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Author Rear disc conversion
cafc-corsa
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Registered: 2nd Jan 04
Location: welling
User status: Offline
3rd Feb 04 at 21:13   View User's Profile U2U Member Reply With Quote

Alright people,
I want to do a rear disc conversion on my 1.4 corsa sri, at the moment its got gay drums so whats involved in doing this (what parts would i need) or is the kit on PVD the best way for doing this?

Tar Muchley
cafc-corsa
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Registered: 2nd Jan 04
Location: welling
User status: Offline
3rd Feb 04 at 21:29   View User's Profile U2U Member Reply With Quote

Bassically because theres a 2 litre going in soon
Fraser Young
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Registered: 26th Dec 02
Location: Dundee City Drives: 58 Impreza WRX
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3rd Feb 04 at 21:31   View User's Profile U2U Member Reply With Quote

tbh better off fitting a set of big front discs than gettin rear discs...

Daimo got Rear discs i think tho, ask him if u set on it...

p.s. Help Zone forum exists
boyracer2002
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Registered: 10th Aug 02
Location: West Yorkshire
User status: Offline
3rd Feb 04 at 21:33   View User's Profile U2U Member Reply With Quote

Go to scrappers and unbold rear discs off a cav,astra mk3, claibra ( 4 bolts at back)

Phone courtney or pvd, jus ordered my disc conversion plates and handbrake cable off courtney today totalled about 73 or summat like that
Matt.H
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Registered: 12th Mar 03
Location: Church Gresley, Derbyshire
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3rd Feb 04 at 21:35   View User's Profile U2U Member Reply With Quote

u2u sent mate
cafc-corsa
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Registered: 2nd Jan 04
Location: welling
User status: Offline
3rd Feb 04 at 21:40   View User's Profile U2U Member Reply With Quote

Cheers for the u2u matt, looks helpfull mate, Cheers to everyone else aswell.
S4M
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Registered: 1st Feb 04
Location: Bluewater-ish Drives: Corsa B 1.2i 8V
User status: Offline
3rd Feb 04 at 21:42   View User's Profile U2U Member Reply With Quote

Nice, your a Charlton fan. So am i, i used to live in bexleyheath moved out the area couple of months ago. My G/friend live in wellin mayb ill see u about
Fad
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Registered: 1st Feb 01
Location: Dartford Kent Drives: 330cd
User status: Offline
3rd Feb 04 at 21:54   View User's Profile U2U Member Reply With Quote

I'm usually in the area too seeing as i got mates who live up eltham way
Ojc
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Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
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4th Feb 04 at 12:52   View User's Profile U2U Member Reply With Quote

I have heard horror stories of the rear discs locking up.

Do you reckon its worth doing this to my Nova? Already got Astra GTE 16v discs, calipers and a Nova GSi brake servo.

Adam-D
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Registered: 11th May 02
Location: Cheshire
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4th Feb 04 at 12:56   View User's Profile U2U Member Reply With Quote

my drums lock up let alone disks
its not nice when it happens either
Daimo B
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Registered: 20th Mar 00
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4th Feb 04 at 12:59   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Ojc
I have heard horror stories of the rear discs locking up.

Do you reckon its worth doing this to my Nova? Already got Astra GTE 16v discs, calipers and a Nova GSi brake servo.




HEard the same. NEver had it once, never even actaully heard anyone say they have had that problem either.

Also heard that it flips the Corsas Can't say i've ever heard any real stories about that either.

Also heard that Jordan was getting her breasts reduced. Remember, dont always believe everything u hear.

YEs, do it to the nova.

Oh, Adam, yeah, my drums used to lock up also. AS i say, never happened once with teh discs.
Ojc
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Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
User status: Offline
4th Feb 04 at 14:24   View User's Profile U2U Member Reply With Quote

With a brake bias valve maybe I could set the rear brakes up for maybe a little less force than normal to prevent them locking up.
Andy
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Registered: 28th Dec 99
Location: Cumbria, UK
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4th Feb 04 at 14:31   View User's Profile U2U Member Reply With Quote

[quote

REar brakes take up 25% of braking and stabalisation. NOT 15-20%.



Yes - as standard. But if you fit bigger brakes up front (which is the place to start), rears do even less as a % of overall braking.

My advice would be that while we can debate the merits of a rear disc conversion, the best way to improve braking to start with is improving what's up front
Ojc
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Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
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4th Feb 04 at 14:37   View User's Profile U2U Member Reply With Quote

Which I have done, so with only a X14/16XE up front its not really worth the hassle of fitting discs to the rear.

Just get my drums re-built?
Andy
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Registered: 28th Dec 99
Location: Cumbria, UK
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4th Feb 04 at 14:46   View User's Profile U2U Member Reply With Quote

It depends what you're after. If it's aesthetics - then rear discs do look good - no arguing about that. But whether they actually imporve braking performance is debateable. I've never driven a Corsa with before and after rear disc conversion, so can't comment personally. But I have been told by at least 3 different people who rally Corsas, that it's a much better idea to spend the 400 odd you would have to fork out for rear discs on making the fronts even better and leaving the drums on. I use Wilwood 4-pots and 285 discs up fron t and standard drums at the rear - it's very impressive stopping power

[Edited on 04-02-2004 by Andy]
Ojc
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Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
User status: Offline
4th Feb 04 at 14:51   View User's Profile U2U Member Reply With Quote

Your opnion is one of the only few that I listen to on CS and you have made my mind up.

Re-build the drums and make do with the 256 discs, Astra GTE calipers and Nova GSi servo with braided lines.

Cheers Andy
Andy
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Registered: 28th Dec 99
Location: Cumbria, UK
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4th Feb 04 at 14:56   View User's Profile U2U Member Reply With Quote

Well I'm flattered you think that At least the route you're going, you still have the option of adding them later, but you might find in the meantime that what you have in a light Nova is more than enough and you'll have saved yourself some serious dosh!
Gambit
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Registered: 5th Jun 00
Location: Common Sense HQ
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4th Feb 04 at 14:58   View User's Profile U2U Member Reply With Quote

no real increase in braking ability but can give a smoother more progressive feel when braking
FlamingCorsa
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Registered: 22nd Apr 03
Location: Shropshire
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4th Feb 04 at 17:17   View User's Profile U2U Member Reply With Quote

i am not sure if rear disk are gonna b betta but i done it few days ago purely for looks!

i got 2 sets of rear disks and a rear axle off astra or summit for 20, took my axle off the corsa, drums off, cut plates off, welded new plates off the astra/cav beam on corsa beam and put all back 2 gether!

need 2 make some new brake lines now and get handbrake sorted, part from that not as hard as i thought it was gonna b really!

not finished yet tho - hehe

just put the axle back on the car cos needed wheels back on the car and looks tidy:-)
Ojc
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Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
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4th Feb 04 at 17:17   View User's Profile U2U Member Reply With Quote

Rear discs just a cosmetic mod, not performance enhancing.

Andy
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Registered: 28th Dec 99
Location: Cumbria, UK
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4th Feb 04 at 17:20   View User's Profile U2U Member Reply With Quote

Waits for Daimo to wade in......
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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4th Feb 04 at 17:26   View User's Profile U2U Member Reply With Quote

Andy.... read the thread (fastest FWD car on here)
Daimo B
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Registered: 20th Mar 00
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4th Feb 04 at 17:42   View User's Profile U2U Member Reply With Quote



U all know i love my rear discs

And, drums or discs? If they dont do much different, why give most performance cars rear discs? If drums do the job just as well?

Saxos get rear discs.

The Corsa C comes with rear discs on teh higer models

Discs are better than drums, period, case closed
Andy
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Registered: 28th Dec 99
Location: Cumbria, UK
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4th Feb 04 at 17:54   View User's Profile U2U Member Reply With Quote

I think the issue here Daimo is that if you had some money to spend, would you be better spending it on swapping the drums for rear discs, or would you keep the drums and upgrade the fronts? I know which I'd do...
Daimo B
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Registered: 20th Mar 00
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4th Feb 04 at 17:56   View User's Profile U2U Member Reply With Quote

But the whole rear disc conversion costs about 50 tops to do.

Thats nothing really.

True, if i had standard brakes, i would upgrade the FRONT end first (AS i did to my 288mm jobbies) THEN move to doing the rears after (as i done).




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