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| Duel circuit master cylinder https://www.ausmini.com/forums/viewtopic.php?f=2&t=14653 |
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| Author: | 72clubman [ Fri Jan 06, 2006 2:26 pm ] |
| Post subject: | Duel circuit master cylinder |
Is there any disadvantage over having a mini with a Duel circuit master cylinder over the single circuit, cause i have a brand new single circuit cylinder, but the tandem one works fine aswell although its is getting old, i am putting cooper s disc brakes and also wanted to know if the duel circuit cylinder will work ok. also what is needed to convert from duel to single apart from the master cylinder |
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| Author: | Mike_Byron [ Fri Jan 06, 2006 3:56 pm ] |
| Post subject: | |
Dual circuit were fitted because of ADR design rules and the fact that itstill gave you brakes should a circuitfail. Minis are good at that. Having said tha, single circuit brakes were around for a long time before the dual circuit and legendary mini heroes like Paddy Hopkirk, Rauno Aalternen and Bob Holden had complete trust in the single circuit brakes. A down side of the dual circuit is that its fairly difficult to fit a booster on just one circuit and have even hard braking. Disk brakes use different sized wheel cylinders on the rears and probably have a different pressure limiting valve. Others on here should be able to give you specific change over information for wheel cylinders etc. I simply bolted a set of 7.5 inch discs on my mini and made no other changes and found the brakes were very good. I do not run a booster but i am not super sprinting or caning the car. |
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| Author: | drmini in aust [ Fri Jan 06, 2006 6:46 pm ] |
| Post subject: | |
We've got 2 Minis with S front discs, one has a Cooper S M/C and the other the late Clubby tandem one. Brakes work the same on both, but I needed to fit Cooper S rear wheel cylinders (5/8" dia) to both cars, to stop the rears locking during panic braking.. If you must have a servo (booster), just fit it to the front circuit. 
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| Author: | blumin [ Sat Jan 07, 2006 9:52 pm ] |
| Post subject: | Dual Circuit Brakes |
I know the good Dr posted this before 
Where do you get rebuild kits for these? Are the plastic reservoirs still available? What does the s/w on the side do, are they still available? Blue |
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| Author: | drmini in aust [ Sat Jan 07, 2006 10:02 pm ] |
| Post subject: | Re: Dual Circuit Brakes |
blumin wrote: I know the good Dr posted this before
Where do you get rebuild kits for these? Are the plastic reservoirs still available? What does the s/w on the side do, are they still available? Blue Clubby tandem M/C rebuild kit is `PBR? K7800X, I got from B&R Brakes but any brake shop can get. Made in Oz. Price is around $35. Unsure about plastic reservoir availability, or the switch. Switch is for brake fault dash lamp I think... ours is not hooked up (it's in a roundnose). |
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| Author: | blumin [ Sat Jan 07, 2006 10:18 pm ] |
| Post subject: | Dual Circuit Brakes |
Thanks Doc Blue |
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