Hi ALL

I have found a tin can master cylinder in my spare parts tubs and cannot determine if it is a clutch or brake tin can. I have looked back at my receipts and I had bought both some time ago, so no help there. How can you identify which is which?

Bazzz

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Mini Cooper S Mk 2, 1970,
Mini van 1970 with side windows now converted to 4 seater traveller

The reservoir is offset to the mounting flange LH and RH. If you have tin can ones on the car now hold it alongside with flange at the same angle and view from above.
It will be obvious which one it is.
Or measure the bore, if 0.750" it's probably a clutch MC.
if 0.700" it's a brake one.

Exceptions
850 had 0.750" brake MC
998 Cooper had 0.625" brake MC.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

Thanks so much Drmini. How obvious. How did I know see that. Just shows you how great ausmini is for tapping into expertise


Bazzz

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Mini Cooper S Mk 2, 1970,
Mini van 1970 with side windows now converted to 4 seater traveller