Is it true bout V6 brake upgrade on carsa B? - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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ado

Member

Registered: 19th Oct 03
Location: Chesterfield,midlands
User status: Offline

30th Jul 05 at 16:54

Hi guys,
Ive heard that the corsa B master cylinder isnt big enough to cope with V6 brake upgrade so pedal feels spongy!
Is this true?
As any1 experianced this prob?
Cheers Guys

CorsAsh

Member

Registered: 19th Apr 02
Location: Munich
User status: Offline

30th Jul 05 at 17:13

Some people complain of this, and some of those people claim it's sorted by usng braided hoses.

James R

Member

Registered: 4th Feb 03
Location: 205GTi16/306GTi16
User status: Offline

30th Jul 05 at 17:13

I find all corsa brakes spongy anyways

ado

Member

Registered: 19th Oct 03
Location: Chesterfield,midlands
User status: Offline

30th Jul 05 at 17:16

so wud 4pots cure the spongyness then?

Siberia

Member

Registered: 9th Oct 03
Location: Leprechaun Land Drives : Zafira GSI
User status: Offline

30th Jul 05 at 18:12

quote:
Originally posted by ado
so wud 4pots cure the spongyness then?

not really...

i would suggest using a 16v tigra master cylinder if the spongyness annoys you that much...

ado

Member

Registered: 19th Oct 03
Location: Chesterfield,midlands
User status: Offline

30th Jul 05 at 18:35

R the tigra master cylinders that much better then, how cum, whats the dif?

boyracer2002

Member

Registered: 10th Aug 02
Location: West Yorkshire
User status: Offline

30th Jul 05 at 18:42

i got 308mm v6 brakes on mine, was well better when i fitted the braided hoses - dont mind the feel though tbh.

Ant

Member

Registered: 12th May 02
Location: Hereford and Worcester
User status: Offline

30th Jul 05 at 18:43

would have thought the tigra cylinder is the same as the one found on sports, which i find to be poo, even with 2.0 brakes and braided lines pedal feel is very poor.

All comes down to how much displacement the m/cylinder has, and how much is needed to move the pistons in the caliper, with 4 pots I would have thought more displacement required to move the extra pistons

Twiggy

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Registered: 15th Oct 04
User status: Offline

30th Jul 05 at 20:08

i went from 1.6 brakes to v6 with braided hoses and i find them fine??

Steve Smith

Member

Registered: 28th Nov 00
Location: Doncaster, South Yorkshire
User status: Offline

30th Jul 05 at 21:34

All corsa b and tigra a master cylinders are the same apart for LHD vehicles and if ABS is fitted. I have looked into upgrading mine and there aint no upgrade from another vaux.

Adam_B

Member

Registered: 13th Dec 00
Location: Lancashire
User status: Offline

30th Jul 05 at 21:36

quote:
Originally posted by aritchie
would have thought the tigra cylinder is the same as the one found on sports, which i find to be poo, even with 2.0 brakes and braided lines pedal feel is very poor.

All comes down to how much displacement the m/cylinder has, and how much is needed to move the pistons in the caliper, with 4 pots I would have thought more displacement required to move the extra pistons

But the pistons are smaller so in theory it should be better, but tbh i didnt notice a difference. All corsas have crap pedal feel with the original MC.

Siberia

Member

Registered: 9th Oct 03
Location: Leprechaun Land Drives : Zafira GSI
User status: Offline

30th Jul 05 at 23:01

quote:
Originally posted by aritchie
would have thought the tigra cylinder is the same as the one found on sports, which i find to be poo, even with 2.0 brakes and braided lines pedal feel is very poor.

All comes down to how much displacement the m/cylinder has, and how much is needed to move the pistons in the caliper, with 4 pots I would have thought more displacement required to move the extra pistons

i had v6 brakes on my corsa... 1.2 8v master cylinder.. the brake pedal wasent great but they stoped the car fine...

the same brakes are on my misus's tigra and i have to say there is no spongy pedal whatsoever... infact her brakes are amongst the best i have ever eperienced on any car....

maybe yer master cylinder might be damaged?

Siberia

Member

Registered: 9th Oct 03
Location: Leprechaun Land Drives : Zafira GSI
User status: Offline

30th Jul 05 at 23:02

quote:
Originally posted by Steve Smith
All corsa b and tigra a master cylinders are the same apart for LHD vehicles and if ABS is fitted. I have looked into upgrading mine and there aint no upgrade from another vaux.

i doubt the early 8v master cylinders are the same as the later 16v ones....

Ant

Member

Registered: 12th May 02
Location: Hereford and Worcester
User status: Offline

31st Jul 05 at 00:51

quote:
Originally posted by Siberia

quote:
Originally posted by aritchie
would have thought the tigra cylinder is the same as the one found on sports, which i find to be poo, even with 2.0 brakes and braided lines pedal feel is very poor.

All comes down to how much displacement the m/cylinder has, and how much is needed to move the pistons in the caliper, with 4 pots I would have thought more displacement required to move the extra pistons

i had v6 brakes on my corsa... 1.2 8v master cylinder.. the brake pedal wasent great but they stoped the car fine...

the same brakes are on my misus's tigra and i have to say there is no spongy pedal whatsoever... infact her brakes are amongst the best i have ever eperienced on any car....

maybe yer master cylinder might be damaged?

Nope iv changed the master cylinder just in case!! think it is just corsa pedal feel is rubbish and fitting bigger calipers can only make it worse. I didnt quite notice how bad it was until i started driving my other car more.

Dave A

USER UNDER INVESTIGATION - DO NOT TRADE

Registered: 10th Dec 03
Location: County Durham
User status: Offline

31st Jul 05 at 13:06

a lot wores with abs as well ive been told.

2.0 16v calipers with good discs and pads are more than capable anyway.

MoNkEy MaGiC

Member

Registered: 12th Apr 03
Location: West - London Drives: Corsa GSi
User status: Offline

31st Jul 05 at 16:26

i got 2litre spec brakes on my GSi, 16v GM calipers and 256mm disc

the brake power and pedal feel is brilliant, however the pedal does get lower after couple months after each bleeding, i guess i need some braided lines

Siberia

Member

Registered: 9th Oct 03
Location: Leprechaun Land Drives : Zafira GSI
User status: Offline

1st Aug 05 at 12:53

quote:
Originally posted by MoNkEy MaGiC
i got 2litre spec brakes on my GSi, 16v GM calipers and 256mm disc

the brake power and pedal feel is brilliant, however the pedal does get lower after couple months after each bleeding, i guess i need some braided lines

after having v6 brakes and 4-pots ive went back to this setup... there great!

Fear

Member

Registered: 20th Nov 02
Location: Down off the hill
User status: Offline

1st Aug 05 at 20:01

yeh they feel spongy but fook me if you need to they do stop well!

Ant

Member

Registered: 12th May 02
Location: Hereford and Worcester
User status: Offline

2nd Aug 05 at 22:54

yes they do stop well but pedal feel will be poor (compared to a modern car) its the science of it... it has to be.

Jambo

Member

Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
User status: Offline

3rd Aug 05 at 00:13

Agree with Fear, not the best pedal feel, but u just have to work them harder.

THey have got me out of many a sticky situations!!

davcohen

Member

Registered: 1st Nov 03
Location: North London
User status: Offline

5th Aug 05 at 22:03

my brakes feel rubbish, Corsa Gsi 16v pre-ecotec im going to fit 2 litre spec brakes and i just hope this stops better, i really have to put my foot to the floor to slow the car down

amazing as in my astra without ABS with the same upgrade done it stops very quickly and has good feeling

btw will i loose the ABS by changing the calipers and disc's

craigpcg

Member

Registered: 17th Mar 01
Location: West Lothian
User status: Offline

6th Aug 05 at 14:31

iv got the v6 set-up and disc´s on the rear + braided hoses alround and i think that the brakes are pritty good like 1000000x better than standard 1´s

each to there own i suppose.

broster

Premium Member

Registered: 6th Dec 02
Location: Drives: E39
User status: Offline

6th Aug 05 at 19:36

quote:
Originally posted by craigpcg
iv got the v6 set-up and disc´s on the rear + braided hoses alround and i think that the brakes are pritty good like 1000000x better than standard 1´s

each to there own i suppose.

i have the same set up and i cant fault them, the rear discs take some fiddeling with the get them just right due to a stripped out rear

LukeGSi

Member

Registered: 9th Dec 03
User status: Offline

6th Aug 05 at 20:56

I've got V6 fronts, standard rear drums and braided hoses allround, pedal is soft no matter I do but they still stop well.

RICKYROOVFA

Member

Registered: 28th Jun 04
User status: Offline

7th Aug 05 at 01:33

anybody tried bleeding the brakes with the engine running?, i find this always helps.

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