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Re: Rear brakes [Re: ] #1179808
03/03/2011 15:31
03/03/2011 15:31

M
Marco20valveT
Unregistered
Marco20valveT
Unregistered
M



why thank you!!

Re: Rear brakes [Re: ] #1179809
03/03/2011 15:31
03/03/2011 15:31

M
Marco20valveT
Unregistered
Marco20valveT
Unregistered
M



OH MY GOD YOU HAVE A SMALL WINKY.

Re: Rear brakes [Re: ] #1179816
03/03/2011 15:40
03/03/2011 15:40
Joined: Dec 2005
Posts: 12,295
Sandhurst
Begbie Offline
Ex El Presidente
Begbie  Offline
Ex El Presidente
I AM a Coop

Joined: Dec 2005
Posts: 12,295
Sandhurst
Originally Posted By: Marco20valveT
OH MY GOD YOU HAVE A SMALL WINKY.

cloud9, that was for you and you only cry


Originally Posted by Jonny - After being taken out at Spa
Your car is Usain Bolt with wellies
Re: Rear brakes [Re: ] #1179817
03/03/2011 15:42
03/03/2011 15:42

M
Marco20valveT
Unregistered
Marco20valveT
Unregistered
M



laugh

Re: Rear brakes [Re: ] #1179866
03/03/2011 17:04
03/03/2011 17:04
Joined: Dec 2005
Posts: 9,706
Gone
J
Jimbo Offline
Je suis un Coupé
Jimbo  Offline
Je suis un Coupé
J

Joined: Dec 2005
Posts: 9,706
Gone
Here's another option for you Wilwood handbrake caliper

On the hydraulic handbrake side of things...Why? A hydraulic handbrake is for a rally car, a coupe isn't even a good track car never mind rally! You would also need a cable handbrake for the MOT.

Re: Rear brakes [Re: ] #1179875
03/03/2011 17:18
03/03/2011 17:18

M
Marco20valveT
Unregistered
Marco20valveT
Unregistered
M



i was waiting for you to arrive Jimbo!

how do the evos get away with it?
i cant see a place for it on the back of the evo caliper!!

Re: Rear brakes [Re: ] #1179937
03/03/2011 18:28
03/03/2011 18:28

F
Fran
Unregistered
Fran
Unregistered
F



There isn't a handbrake mechanism on the caliper.... I think they use a drum type setup for the handbrake, but could be wrong.

Re: Rear brakes [Re: ] #1180290
04/03/2011 07:38
04/03/2011 07:38

S
sparco
Unregistered
sparco
Unregistered
S



Marco do you actually press the brakes hard enough to need rear brakes??LOL

Anyone remember seeing my car at Time Attack in Snetterton will remember it trailing a rear brake at the end of the back straight. You need to be careful when pissing about with the rear brakes. If you're just chucking on bigger brakes you have no control over how they work. Fitting a manual bias valve is not that difficult or expensive and gives you more control over the rear effort. Just a thought as i've spent an inordinate amount of money on brakes all round and a few years getting them just so. There is no easy fix and it depends on what you are doing. I've just spent £1600 on a set of Brembo floating 2 piece discs which just shows if you want the right stuff it ain't cheap.

Re: Rear brakes [Re: ] #1180315
04/03/2011 09:25
04/03/2011 09:25

M
Marco20valveT
Unregistered
Marco20valveT
Unregistered
M



Sparco,
You have a bloody good point!!
On track, how much do I really need the brakes...

Also, what size brakes you moving to??

Re: Rear brakes [Re: ] #1180324
04/03/2011 09:42
04/03/2011 09:42
Joined: Dec 2005
Posts: 33,568
Berlin
barnacle Offline
Club Member 18 - ex-Minister without Portfolio
barnacle  Offline
Club Member 18 - ex-Minister without Portfolio
Forum Demigod

Joined: Dec 2005
Posts: 33,568
Berlin
Marco, on track, *you* need a 16NA!

<grin, duck, run>

Sparco makes the obvious point: there's no reason to do *anything* to the rear brakes on a coupe - or pretty much any road car - unless you're going to consider it as a complete system.

While there's an essential component whose sole purpose is to prevent the brakes working, there's little point in increasing the braking effort at the back end.

The front end on the other hand - why aren't you investigating ceramic discs?


[Linked Image]
Don't get no respect! Coupe Fiat 1994-2000 - an owner's guide <-- clicky!
Re: Rear brakes [Re: ] #1180329
04/03/2011 09:48
04/03/2011 09:48

N
Nobby
Unregistered
Nobby
Unregistered
N



There's a really great thread on Guy Crofts forum about uprating your brakes. I'll find it.

Found it:
http://guy-croft.com/viewtopic.php?f=14&t=1901

Last edited by Nobby; 04/03/2011 09:49.
Re: Rear brakes [Re: ] #1180338
04/03/2011 10:07
04/03/2011 10:07

M
Marco20valveT
Unregistered
Marco20valveT
Unregistered
M



my front end braking is fine at the moment, but as i hunt the need for more power, things will need to be increased as we go!

thanks Nobby, i was on guy's forum last night reading the customer car project.
there is a SO much info on that forum i love it!

Re: Rear brakes [Re: ] #1180353
04/03/2011 10:40
04/03/2011 10:40
Joined: Dec 2005
Posts: 9,706
Gone
J
Jimbo Offline
Je suis un Coupé
Jimbo  Offline
Je suis un Coupé
J

Joined: Dec 2005
Posts: 9,706
Gone
Tarox used to make a metal/ceramic disc for the front of the 20vt, it was hideously expensive and I doubt they ever actually sold a set. Just tried to search for a picture but even Tarox don't list them anymore.
click to enlarge

Last edited by Jimbo; 04/03/2011 10:54. Reason: found a pic
Re: Rear brakes [Re: ] #1180395
04/03/2011 12:06
04/03/2011 12:06

K
ktm450exc
Unregistered
ktm450exc
Unregistered
K



sparco.. so what would you suggest i do now ..i have compbrake 335ml front and tarox rear to make them work most effectively for on track?

Re: Rear brakes [Re: ] #1180411
04/03/2011 12:33
04/03/2011 12:33

S
sparco
Unregistered
sparco
Unregistered
S



Fit a brake bias valve then try it on track and adjust it to suit other wise you will end up with too much braking effort at the rear and an unstable car.

To answer the question of ceramic discs, i don't need them is the honest answer. I have changed to these Brembo ones as they are probably all i'll ever need. They are the exact same discs used in Nascar in the states and Brembo reckon i'll never need to change them. At £300 for each disc i'd hope to get some good life out of them. I don't see anything higher than 180 degrees and 200 is the marker really. If you don;t have heat pads then go by your calipers. If they discolour it's a sure sign that they are getting too hot. I use pagid pads all round , have a pedal box with full front - rear effort adjustment, and no servo so you have to press hard if you want to brkae hard. Removing the servo etc is quite extreme but it's the best for the track.

Re: Rear brakes [Re: ] #1180551
04/03/2011 17:57
04/03/2011 17:57

S
sediciRich
Unregistered
sediciRich
Unregistered
S



Forget the rear brakes, if you want them to look nice print out a big picture of some big brakes and sellotape behind the wheel. Powerful rear brakes are a risky business.

Re: Rear brakes [Re: ] #1180569
04/03/2011 18:37
04/03/2011 18:37

M
Marco20valveT
Unregistered
Marco20valveT
Unregistered
M



I think after a day of thinking, calling places and thinking about my bank balance....

I'm
Going to just sort out the rear compensator and paint the calipers.

If I where to do this, I would not see change from a few hundred pounds!!

Re: Rear brakes [Re: ] #1180570
04/03/2011 18:41
04/03/2011 18:41

J
jonone
Unregistered
jonone
Unregistered
J



get some textar rear pads

Re: Rear brakes [Re: ] #1180577
04/03/2011 18:45
04/03/2011 18:45

M
Marco20valveT
Unregistered
Marco20valveT
Unregistered
M



I already have some!

The rear brakes are not that great any way... It's the rear compensator, it needs a bit of TLC

Re: Rear brakes [Re: ] #1180586
04/03/2011 18:55
04/03/2011 18:55
Joined: Dec 2005
Posts: 33,568
Berlin
barnacle Offline
Club Member 18 - ex-Minister without Portfolio
barnacle  Offline
Club Member 18 - ex-Minister without Portfolio
Forum Demigod

Joined: Dec 2005
Posts: 33,568
Berlin
click to enlarge

Should sort it for you, Marco.


[Linked Image]
Don't get no respect! Coupe Fiat 1994-2000 - an owner's guide <-- clicky!
Re: Rear brakes [Re: ] #1180636
04/03/2011 21:01
04/03/2011 21:01
Joined: Dec 2005
Posts: 17,367
Staffordshire
Nigel Offline
Forum veteran
Nigel  Offline
Forum veteran

Joined: Dec 2005
Posts: 17,367
Staffordshire
I'll repeat a rear brake story I've told a few times - bear in mind that I've always run bog-standard cheapie rear discs, with Textar pads

After fitting some new front pads, I didn't secure the ABS cable properly, and it flapped about and eventually got caught around the driveshaft and got ripped off - result = no ABS frown

As the brakes still worked fine, I carried on driving it while I sourced a new sensor and cable and got it booked in at Motormech.

A couple of days later, on my daily commute, I spotted a puff of oil smoke in the rear view mirror when decelerating - I put this down to a tired turbo - it only ever happened when the engine was decelerating hard - ie when I was reducing the engine speed on the brakes, rather than a natural deceleration. I thought nothing more of it, other than to work out how to persuade Wifey that I needed a new turbo rolleyes

A few more days passed, and I spotted the oil smoke in the mirrors a couple more times. Then, one evening, I left work late and the roads were really quiet, so I decided to "make good progress" wink

So - down my usual commute route of twisty B roads, I started to edge the speed up, and as usual, I noticed the puff of oil smoke in my rear view mirror - nothing unusual there, but as I howled down a particularly nice straight and into a series of sweepers, I jumped on the brakes and very nearly put the car into the hedge, accompanied by a huge cloud of smoke behind me

It turned out that the 'oil smoke' was in fact tyre smoke from one of the rear wheels locking up on moderate braking. When I eventually got a chance to give the car a bit of a blast, the first time I hit the brakes hard, BOTH rear wheels locked up and sent me VERY sideways

So - the point of this rambling is that the standard Coupe rear brakes are more than capable of performing to the limit of the tyres - you have to remember that the standard weight distribution is 2/3 - 1/3 to the front, and this is even more pronounced under heavy braking - quite simply, there's probably less than a quarter of a ton on the rear wheels when you're hard on the brakes, so the rear brakes have very little work to do, other than keeping the car in a straight line

So - all you need is a correctly adjusted compensator valve and you'll be fine


[Linked Image]
Re: Rear brakes [Re: ] #1180648
04/03/2011 21:17
04/03/2011 21:17
Joined: Aug 2007
Posts: 8,057
Southsea
G
Gunzi Offline
Club member 189, Former Club President
Gunzi  Offline
Club member 189, Former Club President
Je suis un Coupé
G

Joined: Aug 2007
Posts: 8,057
Southsea
Marco there's a great guide to fixing the rear compensator in the how to section laugh

Re: Rear brakes [Re: ] #1180668
04/03/2011 22:09
04/03/2011 22:09
Joined: Jan 2010
Posts: 2,614
Bucks
jame5 Offline
I need some sleep
jame5  Offline
I need some sleep

Joined: Jan 2010
Posts: 2,614
Bucks
Just stick these on the back Brembo rear brake conversion kit rofl


Re: Rear brakes [Re: ] #1180677
04/03/2011 22:23
04/03/2011 22:23

M
Marco20valveT
Unregistered
Marco20valveT
Unregistered
M



Gunzi, I would rather pay you to do it for me!!! laugh

Or start charging per phone call!!!! laugh

Re: Rear brakes [Re: Gunzi] #1181060
05/03/2011 21:40
05/03/2011 21:40

R
RobShed
Unregistered
RobShed
Unregistered
R



Originally Posted By: Gunzi
Marco there's a great guide to fixing the rear compensator in the how to section laugh

As we know Gunzi, this with a thorogh caliper/pad service results in 4 heels being purposely stamped into the tarmac for rapid deccelerations. thumb

Last edited by RobShed; 05/03/2011 21:41.
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