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SP250 brake calipers

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John-B
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SP250 brake calipers

Post by John-B » Wed May 08, 2019 5:31 pm

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Rear brake calipers no long available, will any thing else fit.

David S
Posts: 188
Joined: Sun Feb 21, 2016 9:23 am
Location: Forest of Dean

Re: SP250 brake calipers

Post by David S » Wed May 08, 2019 10:40 pm

There must be some somewhere.
Manners has them part [RH part No 136203 & LH part No 136203E] exchange/reconditioned at £449.04.
But I'm sure i have one in a cupboard in my shed... but they are handed so i need to know which side you need?
I think the standard ones are off another car [i.e. parts bin] and machined for the handbrake linkage to fit.
Get in touch with me if you want to take it further.

Paulkennedy
Posts: 74
Joined: Fri Feb 12, 2016 11:01 pm

Re: SP250 brake calipers

Post by Paulkennedy » Thu May 09, 2019 10:01 pm

Try pastparts.co.uk in Bury St Edmunds for all things regarding brakes, they are excellent.
Paul

Big Col
Posts: 404
Joined: Tue Feb 16, 2016 12:45 pm
Location: Leeds

Re: SP250 brake calipers

Post by Big Col » Fri May 10, 2019 12:29 pm

Rear callipers have been elusive for quite a while. Sadly they fall into a category of parts that may stay elusive.
Not enough need to warrant tooling up for production so people have to change from original spec to get around it.
It’s the sort of thing that people have on the shelf but are fearful to part with “ just in case “.
The model is just too popular and supported by suppliers for the club to throw money at.
Colin,
I may be slow but I’m rough as well !

grahamemmett
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Location: Northwich, Cheshire
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Re: SP250 brake calipers

Post by grahamemmett » Sat May 11, 2019 9:23 am

Barry Thorne used to have a list of equivalent parts from other cars. Not just brakes but all sorts.

Alternatively.....
I’m told that he rear axle from an MGB fits in place exactly.
Graham Emmett
Northwich, Cheshire
Joint DB18 Registrar (with Marcel Renshaw)
DB18 1949 LCV522 (Yes that one with the P100s)
https://www.db18.org

Big Col
Posts: 404
Joined: Tue Feb 16, 2016 12:45 pm
Location: Leeds

Re: SP250 brake calipers

Post by Big Col » Sat May 11, 2019 8:23 pm

Doesn’t the MGB rear axle have drum brakes ?
Colin,
I may be slow but I’m rough as well !

grahamemmett
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Re: SP250 brake calipers

Post by grahamemmett » Sat May 11, 2019 11:07 pm

No idea only repeating what I’d been told. I can’t see anybody would do that, would they ? :(
Graham Emmett
Northwich, Cheshire
Joint DB18 Registrar (with Marcel Renshaw)
DB18 1949 LCV522 (Yes that one with the P100s)
https://www.db18.org

Ian Slade
Posts: 455
Joined: Sat Feb 13, 2016 9:54 am
Location: Akrotiri Cyprus

Re: SP250 brake calipers

Post by Ian Slade » Sun May 12, 2019 8:09 am

The pistons are MK10 Jaguar, the caliper is peculiar to the SP purely because of the hand brake arrangement, if you can find a caliper that is similar for the mounting holes and the disc diameter it may be possible to weld on the handbrake lugs, welding has increased in capabilities since the SP was produced. Providing they are not cracked the caliper can be over bored and a sleeve shrink fitted in place to the original size or a similar size easily sourced if bore corrosion is the problem.
Owner since the 70's, Genghis is slightly to my left.

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