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brake/clutch master cylinder
https://ausmini.com/forums/viewtopic.php?f=5&t=1698		 Page 1 of 1
Author:  dude [ Sat Aug 28, 2004 4:29 pm ]
Post subject:  brake/clutch master cylinder
Hello all,
Wondering if anyone can tell me if the brake and clutch master cyliner are interchangable? Or is there a mod required?
Thanks.
Author:  drmini in aust [ Sat Aug 28, 2004 5:01 pm ]
Post subject: 
Yeah, well.... it depends.. :wink:

Most Minis have a 0.700" bore brake master cylinder (except early 850, and 998 Cooper)

Most Minis have a 0.750" clutch master cylinder.

If using `tin tank' MCs the flanges are different orientation between clutch and brake.

Brake MCs have a slow-return restrictor valve in top, clutch ones don't.

If using plastic tank cylinders (Lockheed/PBR) the 0.700 brake will work as a clutch one, but you will get less clutch stroke to release the plate, clutch will tend to drag.

So.... whaddya wanna do?? 8)
Author:  Gareth_1330 [ Sat Aug 28, 2004 5:26 pm ]
Post subject: 
MOST of the ones i recondition seem to be the wrong bore for the application, and do/dont have valves where they should/shouldn'tt... I have a feeling my clutch one is incorrect....

G
Author:  dude [ Sun Aug 29, 2004 1:02 pm ]
Post subject: 
Hey thanks guys
just doing a restoration and have these two master cylinders, they both fit on either side, wern't sure which went were.
I will just have to pull them apart and measure them up.
Appreciate the info thanks.

Den
Author:  drmini in aust [ Sun Aug 29, 2004 2:27 pm ]
Post subject: 
On the Lockheed/PBR plastic tank ones, the bore is often marked on the body. :wink:
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