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PostPosted: Tue Jul 18, 2017 4:43 pm 
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848cc
848cc

Joined: Sun Aug 17, 2014 3:54 pm
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Location: Willoughby, Sydney
Hi all,

Wondering if anyone can help. I have a 2/70 MK2 S in many pieces.

Brake and clutch master cylinders both measure 0.70. Both are plastic resevioir. One is alloy marked Lockheed, other is Cast iron marked Girlock.

Would either be the correct brake master cylinder ?

Any opinions on best option for clutch master ? Bore and sleeve one of the existing, try to acquire a correct 0.75, try and exchange somewhere for a refurbed clutch mc ?

Thanks in advance

Andrew


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PostPosted: Tue Jul 18, 2017 4:53 pm 
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1275cc
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Joined: Sun Apr 29, 2012 1:19 pm
Posts: 4336
Location: Wollongong, NSW
Minikingdom has them listed as exchange units:
https://minikingdomonline.com.au/produc ... -exchange/
Brake
https://minikingdomonline.com.au/produc ... ange-copy/
https://minikingdomonline.com.au/produc ... -exchange/

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PostPosted: Tue Jul 18, 2017 4:53 pm 
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Joined: Wed Sep 08, 2004 9:27 pm
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Location: Wodonga - Vic/NSW border
don't know the measurements, but my 7/70 car has 2 x cast iron with Lockheed reservoirs

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PostPosted: Tue Jul 18, 2017 5:43 pm 
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848cc
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Joined: Tue Sep 27, 2016 12:43 pm
Posts: 330
Location: Brisbane north
Atay wrote:
Hi all,

Wondering if anyone can help. I have a 2/70 MK2 S in many pieces.

Brake and clutch master cylinders both measure 0.70. Both are plastic resevioir. One is alloy marked Lockheed, other is Cast iron marked Girlock.

Would either be the correct brake master cylinder ?

Any opinions on best option for clutch master ? Bore and sleeve one of the existing, try to acquire a correct 0.75, try and exchange somewhere for a refurbed clutch mc ?

Thanks in advance

Andrew


Same configuration as my 3/70 Mk2 S which is also in many many bits. Sorry to be of no help, but will follow this thread.

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1970 Mk2 Cooper S under restoration


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PostPosted: Tue Jul 18, 2017 6:17 pm 
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998cc
998cc

Joined: Mon Dec 19, 2016 8:38 pm
Posts: 607
I sent my MCs to a brake shop also booster stainless liners etc cost $700. CS 4, 1970.Soon to be on road costing me big dollars. Full resto P7676


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PostPosted: Tue Jul 18, 2017 8:29 pm 
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1275cc
1275cc

Joined: Sat Feb 09, 2013 5:44 pm
Posts: 2176
Location: Camden
My 8/70 S has cast iron Girlock brake and clutch M/cylinders (plastic reservoir). Brake M/C = 0.70"; clutch M/C=0.75" Mine are probably original and resleeved.
There were alloy bodied M/cylinders but I don't know what they were meant for.


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PostPosted: Tue Jul 18, 2017 8:44 pm 
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848cc
848cc

Joined: Sun Aug 17, 2014 3:54 pm
Posts: 38
Location: Willoughby, Sydney
Thanks all for your responses. Very helpful. Cast iron it is. I will see if I can exchange the alloy .70 MC on a .75 cast one.


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PostPosted: Wed Jul 19, 2017 9:15 am 
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Location: Wodonga - Vic/NSW border
Bill B wrote:
There were alloy bodied M/cylinders but I don't know what they were meant for.


they came after the cast iron version - clubbies

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PostPosted: Wed Jul 19, 2017 7:17 pm 
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1275cc
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Joined: Thu Aug 31, 2006 7:56 pm
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Location: Muswellbrook -- NSW
Atay wrote:
Thanks all for your responses. Very helpful. Cast iron it is. I will see if I can exchange the alloy .70 MC on a .75 cast one.


Just clean them up and get them stainless steel sleeved .


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PostPosted: Wed Jul 19, 2017 9:16 pm 
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848cc
848cc

Joined: Sun Aug 17, 2014 3:54 pm
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Location: Willoughby, Sydney
From what I have read, clutch should be .75 and both MC's are .70

Am I right in thinking ditch one of the .70's for a .75 ?


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PostPosted: Thu Jul 20, 2017 4:11 am 
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1275cc
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Joined: Thu Aug 31, 2006 7:56 pm
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Location: Muswellbrook -- NSW
You don't have to ditch one , just ask them to sleeve to .75 .


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PostPosted: Thu Jul 20, 2017 7:08 am 
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848cc
848cc

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Location: Willoughby, Sydney
Gotcha. Thank you


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PostPosted: Thu Jul 20, 2017 11:17 am 
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848cc
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Joined: Tue Sep 27, 2016 12:43 pm
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Location: Brisbane north
goodie wrote:
You don't have to ditch one , just ask them to sleeve to .75 .

You would then have to get the internals to suit then. Are they readily available as spare parts with the 0.75 seal kit?

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1970 Mk2 Cooper S under restoration


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PostPosted: Thu Jul 20, 2017 7:39 pm 
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1275cc
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Location: Muswellbrook -- NSW
The Brake Specialist where you get it sleeved should be able to supply the cups for it .I'm not sure who does the sleeving in the Sydney area , someone on here may know .


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PostPosted: Thu Jul 20, 2017 9:18 pm 
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1275cc
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Joined: Sun Jan 21, 2007 9:16 pm
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Location: North of the Harbour planning my next mini project
Warringah Brake and Clutch at Brookvale can get them resleeved/reconditioned.
Usually a couple of days as they send them away
They did all my brake cylinders and pipes and hoses about 5 years ago

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1969 Cooper "S"
1967 Mini Deluxe
1973 Clubman Van (the fleet spare)
1978 ex 1275 LS ("Wizard" Eaton Supercharged) :)
2015 HSV GenF GTS(occasional drive & tow car)
2019 MINI F55 Cooper S


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