 | Home > Maintenance & Modifications > Brake caliper paint |
 
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| Screbble Member Since: 26 Apr 2015 Location: Lancashire Posts: 2098   
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I like your method of removing the old pistons
I’ve used various rattle cans over the years but prefer the brush application for VHT paint. The well known high street motor accessory chain beginning with H sells some good VHT paint, but my most recent purchase was from a motorcycle store. It’s lasted well.  Click image to enlarge Blue = +5bhp Red = +10bhp Yellow =+20bhp Gold = warp factor 9 |
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17th Sep 2022 5:51pm |
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| The Zee Member Since: 26 May 2019 Location: Salisbury Posts: 289 
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I believe that Brake Caliper Speclists (BCS) sell the paint they use: https://www.bcs-automotive.co.uk/high-temp...per-paint/
I've used them to overhaul a set of calipers for my previous SAAB, they did an excellent job of a complete rebuild, in a custom colour; OEM satin black. Zaid-M
www.DefencePhotos.com 2014 Defender 110 Utility, 2.2 Puma, Indus Silver Not just transport more like a religion |
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17th Sep 2022 6:12pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17367 
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Thanks Screbble, the jackscrew method was the only thing that was going to shift these pistons, and although the pistons a majorly corroded the caliper bores are fine.
Did you prime before brushing or just apply to clean bare metal? I was looking at the BCS website, they seem to know what they're doing! |
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17th Sep 2022 6:15pm |
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| The Zee Member Since: 26 May 2019 Location: Salisbury Posts: 289
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Blackwolf,
there is a primer from BCS, I'd be inclined to prime, then 2 coats of your colour of choice. the primer both providing the bonding interface between surface and colour coat, but also smothing the surface of the caliper so hiding any imperfections and providing / resulting in a better final finish. If you can get a gravity feed small spray gun or airbrush for best results (the type used for small smart repairs like ChipsAway) As for colour; (Caveat : in my opinion, no offence ) Silver - looks like nothing has been done 
Red - Trying to hard to look like Brembos 
Yellow - Trying to hard to look like Porsche 
Black - Nobody will see your hard work 
Gunmetal / anthacite - perfect compromise  Zaid-M
www.DefencePhotos.com 2014 Defender 110 Utility, 2.2 Puma, Indus Silver Not just transport more like a religion |
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17th Sep 2022 6:29pm |
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| Screbble Member Since: 26 Apr 2015 Location: Lancashire Posts: 2098
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I didn’t prime but did very thoroughly degrease and ‘roughen’ up the surface. The directions that were supplied with the VHT paint suggested to apply direct - but ordinarily I would have applied primer.
I agree with Zee regarding the colours and when it’s time to change I’ll be opting for anthracite 👍 I suspect that might only increase BHP by >2.5%  |
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17th Sep 2022 6:40pm |
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| kenzle8a Member Since: 12 Feb 2020 Location: None Posts: 1074 
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Most vht is primerless and in my exp goes on very well, the best trick I’ve learned on cast steel parts is to heat them with a mapp torch before painting as it lifts all the oils out of the rough
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17th Sep 2022 7:20pm |
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| Mossberg Member Since: 29 Feb 2020 Location: Lancs Posts: 553 
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Just incase you are as tight as I am, Lidl currently have high temperature matt black in a rattle can for £4
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17th Sep 2022 8:18pm |
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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3414  
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How about re plating them?
I have my small diy zinc plating bath that want to eventually try re plate my calipers. But probably paint is longer lasting (as long as it can resist minor spills of hydraulic fluid during bleeding) as the zinc is kind of sacrificial. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing 2012 90 CSW, 2.2TDCI, Santorini Black |
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18th Sep 2022 2:20am |
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| LR90XS2011 Member Since: 05 Apr 2011 Location: bickenhill Posts: 3641 
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I've just used Hammerite smooth on all my cars with no primer but good prep, and it has lasted very well.
Did the landy 9 years ago and look as good as the day I did them (although it is low mileage and lives in a garage) I used the gold that looks a bit like an anodised calliper. DEFENDER 90 TDCI XS, I hope everyone is well and your land rovers make you happy |
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18th Sep 2022 5:46am |
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| rustandoil Member Since: 08 Sep 2012 Location: Cotswolds Posts: 738  
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I don't know about prices but for another company to do the work for you have a look at https://www.biggred.co.uk/
I've not used them myself but seem to offer a professional service |
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18th Sep 2022 6:26am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17367
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Thanks all, some interesting and useful suggestions here.
I'm not sure that plating is a good idea since I wouldn't want to plate the machined galleries, seal recesses, nor cylinders, and I don't see how this could be avoided. If I'm honest I'm painting them for protection and longevity not looks and bling (my Defender is functional not decorative!), and certainly not for the mythical extra performance! |
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18th Sep 2022 7:24am |
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| Screbble Member Since: 26 Apr 2015 Location: Lancashire Posts: 2098
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Absolutely right Blackwolf!
At times like this I ask myself “what would Kahn do?” And then I do the opposite. (Except for blingy red calipers which I do like because of other red themes going on on my truck…) Anthracite it is then Blackwolf
Don’t forget to book the Dyno…  |
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18th Sep 2022 7:31am |
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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3414
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Just mask, same as you would do for painting
 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black |
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18th Sep 2022 7:32am |
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| Mossberg Member Since: 29 Feb 2020 Location: Lancs Posts: 553
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Just one note, some paints may require you to bake the paint on, so it may be worth you doing the painting before building. This even goes for the Lidl £4 stuff.
I got a tin of black paint on brake caliper paint. I de-greased the Britpart calipers with brake cleaner, scotchbright then paint thinnerswipe down. Painted them with a brush and was very disappointed with the result. Paint was coming off as I added another coat. I then replaced my rear calipers. Cleaned them with IPA, scotchbright, IPA then painted with the Lidl paint. It went on easy and gave a nice even matt finish. Unfortunately I couldn't bake them as I had nothing to bake them in. I can't give you feedback on how well they last as I don't use the truck enough, but I would say preparation is a major key. |
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18th Sep 2022 9:14am |
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