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Author Corsa B brake upgrade
Big-mike
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Registered: 13th Dec 14
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15th Dec 14 at 20:22   View User's Profile U2U Member Reply With Quote
I'm looking to upgrade the front brakes on my 1.4 rally car.
I want to keep it on 14" wheels so was looking at mk2 astra 16v but after a bit of research I've noticed 1.6 corsa brakes are as big.
Could anyone tell me if there's any difference between the two or any other ideas ???
Cheers
Mike
Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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15th Dec 14 at 20:24   View Garage View User's Profile U2U Member Reply With Quote
16v brakes are 256mm x 24mm, Corsa ones are thinner.

[Edited on 15-12-2014 by Robin]
Big-mike
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Registered: 13th Dec 14
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15th Dec 14 at 20:26   View User's Profile U2U Member Reply With Quote
That's what I thought but on the Europarts website it lists 1.6 corsa front discs as 256 ??
Big-mike
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15th Dec 14 at 20:27   View User's Profile U2U Member Reply With Quote
I see ! So the thicker disc is the better option
Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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15th Dec 14 at 20:28   View Garage View User's Profile U2U Member Reply With Quote
Calipers are bigger on the astra too so there's more surface area on the piston and the discs would take longer to overheat
Big-mike
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15th Dec 14 at 20:29   View User's Profile U2U Member Reply With Quote
Sounds good to me ! I can get recipes calipers and discs no problem but seem to be struggling with caliper carriers
alan-g-w
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Registered: 9th Nov 07
Location: Glasgow
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15th Dec 14 at 21:20   View User's Profile U2U Member Reply With Quote
V6s will fit under 15s, well worth it imo. I went from 2.0s to the LMF kit and the difference was huge.
Jambo
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Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
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15th Dec 14 at 23:11   View User's Profile U2U Member Reply With Quote
V6 brakes weigh a tonne though.
alan-g-w
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Registered: 9th Nov 07
Location: Glasgow
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16th Dec 14 at 01:06   View User's Profile U2U Member Reply With Quote
No noticeable difference in handling when I fitted mine and, as said, braking improved hugely. You had to try hard to bake them whereas the 2.0s used to fade after just a bit of a pounding.
--ToM--
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Registered: 23rd Nov 07
Location: Wirral
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16th Dec 14 at 18:23   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by alan-g-w
V6s will fit under 15s, well worth it imo. I went from 2.0s to the LMF kit and the difference was huge.


He wants them under 14s though.......
alan-g-w
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Registered: 9th Nov 07
Location: Glasgow
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16th Dec 14 at 19:32   View User's Profile U2U Member Reply With Quote
Yup, just thought he should know how good the v6s are though so he's not limiting himself too much
--ToM--
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Registered: 23rd Nov 07
Location: Wirral
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16th Dec 14 at 19:34   View User's Profile U2U Member Reply With Quote
Which v6 do you mean the 288 or 308 ? Wonder if the 288 ones would go under a 14 doubt it though
taylorboosh
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Registered: 3rd Apr 07
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16th Dec 14 at 19:37   View User's Profile U2U Member Reply With Quote
I want some brakes for mine - thinking 200bhp so maybe v6 be fine?
taylorboosh
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Registered: 3rd Apr 07
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16th Dec 14 at 19:37   View User's Profile U2U Member Reply With Quote
Ohhh and 16s
Big-mike
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Registered: 13th Dec 14
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16th Dec 14 at 19:56   View User's Profile U2U Member Reply With Quote
I know 256 are the biggest to go under 14" It's a rally car so want to keep on 14" for better acceleration
taylorboosh
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Registered: 3rd Apr 07
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16th Dec 14 at 20:50   View User's Profile U2U Member Reply With Quote
I heard v6 have shit pedal feel too
--ToM--
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Registered: 23rd Nov 07
Location: Wirral
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16th Dec 14 at 21:13   View User's Profile U2U Member Reply With Quote
If you run braided flexis , some decent fluid like a dot 5.1 shouldn't have any problems, fit a new master cylinder too just incase yours is a bit tired chances are it's been on since new, iirc corsa servo/master cylinder set up is different to other vauxhall models so I don't think you can just lob a bigger one on I may be wrong though iv always done as I said in first part of the post never had issues even on track etc no fade or anything
Corsa_Sport21
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Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
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16th Dec 14 at 21:40   View User's Profile U2U Member Reply With Quote
Cavalier Turbo calipers are better than V6 calipers. Smaller piston so just bolt right on with good pedal feel, not as much travel as the v6 calipers.
taylorboosh
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Registered: 3rd Apr 07
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16th Dec 14 at 21:58   View User's Profile U2U Member Reply With Quote
I never seem to be able to find a straight answer on them - have you seen meriva master cylinders? Resivoir is seperate so could go upright but unsure if its that simple - ie will it fit corsa servo ect
monkeytwizzel
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Registered: 10th Aug 11
Location: Chard, Somerset
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17th Dec 14 at 22:23   View User's Profile U2U Member Reply With Quote
There`s a non abs 22mm cavalier one that will apparently fit on and the fluid reservoir holes are same,just need some different brakes lines for some reason.I`ve tried getting one from an autofactors but they are no longer kept.
taylorboosh
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Registered: 3rd Apr 07
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17th Dec 14 at 22:47   View User's Profile U2U Member Reply With Quote
How much are v6 brakes worth

 
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