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| 1978 mini ls https://ausmini.com/forums/viewtopic.php?f=2&t=86903 |
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| Author: | 1970cooper [ Sun Aug 17, 2014 8:05 am ] |
| Post subject: | 1978 mini ls |
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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| Author: | Scoop [ Sun Aug 17, 2014 9:00 am ] |
| Post subject: | Re: 1978 mini ls |
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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| Author: | 1970cooper [ Sun Aug 17, 2014 9:26 am ] |
| Post subject: | Re: 1978 mini ls |
Thanks scoop , I think I need to do some shopping around. |
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| Author: | Scoop [ Sun Aug 17, 2014 9:51 am ] |
| Post subject: | Re: 1978 mini ls |
Go Karcraft for a start I reckon. Mini Kingdom online also. |
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| Author: | 1970cooper [ Sun Aug 17, 2014 10:48 am ] |
| Post subject: | Re: 1978 mini ls |
"Just pulled the old wheel cylinders apart and measured the bore 3/4" ? Looks like someone may have put wrong ones in. |
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| Author: | Scoop [ Sun Aug 17, 2014 11:28 am ] |
| Post subject: | Re: 1978 mini ls |
Brains trust might have to weigh in here then. |
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| Author: | Diesel27 [ Sun Aug 17, 2014 1:04 pm ] |
| Post subject: | Re: 1978 mini ls |
your 5/8 dia will be correct with disc brakes. |
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| Author: | 1970cooper [ Mon Aug 18, 2014 5:51 am ] |
| Post subject: | Re: 1978 mini ls |
Thanks guys, I think I'll get the 5/8 brake cylinders. |
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| Author: | Mick [ Mon Aug 18, 2014 7:53 am ] |
| Post subject: | Re: 1978 mini ls |
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. |
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| Author: | drmini in aust [ Mon Aug 18, 2014 8:03 am ] |
| Post subject: | Re: 1978 mini ls |
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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| Author: | 1970cooper [ Mon Aug 18, 2014 8:15 am ] |
| Post subject: | Re: 1978 mini ls |
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 |
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| Author: | 1970cooper [ Mon Aug 18, 2014 12:10 pm ] |
| Post subject: | Re: 1978 mini ls |
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 |
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| Author: | drjbeam [ Mon Aug 18, 2014 12:52 pm ] |
| Post subject: | Re: 1978 mini ls |
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 |
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| Author: | drmini in aust [ Mon Aug 18, 2014 2:55 pm ] |
| Post subject: | Re: 1978 mini ls |
1970cooper wrote: 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. Cooper S with disc brakes had the higher pedal std, so did the GT, I'd say the LS is probably the same story.
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 |
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| Author: | 1970cooper [ Mon Aug 18, 2014 3:00 pm ] |
| Post subject: | Re: 1978 mini ls |
Thanks Kevin, You are a wealth of information. Regards Felix |
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