shauny bizzle
Member
Registered: 2nd Aug 06
Location: Sheppey, Kent Drives: Vectra GSI V6
User status: Offline
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hello im on about upgrading the brakes to bigger brakes, currently i have standard GSI front brakes, what size are they? what are the best stock upgrades? was thinking Veccy V6 brakes but do they bolt straight on? cheers in advance
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davieslim
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Registered: 15th Sep 08
Location: Glasgow City
User status: Offline
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gsi brakes are 256x20, vectras v6's are 288x25, yeah they will bolt straight on, need the discs drilled
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alan-g-w
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Registered: 9th Nov 07
Location: Glasgow
User status: Offline
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I thought 2.0 brakes were 256mm davie...?
edit: are gsi brakes the same as the 2.0's actually?
[Edited on 13-01-2010 by alan-g-w]
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Generation
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Registered: 7th Jul 09
Location: Essex
User status: Offline
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Isn't there clearence issuses with v6 brakes? I think disc size is the same on gsi/2.0's
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alan-g-w
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Registered: 9th Nov 07
Location: Glasgow
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Aye, after a bit of googling I think they are.
V6 brakes fit under athe vast majority of 15's, not too sure about GSi/sport rims.
[Edited on 13-01-2010 by alan-g-w]
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P1CK4D
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Registered: 19th Jun 06
Location: Around Essex Somewhere
User status: Offline
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V6 brakes don't seem to provide the best pedal feel. Use 2ltr brakes 256x24mm with a good pad and discs combo you wont go wrong. I shouldn't have, but I was running this set-up on my LET for a month or so with no probs.
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alan-g-w
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Registered: 9th Nov 07
Location: Glasgow
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tbh, as long as you're not a complete tard and know how to use a brake pedal V6's are a good bit better imo. I took 2.0's off mine to fit V6's and they've never not been able to stop me. I've been in a couple of pretty dodgy situations which they've got me out of anyway.
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shauny bizzle
Member
Registered: 2nd Aug 06
Location: Sheppey, Kent Drives: Vectra GSI V6
User status: Offline
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alrite guys cheers for the input i might go for the veccy v6s as theres one in my local scrappers lol so i dont need spiggot rings or anything like that or caliper adapters, ill be running 16's so not a problem so they are 288 not 308?
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P1CK4D
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Registered: 19th Jun 06
Location: Around Essex Somewhere
User status: Offline
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288's (V6) will be fine under 16's. I was running 280 4pots under 15's.
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barneykarl
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Registered: 29th Jul 06
Location: Stevenage
User status: Offline
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Also fit st/steel brake hoses goodrige etc and spiggot rings to line up discs correct, you will need to drill 288mm 5hole discs to a 4hole fit and fit new caliper bolts with loctite. 288mm has loads of room under 16" I have this set up or there are lots of other ways you could go, to be honest I think I should have fitted calibra turbo calipers might upgrade when its warmer.
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P1CK4D
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Registered: 19th Jun 06
Location: Around Essex Somewhere
User status: Offline
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I believe people use Fiat Coupe Turbo discs with the V6 calipers. They are 4stud fitment and the right size. Correct me if im wrong, but I dont think i am...
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shauny bizzle
Member
Registered: 2nd Aug 06
Location: Sheppey, Kent Drives: Vectra GSI V6
User status: Offline
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fiat coupe discs slightly smaller but also heard they fit as they are 4 stud
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P1CK4D
Member
Registered: 19th Jun 06
Location: Around Essex Somewhere
User status: Offline
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quote:
Originally posted by shauny bizzle
fiat coupe discs slightly smaller but also heard they fit as they are 4 stud
Only by 2mm or something I think. Id rather use something designed to fit a 4 stud than start drilling holes etc.
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shauny bizzle
Member
Registered: 2nd Aug 06
Location: Sheppey, Kent Drives: Vectra GSI V6
User status: Offline
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yeah kinda weakens it i think, ill have a look on ebay that'll tell me the size of coupe discs and think i might get EBC Green stuff pads
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shauny bizzle
Member
Registered: 2nd Aug 06
Location: Sheppey, Kent Drives: Vectra GSI V6
User status: Offline
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fiat coupe discs are 284mm wont that ridge the pad
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P1CK4D
Member
Registered: 19th Jun 06
Location: Around Essex Somewhere
User status: Offline
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quote:
Originally posted by shauny bizzle
fiat coupe discs are 284mm wont that ridge the pad
Never used them, wouldn't know. But for the sake of 4mm, I personally wouldn't care. Just me tho.
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shauny bizzle
Member
Registered: 2nd Aug 06
Location: Sheppey, Kent Drives: Vectra GSI V6
User status: Offline
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umm true mate cheers mr P1CK4D 
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alan-g-w
Member
Registered: 9th Nov 07
Location: Glasgow
User status: Offline
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Research the coupe turbo discs before buying them. I've got a feeling they're not thick enough or something, I was looking at them at one point but didn't think I could use them.
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DaveyLC
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Registered: 8th Oct 08
Location: Berkshire
User status: Offline
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You can use 280mm discs from a 4stud Meriva 1.7TD and V6 calipers.. *BUT* the V6 calipers are too big for the master cylinder on the Corsa, you are better off using 2.0 turbo discs from a calibra/cavalier.
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barneykarl
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Registered: 29th Jul 06
Location: Stevenage
User status: Offline
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Yes the v6 calipers do not offer a great pedal feel but they do work, pass mot no problem thats why I mentioned the calib turb calipers which I hope to fit in the near future as they use smaller pistons.
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shauny bizzle
Member
Registered: 2nd Aug 06
Location: Sheppey, Kent Drives: Vectra GSI V6
User status: Offline
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i was warned about the pedal feels spongy but isnt, are turbo calipers hard to find or am i best of jut going to 2.0 but they pretty much the same as ive got int they?/
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jay2907
Member
Registered: 12th Jan 09
Location: wakefield
User status: Offline
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i got astra gsi brakes front and calibra rear :/
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davieslim
Member
Registered: 15th Sep 08
Location: Glasgow City
User status: Offline
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ive got calibra turbo brakes front and rear and the brakes are perfect and have a proper pedal as well
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