jjcymru
Member
Registered: 28th May 02
Location: ammanford,south wales
User status: Offline
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Im doing my brakes this month so ive 100% decided on....
REAR astra disc conversion -should stop well and look great!
But up front is a bit of a dilemma....
1. 256mm astra 16v callipers and vented discs
2. V6 4 stud 284mm discs and callipers
3. Willwood superlite callipers and discs under 15" wheels.
Astra 16v brakes all round would be good but id rather the front have a hell of a lot more power than the back.
Been told that v6 callipers have very big pistons which mean pedal travel is increased cos u have to shift more fluid.
4 pots speak for themselves and have been told that theyre the best with rear discs as having two smallish pistons on each calliper face will have greater pressure on the pad with minimal fluid movement and therefore less pedal travel.
Also been recommended in upgrading servo or master cylinder as my 1.2 corsa one is allegedly too small???
Anyone running any of the above brake specs please comment.
Cheers,
JJ
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vauxtillidie
Member
Registered: 27th Dec 02
Location: Manchester Drives: Cav turbo/Corsa C20XE
User status: Offline
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i asked on here bout changin my servo/master cylinder cus mines a 1.2 too an when i fitted astra brakes it didnt seem to be much better, but i got told u cant change it so ill be watchin this thread incase neone ses otherwise 
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stuyw
Member
Registered: 15th May 02
Location: North West Drives: Rev3 MR2 Turbo
User status: Offline
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unless ur running big bhp or for rally/track use then ur better off sticking to 16v or V6 brakes
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jjcymru
Member
Registered: 28th May 02
Location: ammanford,south wales
User status: Offline
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all corsa servos are the same according to EPC
I may try a cavalier 2.0 servo if mine doesnt feel ok
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jjcymru
Member
Registered: 28th May 02
Location: ammanford,south wales
User status: Offline
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ill be running approx 220bhp with an intention to rally it over the winter
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vauxtillidie
Member
Registered: 27th Dec 02
Location: Manchester Drives: Cav turbo/Corsa C20XE
User status: Offline
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ive luked into gettin a servo from another vaux e.g cav or astra but they are all mounted in a different way to the corsa, the corsa one is above the pedal wheras the astra's and cavs are on the rite hand side as u luk in the engine bay iirc
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jjcymru
Member
Registered: 28th May 02
Location: ammanford,south wales
User status: Offline
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yes but theres still a pushing movement from the pedal linkage to the servo in a straightline movement.
The acutator fork points into the back of the servo anyhoo!
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vauxtillidie
Member
Registered: 27th Dec 02
Location: Manchester Drives: Cav turbo/Corsa C20XE
User status: Offline
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yeh i know that, spose its possible to adapt one to fit but i meant that the way they bolt on in the cav/astra are different to the corsa
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