Hi All,

I am in the process of restoring my LS and I need some advise,

1..Does anyone know the part number of the rear brake cylinders and shoes,(there seems to be different bore sizes available in the cylinders and the car does have discs on front)

2..The P/N for the brake master cylinder.

3..The P/N for the coolant temp sensor.

Any advise would be appreciated.

Thanks Felix

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1967 Morris mini Deluxe
1968 Buick Riviera
1979 HZ Kingswood
1979 CM Valiant
1982 Jaguar XJ6 series 3
2002 VX HSV
2013 Mazda 6
2018 Gt Mustang

1..Does anyone know the part number of the rear brake cylinders and shoes,(there seems to be different bore sizes available in the cylinders and the car does have discs on front)
GWC1101MS wheel cylinders
GBS101MS shoes
2..The P/N for the brake master cylinder.
GMC227- DUAL CIRCUIT BRAKE MASTER CYLINDER FOR 1977 ON
3..The P/N for the coolant temp sensor.
GTR104

I THINK these are the bits. I'm led to believe all aussie rear W/C are 5/8 when disc are up front.

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1963 Morris 850 Smoke Grey
1963 Morris 850 Shadow Blue
1965 Morris Mini Smooth Van
1966 Morris Mini Van
1969 Morris Mini Deluxe Resto
5/72 Clubman Gt

Thanks scoop ,

I think I need to do some shopping around.

_________________
1967 Morris mini Deluxe
1968 Buick Riviera
1979 HZ Kingswood
1979 CM Valiant
1982 Jaguar XJ6 series 3
2002 VX HSV
2013 Mazda 6
2018 Gt Mustang

Go Karcraft for a start I reckon. Mini Kingdom online also.

_________________
1963 Morris 850 Smoke Grey
1963 Morris 850 Shadow Blue
1965 Morris Mini Smooth Van
1966 Morris Mini Van
1969 Morris Mini Deluxe Resto
5/72 Clubman Gt

"Just pulled the old wheel cylinders apart and measured the bore 3/4" ?

Looks like someone may have put wrong ones in.

_________________
1967 Morris mini Deluxe
1968 Buick Riviera
1979 HZ Kingswood
1979 CM Valiant
1982 Jaguar XJ6 series 3
2002 VX HSV
2013 Mazda 6
2018 Gt Mustang

Brains trust might have to weigh in here then.

_________________
1963 Morris 850 Smoke Grey
1963 Morris 850 Shadow Blue
1965 Morris Mini Smooth Van
1966 Morris Mini Van
1969 Morris Mini Deluxe Resto
5/72 Clubman Gt

your 5/8 dia will be correct with disc brakes.

_________________
It's easy once you know how.

Thanks guys,
I think I'll get the 5/8 brake cylinders.

_________________
1967 Morris mini Deluxe
1968 Buick Riviera
1979 HZ Kingswood
1979 CM Valiant
1982 Jaguar XJ6 series 3
2002 VX HSV
2013 Mazda 6
2018 Gt Mustang

Its only under the hardest braking that the difference in sizes becomes apparent. The rear lifts more with the better braking of the discs and will lock up.

_________________
SooperDooperMiniCooperExpertEngineering

All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.

Having almost lost a disc braked Mini in the wet @ 110kmh on the F3 freeway, because the PO had kept 3/4" RW cylinders on, I would say fit 5/8" ones.
3/4 cyls + front discs = bloody dangerous in an emergency.

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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 again for info,

I will defenitely fit the 5/8 cylinders.
Off to Karkraft tomorrow but first I need to get the master cylinder
out and take it with me as it appears to be a tandem type.
I might just rekit it if it looks OK

Regards Felix

_________________
1967 Morris mini Deluxe
1968 Buick Riviera
1979 HZ Kingswood
1979 CM Valiant
1982 Jaguar XJ6 series 3
2002 VX HSV
2013 Mazda 6
2018 Gt Mustang

Before I took the master cylinder out this morning I noticed the brake pedal was a lot higher than the clutch pedal.Brake pedal is 135mm from floor to pedal with carpet and rubber pad removed and the clutch is 110mm.

On my previous minis these pedals were the same height.

Does anyone know which height is correct or could it be that the brake master cylinder fitted is wrong?

Also should I be changing or rekiting my clutch M/clinder whilst the brake M/cylinder is out (The clutch is working fine)

Thanks Felix

_________________
1967 Morris mini Deluxe
1968 Buick Riviera
1979 HZ Kingswood
1979 CM Valiant
1982 Jaguar XJ6 series 3
2002 VX HSV
2013 Mazda 6
2018 Gt Mustang

I change all my brake and clutch parts from master cylinders down with new parts just for peace of mind

Its up to you if you change it or not

Cooper S with disc brakes had the higher pedal std, so did the GT, I'd say the LS is probably the same story.

_________________
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 Kevin,

You are a wealth of information.

Regards Felix

_________________
1967 Morris mini Deluxe
1968 Buick Riviera
1979 HZ Kingswood
1979 CM Valiant
1982 Jaguar XJ6 series 3
2002 VX HSV
2013 Mazda 6
2018 Gt Mustang