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Preferably 10-15 plus years old so easy to find. I have damaged my escorts Wilwood caliper but cant afford new ones. I think I may use something out of the breakers and would like to know what to look for. Thanks.
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tristanh
Part of things
Routinely bewildered
Posts: 990
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Front or rear?
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Whether you believe you can, or you cannot, you're probably right.
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ChrisT
Club Retro Rides Member
Posts: 1,635
Club RR Member Number: 225
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There's a lot of cars with Brembo calipers as standard - Alfas, Renault Megane 225/Clio sport etc
I'm assuming they're alloy rather than cast....
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Fronts. And is that all Alfa's or specific ones?
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Last Edit: Oct 7, 2018 17:03:10 GMT by Deleted
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Would guess Porsche Boxter be the most common / cheapest.
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ChrisT
Club Retro Rides Member
Posts: 1,635
Club RR Member Number: 225
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Fronts. And is that all Alfa's or specific ones? Seems like a lot of Alfas, when I was looking I just put Brembo brake calipers into Ebay search and loads come up, some are vehicle specific whereas others are radial mount which might be better off for replacing the wilwoods.
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Would guess Porsche Boxter be the most common / cheapest. According to my ebay it would be cheaper to buy a complete set of Wilwoods incl disc's and pads......
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Fronts. And is that all Alfa's or specific ones? Alfa 166 v6 models, the 147/156 gta, and the more potent versions of the giulietta and mito all carry brembo callipers.
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Some Mercedes C-class etc. have Brembo's.
Otherwise the Mazda RX-7 FD ones are quite nice, I think Nissan used the same ones at some point too.
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Click picture for more
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z32 tt Sumitomo 4 pots- some are iron though.
Also Lexus LS400 315mm from later models are alloy and can be had cheap from a breaker.
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Thanks everyone. I'm visiting a friendly breakers tomorrow. Hopefully I can find something off that list.
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mk2cossie
Club Retro Rides Member
Posts: 2,937
Club RR Member Number: 77
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Peugeot 406 coupe v6, Focus RS, BMW 8series, BMW E38 7series with straight 6, Fiat Coupe, And some models of Alfa as mentioned above are all that come to mind at the mo
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ChasR
RR Helper
motivation
Posts: 10,188
Club RR Member Number: 170
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Whatever you get, check the Piston sizes first. I've had sliding pot calipers give me MUCH better performance than 4 pots, simply down to a piston mismatch. I went from saying a prayer that a 230BHP hot hatch would stop to actually stopping on a 5p piece. Unfortunately, I now needed half of a fuel tank to not stall the car . For that reason I'd avoid Boxster calipers as IME the effective Piston Area is much smaller than most sliding pot calipers out there. After all, a Boxster is much lighter on the front than most cars. IMHO people go with 'cheap' 4 pots like Boxster ones for dick length purposes. If you can't press the brakes as hard, of course, they won't overheat... Here's what happened with me. And yes, the difference was that much of a night and day difference. I know people said I could have changed my master cylinder but then I'd have to re-engineer the rear brakes too, hardly constructive: forum.retro-rides.org/thread/179517/exactly-influences-braking-powerIn short. -Pad size has no real effect on stopping power. Larger pads will last longer and *may* overheat less due to more material present. Force = Presssure/Area ; the Pistons are what apply the force... -As a rule of thumb stick to within 5% of the effective piston area of stock calipers. In short, a smaller effective piston area will give you a better and firmer brake pedal but poorer braking force. Larger pistons will give more braking force(power), but may give a longer pedal. The Equation for Effective Piston Area (EPA) of a caliper is easy. It's =Pi x No. of Pistons x radius of the piston (squared). For a Single sliding piston caliper, the number of pistons is assumed to be two ; In 4 pots, half of the pistons oppose the movement of the other side that's all. This PDF explains it well. www.rallydesign.co.uk/pdf/designing_4_pot_brakes.pdf
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Last Edit: Oct 7, 2018 21:27:38 GMT by ChasR
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wilwoods are so bloomin cheap though!
all the modern alloy stuff is huge and designed for much larger diacs and wheels than an escort to.
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what exactly is wrong with your calipers?
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was going to say wilwooods are cheap enough to replace, no messing about as you have the brackets and lines there etc..
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Peugeot 406 coupe v6, Focus RS, BMW 8series, BMW E38 7series with straight 6, Fiat Coupe, And some models of Alfa as mentioned above are all that come to mind at the mo These were the ones that I was going to post up as well
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tristanh
Part of things
Routinely bewildered
Posts: 990
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HiSpec seem well made and well priced too.
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Whether you believe you can, or you cannot, you're probably right.
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The bolts were not tightened, so one on each bracket came off, as I was towing it home. Then the inside of the wheels milled a bit off each one. I'll get a photo. Wilwood say they are dead after I sent photos.
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mk2cossie
Club Retro Rides Member
Posts: 2,937
Club RR Member Number: 77
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Rally Design do list Wilwoods that are a direc replacement for M16 calipers. Although you still have piston sizes to choose from I believe. I'd have gone for them on the Granny if the kit they did fitted behind my wheels But anything on 13inch wheels seems well catered for, and also the standard fitment alloy calipers are lug mount (unless Porsche, as they are radial), and I can imagine tricky to mount on small diameter discs close enough to the hub
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