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Brake Upgrade

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Apr 19, 2018
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Armagh, Northern Ireland
Hi all

Im looking for some bigger brakes for my Mk3 gsi project .

Looking to keep the gsi stepdowns so i think from doing a bit of reading that i need 288mm max to fit under the wheels.

What model/year Vauxhall can i get calipers and carriers from to fit?

Thanks

Sean
 

astranaut

North West & North Wales Regional Co-ordinator
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Vectra B, they should all have them bar the 1.6 and some 1.8s. Disc wise you'll need to either redrill a 5 stud set or some off a certain lotus fit i think I remember someone saying?
 

AndyB-Redtop

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I have brakes from a 1995 Vectra B SRi on my GSi. 288 front, 286 rear. Vectra B front hubs press straight into the GSi front wheel bearings, the rear Vectra hub bolts straight onto the GSi axle. Callipers bolt directly on I think, front pistons are 57mm, rear 35mm. The GSi 22mm M/C & Servo will work ok, However, the way forward is to upgrade to the Vectra B 23.8mm M/C, or Calibra turbo one (Rare), to get a firmer, less travel pedal. A few lads on here have done this modification, and is where I got the idea and massive help from Harvey & Todd100. I'm actually in the process of doing the M/C upgrade at the moment. The brakes were already on the car, I'm just waiting for the M/C to come in the post from Germany. I've fully rebuilt my callipers with a complete seal kit from Big-Red Brakes, and also fitted HEL braided hoses (Flexi sections only). Hopefully I can get this all bleed up as soon as I get the M/C. I'm excited to feel how the braked feel with this upgrade. If i can help You in any other way if you choose to go down this route, please let me know. Hope this helps.

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