Cooper Aluminum Calipers

General Chat with an emphasis on BMC Minis & Other iconic cars of the 1960's. Includes information on MK1 Action days.
360gts
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Cooper Aluminum Calipers

Post by 360gts »

Anyone knows if there are aluminum calipers available for the 997/998 Cooper. (Not new 4 pot types)......just something more period.
I know Girling made a larger version that fitted the S. Still have a couple sets of those here.
andy1071
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Re: Cooper Aluminum Calipers

Post by andy1071 »

AP Racing made an aluminium caliper -CP2696... -used on Triumph and other motorcycles, etc..
Now my memory is getting bad, because I can't remember if they use the Cooper or Cooper S pad... and I'm not sure it bolts straight-on,
-you'll have to contact them to confirm...
360gts
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Re: Cooper Aluminum Calipers

Post by 360gts »

andy1071 wrote: Mon Feb 05, 2024 12:12 pm AP Racing made an aluminium caliper -CP2696... -used on Triumph and other motorcycles, etc..
Now my memory is getting bad, because I can't remember if they use the Cooper or Cooper S pad... and I'm not sure it bolts straight-on,
-you'll have to contact them to confirm...
Thanks for the tip, Andy, will get in touch with them....cheers and thanks again
Dermott
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trevorhp
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Re: Cooper Aluminum Calipers

Post by trevorhp »

Dermott
You might try Performance Braking Monmouth
They helped me source parts for my 3 pairs of alloy calipers off my Vita Cars.
A lot of motorbike and sidecar guys used them in period.
p.s they don't have a website but always answer the phone.
Most helpful 'old school' service.
Trevor
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murty
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Re: Cooper Aluminum Calipers

Post by murty »

Hi,

The only alloy caliper that is a direct fit that I know of is the one Minisport sells (27H4656A and 27H4657A), but these are for a Cooper S.
Do you know the model is for the Girling caliper that fits the S (I'm not aware of this one).

Paul.
360gts
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Re: Cooper Aluminum Calipers

Post by 360gts »

murty wrote: Mon Feb 05, 2024 9:52 pm Hi,

The only alloy caliper that is a direct fit that I know of is the one Minisport sells (27H4656A and 27H4657A), but these are for a Cooper S.
Do you know the model is for the Girling caliper that fits the S (I'm not aware of this one).

Paul.
Paul, will dig them up and let you know. I know they used Triumph 1300 pads. Keep in mind....I bought the Girlings way back in the 70's.
The AP2696 caliper will fit directly onto the Cooer/S hubs.
Workinprogress
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Re: Cooper Aluminum Calipers

Post by Workinprogress »

Trying to Remember but some old fomula fords I think have used the S calipers. So maybe down that rabbit hole.
Bruce
murty
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Re: Cooper Aluminum Calipers

Post by murty »

360gts wrote: Mon Feb 05, 2024 10:08 pm
murty wrote: Mon Feb 05, 2024 9:52 pm Hi,

The only alloy caliper that is a direct fit that I know of is the one Minisport sells (27H4656A and 27H4657A), but these are for a Cooper S.
Do you know the model is for the Girling caliper that fits the S (I'm not aware of this one).

Paul.
Paul, will dig them up and let you know. I know they used Triumph 1300 pads. Keep in mind....I bought the Girlings way back in the 70's.
The AP2696 caliper will fit directly onto the Cooer/S hubs.
Thanks.

Do the CP2696 calipers fit beneath 10-inch wheels?
Before I discovered the Minisport calipers I looked at the AP Formula Ford caliper CP2577-14E0.
It has the correct bolt spacing, piston bore, and offset, but the caliper body was too big to clear 10-inch wheels.

Paul.
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mk1
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Re: Cooper Aluminum Calipers

Post by mk1 »

Specs of the CP2696
specs.jpg
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murty
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Re: Cooper Aluminum Calipers

Post by murty »

mk1 wrote: Tue Feb 06, 2024 9:21 am Specs of the CP2696

specs.jpg
Thanks Mark.

I see a couple of differences compared to Cooper S calipers.
The piston diameters are smaller (41mm vs 44mm) and the max disc thickness is thinner (6.4mm vs 10mm).
Also, the specs don’t specify the body size to determine if they’ll fit under 10-inch wheels.
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