Hi-Spec calipers rebuild - Brakes Forum - Peugeot 306 GTi-6 & Rallye Owners Club

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Subject: Hi-Spec calipers rebuild

vts_tibi

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Location: Nuneaton

Registered: 27 Apr 2007

Posts: 1,194

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Post #1

I'm in the middle of rebuilding a set of Hi-Spec Billet 4 calipers. (part of the Peugeot 285mm conversion)

Does anybody know what kind of paint did they use on the calipers OR what paint would whitstand the heat? As eventhough I've painted my original calipers with heat resistant caliper paint it went black after a few track sessions Thumbs down

And it seems like I would need at least a new dust seal kit, so it would be even better to fit new seals. What are the part numbers of the piston seals and the small O rings, where the brake fluid goes through one side to the oother? I guess HiSpec used existing seals from a car, and did not have their own size made!

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VTS
best 60' : 2.272
best 1/8 ET : 9.375 @ 74.42mph
best 1/4 ET: 14.603 @ 97.047mph

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Posted 22nd Jul 2012 at 20:53

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phillipm

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Location: Rotherham

Registered: 15 Oct 2006

Posts: 20,607

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Post #2

They should have been anodised originally.

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Posted 22nd Jul 2012 at 23:37

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vts_tibi

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Location: Nuneaton

Registered: 27 Apr 2007

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Post #3

It seems to be thicker than anodising!? Where it has scratches it looks like it has a kind of base coat. I don't strictly insist to make the same coat as HiSpec originally made, but I want a nice looking durable finish!

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VTS
best 60' : 2.272
best 1/8 ET : 9.375 @ 74.42mph
best 1/4 ET: 14.603 @ 97.047mph

Team Trackday™

Posted 23rd Jul 2012 at 07:08

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owain

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Location: Essex

Registered: 20 May 2009

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Post #4

Powder coated I'd imagine, the only reliable way if they're not anodised and the only way you'd have a "thick" finish. Chuck up a picture Yes

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Posted 23rd Jul 2012 at 07:59

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vts_tibi

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Location: Nuneaton

Registered: 27 Apr 2007

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Post #5

No closeup picture yet, but gonne snap one right now!

But as said above I don't care if the finish won't be original. As soon as it would look good and would not burn on a hot trackday I would be happy! So in reality I'm looking for a good high temp red paint!

________________________________________

VTS
best 60' : 2.272
best 1/8 ET : 9.375 @ 74.42mph
best 1/4 ET: 14.603 @ 97.047mph

Team Trackday™

Posted 23rd Jul 2012 at 10:44

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owain

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Location: Essex

Registered: 20 May 2009

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Post #6

Personally if you're stripping them down I'd not even consider anything other than powder coating. The finish is infinitely better, won't fade and is many times stronger than normal paint.

Cost me about £50 (18k HUF) to do mine, best money I ever spent on getting the finish of something right.

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Posted 23rd Jul 2012 at 10:52

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phillipm

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Location: Rotherham

Registered: 15 Oct 2006

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Post #7

Hmm, strange, all our hispecs are anodised. Fairly old now though, maybe they've switched to paint.

Anyway, either powdercoat or epoxy paint then.

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Posted 23rd Jul 2012 at 11:00

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vts_tibi

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Location: Nuneaton

Registered: 27 Apr 2007

Posts: 1,194

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Post #8

A bit of update on this.

- The calipers were stripped and they are at the powder coaters right now.

- All caliper bolts were derusted using Deox C, and now they are plated and yellow passivated.

- I bought the rebuild kit for both calipers - cost me around 8GBP in all! (they use a roadgoing car's pistons, so the seals can be bought for that, although I don't know what car is it as we only checked the dimensions to be be the same. If they'll work good I'll post the make and model Wink

)

- I bought a set of Exact braided brake lines with new banjo bolts.

- I bought brand new Brembo discs, as the guys at HiSpec were kind to tell me what discs are they:

"Renault 21 2.0 TXi or 2.0 Quadra from 1986-1994 with the following modifications:

PCD changed from 4 x 100 (D=14mm) to 4 x 108 (D=14mm)
Centre Bore changed from 61mm to 66.1mm"

These discs cost me 67GBP.

- The brake pads are Volvo 240 fitment (Volvo 200 240, 242, 244, 245, 262, 264, 265 ; 01/73>08/93 lucas caliper) with many compound options, but as the pads I received with the kit are in quite good nick I'm still undecided whether should I buy new or not....

________________________________________

VTS
best 60' : 2.272
best 1/8 ET : 9.375 @ 74.42mph
best 1/4 ET: 14.603 @ 97.047mph

Team Trackday™

Posted 20th Aug 2012 at 09:16

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matt evans

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Location: Stourbridge

Registered: 16 Sep 2009

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Post #9

Glad the plating process is working for you, did you get it sorted in the end?

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Nothing involving a 306 can be considered worthwhile.

Posted 20th Aug 2012 at 10:33

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coskev

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Location: Oswestry

Registered: 01 Nov 2009

Posts: 3,132

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Post #10

Had my Evo ones powdercoated Thumbs up

Looking forward to pics of yours fitted Smile

Can you do the machine work yourself on the discs?If not what sort of cost is it?

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Posted 20th Aug 2012 at 10:56

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vts_tibi

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Location: Nuneaton

Registered: 27 Apr 2007

Posts: 1,194

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Post #11

matt evans wrote:

Glad the plating process is working for you, did you get it sorted in the end?

Not really... still having issues with it, gonna ask Gateros plating a few questions again... But managed to plate the rest of the bolts LOL

coskev wrote:

Can you do the machine work yourself on the discs?If not what sort of cost is it?

My father already machined out the centre bores, and he'll make the PDC change soon, but if we don't have enough time we have a few friends with CNCs who will do the machining for free Big grin

________________________________________

VTS
best 60' : 2.272
best 1/8 ET : 9.375 @ 74.42mph
best 1/4 ET: 14.603 @ 97.047mph

Team Trackday™

Posted 20th Aug 2012 at 13:39

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vts_tibi

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Location: Nuneaton

Registered: 27 Apr 2007

Posts: 1,194

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Post #12

Brake pads. If I can find M1155 pads cheap enough I'll convince myself to buy a new set.

So far found these:

-http://www.camskill.co.uk/products.php?show=27768 66.30GBP
-http://www.vsport.com.au/ecommerce/index.php?productID=598 66GBP
-http://www.ebay.co.uk/itm/MINTEX-FRONT-RACING-BRAKE-PADS-VOLVO-200-SERIES-240-INJECTION-2-0-MGB576M1155-/330619193092 80.85GBP

HiSpec sells these for 79.85GBP excluding VAT, so they can keep their pads on the shelf...

________________________________________

VTS
best 60' : 2.272
best 1/8 ET : 9.375 @ 74.42mph
best 1/4 ET: 14.603 @ 97.047mph

Team Trackday™

Posted 22nd Aug 2012 at 08:40

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