mm with AP calipers. Total overkill really and lost the mechanical handbrake. Rear brake control is much nicer now though.

Looks wise they fill up the space under my 16 pro race wheels nicely as well.


Can you post up some pics please Velar? I'm hacked off with the discs glazing up and shite sliders and have been considering an upgrade for some time.

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R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.

Some of my services: (See my for sale threads)
Engine mount/chassis repair
Solid Beam Mounts BACK IN PRODUCTION
Harness bars
Posted 23rd Nov 2011 at 12:05
velar

Regular

Location: swindon

Registered: 04 Jan 2009

Posts: 448

Status: Offline

Post #6
Pictures of the brakes setup on my old track car

16s


17s


some build pictures of a similar setup I put on a 406 coupe, (306 mounting brackets are very similar, and the 25mm wheel spacer shown was only needed as I ran et37 wheels on the 406))







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L reg "black and blue" phase 1 track 6
Posted 23rd Nov 2011 at 18:23
daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,648

Status: Offline

Post #7
Is that the VLR Halfords/Tim Harvey 406 in the background? Love

________________________________________

R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.

Some of my services: (See my for sale threads)
Engine mount/chassis repair
Solid Beam Mounts BACK IN PRODUCTION
Harness bars
Posted 23rd Nov 2011 at 18:27
eliotrw

Seasoned Pro

Location: Southwark

Registered: 18 Jul 2010

Posts: 4,864

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Post #8
Velar how does the handbrake work then? Do you just not have one?

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Ex- Phase 3 China GTi-6 T-Reg
Posted 23rd Nov 2011 at 18:35
velar

Regular

Location: swindon

Registered: 04 Jan 2009

Posts: 448

Status: Offline

Post #9
It is actually Steve Sopers 2000 car,

Tim Harveys' car is the one I fitted the brakes to ( running with standard 406 suspension arms and hubs)

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L reg "black and blue" phase 1 track 6
Posted 23rd Nov 2011 at 18:35
velar

Regular

Location: swindon

Registered: 04 Jan 2009

Posts: 448

Status: Offline

Post #10
eliotrw wrote:
Velar how does the handbrake work then? Do you just not have one?


I run a hydraulic handbrake Thumbs up

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L reg "black and blue" phase 1 track 6
Posted 23rd Nov 2011 at 18:36
daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,648

Status: Offline

Post #11
Very nice, obviously hydraulic handbrake is'nt up to passing an MOT, does anyone make a more reliable rear caliper with a decent mechanical handbrake mechanisim too that fits a 306 without too much fuss?

________________________________________

R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.

Some of my services: (See my for sale threads)
Engine mount/chassis repair
Solid Beam Mounts BACK IN PRODUCTION
Harness bars
Posted 23rd Nov 2011 at 18:44
velar

Regular

Location: swindon

Registered: 04 Jan 2009

Posts: 448

Status: Offline

Post #12
Wilwood do a 4 pot radial mount caliper with mechanical handbrake levers built into it. I have a set on a a fireblade fisher fury. The handbrake is crap, but passes mot/scrutineering)

Wilwood

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L reg "black and blue" phase 1 track 6
Posted 23rd Nov 2011 at 18:53
judge dead

Regular

Location: Scotland

Registered: 30 Jul 2011

Posts: 397

Status: Offline

Post #13
you could just put old calipers back on for mot its only like 1-2 hrs work once a year Smile
Posted 23rd Nov 2011 at 18:55
eliotrw

Seasoned Pro

Location: Southwark

Registered: 18 Jul 2010

Posts: 4,864

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Post #14
Think of this scenario though.
Park on a hill
Hydraulic handbrake fails
Writes off a car at the bottom.
You Are f*ckED.

Whats the difficulty on getting rear calipers to work witha handbrake then. Excuse my ignorance

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Ex- Phase 3 China GTi-6 T-Reg
Posted 23rd Nov 2011 at 20:20
velar

Regular

Location: swindon

Registered: 04 Jan 2009

Posts: 448

Status: Offline

Post #15
Calipers have hydraulic pistons. So you need a lever or screw to force the pads against the discs.

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L reg "black and blue" phase 1 track 6
Posted 23rd Nov 2011 at 21:31
judge dead

Regular

Location: Scotland

Registered: 30 Jul 2011

Posts: 397

Status: Offline

Post #16
think of this park on a hill and put it in gear lol.
Posted 23rd Nov 2011 at 21:36
fatlapit

Seasoned Pro

Location: STOCKSFIELD

Registered: 02 Nov 2010

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Post #17
will a set of ds2500 pads not do??? i got 330 ksport brakes on mine well overkill

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Posted 29th Nov 2011 at 12:50
fatlapit

Seasoned Pro

Location: STOCKSFIELD

Registered: 02 Nov 2010

Posts: 3,040

Status: Offline

Post #18
will a set of ds2500 pads not do??? i got 330 ksport brakes on mine well overkill

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Posted 29th Nov 2011 at 12:50
fatlapit

Seasoned Pro

Location: STOCKSFIELD

Registered: 02 Nov 2010

Posts: 3,040

Status: Offline

Post #19
on the front

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Posted 29th Nov 2011 at 12:51

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