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| Clutch slave cylinders https://ausmini.com/forums/viewtopic.php?f=2&t=91368 |
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| Author: | drmini in aust [ Fri Dec 25, 2015 1:59 pm ] |
| Post subject: | Clutch slave cylinders |
Decided to put a kit in my mate's Clubby clutch slave cylinder to go with his `new' motor. Took it apart, gave it a quick hone and then found the new 7/8" seal in the kit wouldn't fit. ?????  Somebody has sleeved it with S/S. Would be nice if they'd bored the casting out bigger first, then bored the sleeve to 7/8" and used stock seals and piston! Now I need to go find a 13/16" cup seal instead. 
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| Author: | gtogreen1969 [ Fri Dec 25, 2015 2:24 pm ] |
| Post subject: | Re: Clutch slave cylinders |
Working over x-mas? I am staying away from the shed today. Its 39 degrees outside. |
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| Author: | 1071 S [ Sat Dec 26, 2015 6:01 pm ] |
| Post subject: | Re: Clutch slave cylinders |
Mine is undersized ..to allow for the other non standard bits. A smaller bore gives a bigger throw. At the time it was made I was told that older Toranas used the same (or at least similar but with reduced bore) cylinder. Cheers, Ian |
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| Author: | drmini in aust [ Sat Dec 26, 2015 6:12 pm ] |
| Post subject: | Re: Clutch slave cylinders |
That may be what it's off, as the piston, & seal spreader are `undersized' too. I'm sure it'll work fine, once I get a 13/16" cup seal [on Tuesday?] here's hoping B&R Brakes are open this week.. |
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| Author: | 9YaTaH [ Sun Dec 27, 2015 7:07 am ] |
| Post subject: | Re: Clutch slave cylinders |
Would the sleeve take a careful 1/16 removal? 
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| Author: | drmini in aust [ Sun Dec 27, 2015 7:11 am ] |
| Post subject: | Re: Clutch slave cylinders |
9YaTaH wrote: Would the sleeve take a careful 1/16 removal? Good luck setting it up to run true first. And the piston it has won't fit If I bore it out. Nah I'll just get a 13/16" cup. It's only running a stock Cooper S blue dot diaphragm. Motor is a `short stroke 1108' (68mm bore, 998 crank) |
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| Author: | 9YaTaH [ Sun Dec 27, 2015 7:23 am ] |
| Post subject: | Re: Clutch slave cylinders |
drmini in aust wrote: Good luck setting it up to run true first. And the piston it has won't fit If I bore it out. Nah I'll just get a 13/16" cup. It's only running a stock Cooper S blue dot diaphragm. Motor is a `short stroke 1108' (68mm bore, 998 crank) Good luck setting it up to run true first...hardly a challenge for an old Eveleigh boy   And the piston it has won't fit If I bore it out...get another Nah I'll just get a 13/16" cup....sounds like a plan It's only running a stock Cooper S blue dot diaphragm...only  Motor is a `short stroke 1108' (68mm bore, 998 crank)...nice 
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| Author: | bluewhitecoopers1968 [ Thu Dec 31, 2015 4:09 pm ] |
| Post subject: | Re: Clutch slave cylinders |
Just buy a new slave cyl, there cheap!! |
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| Author: | DavidE [ Thu Dec 31, 2015 4:12 pm ] |
| Post subject: | Re: Clutch slave cylinders |
bluewhitecoopers1968 wrote: Just buy a new slave cyl, there cheap!! But they're not original! |
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| Author: | bluewhitecoopers1968 [ Thu Dec 31, 2015 4:35 pm ] |
| Post subject: | Re: Clutch slave cylinders |
DavidE wrote: bluewhitecoopers1968 wrote: Just buy a new slave cyl, there cheap!! But they're not original! Sorry, I'm not a pureist lofnl |
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| Author: | drmini in aust [ Thu Dec 31, 2015 4:53 pm ] |
| Post subject: | Re: Clutch slave cylinders |
bluewhitecoopers1968 wrote: Just buy a new slave cyl, there cheap!! And the cheap ones are all missing an essential part (seal spreader). All fixed, I put a new 13/16" cup seal in it. 
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| Author: | bluewhitecoopers1968 [ Thu Dec 31, 2015 5:00 pm ] |
| Post subject: | Re: Clutch slave cylinders |
drmini in aust wrote: bluewhitecoopers1968 wrote: Just buy a new slave cyl, there cheap!! And the cheap ones are all missing an essential part (seal spreader). All fixed, I put a new 13/16" cup seal in it. You mean, a backup ring? |
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| Author: | drmini in aust [ Thu Dec 31, 2015 5:19 pm ] |
| Post subject: | Re: Clutch slave cylinders |
bluewhitecoopers1968 wrote: drmini in aust wrote: bluewhitecoopers1968 wrote: Just buy a new slave cyl, there cheap!! And the cheap ones are all missing an essential part (seal spreader). All fixed, I put a new 13/16" cup seal in it. You mean, a backup ring? Seal spreader, it keeps the seal in contact with the bore. Without it, they suck air once the seal starts to wear. Can't buy them as a spare part now but DrMini has made a few up from HDPE. Spring sits inside it. Originals had 3 holes but it's easier to space 4 on my mill.  
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| Author: | DavidE [ Thu Dec 31, 2015 6:21 pm ] |
| Post subject: | Re: Clutch slave cylinders |
bluewhitecoopers1968 wrote: DavidE wrote: bluewhitecoopers1968 wrote: Just buy a new slave cyl, there cheap!! But they're not original! Sorry, I'm not a pureist lofnl This can make you one. |
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| Author: | bluewhitecoopers1968 [ Thu Dec 31, 2015 6:23 pm ] |
| Post subject: | Re: Clutch slave cylinders |
DavidE wrote: bluewhitecoopers1968 wrote: DavidE wrote: [quote="bluewhitecoopers1968"]Just buy a new slave cyl, there cheap!! But they're not original! Sorry, I'm not a pureist lofnl This can make you one.[/quote] Possibly not.... 
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