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Brake masters
Posted by razorbobsr
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| Brake masters #1 | |
razorbobsr Bob Arnett Terre Haute, IN, USA Sign in to contact | Topic Creator (OP) May 21, 2024 01:01 PM Joined 11 years ago 163 Posts |
Springtime failure is forcing me to change my master cylinder, any advice?? What the reason for the colored band on the old master?
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| Re: Brake masters #2 | |
DrT Tom Thurman Louisville, KY, USA Sign in to contact | May 21, 2024 02:15 PM Top Contributor Joined 3 years ago 882 Posts |
If you have an original master cylinder I’d recommend having it brass sleeved by Apple Hydraulics or White Post Restorations. It will be more expensive than a new reproduction, but much better. The red tag is just some kind of manufacturer ID tag. I did ask Apple to preserve mine when I sent it to them and they did.
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| Re: Brake masters #3 | |
razorbobsr Bob Arnett Terre Haute, IN, USA Sign in to contact | Topic Creator (OP) May 21, 2024 03:13 PM Joined 11 years ago 163 Posts |
What's the short comings of the re pros?
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| Re: Brake masters #4 | |
DrT Tom Thurman Louisville, KY, USA Sign in to contact | May 21, 2024 03:28 PM Top Contributor Joined 3 years ago 882 Posts |
In reply to # 2044884 by razorbobsr What's the short comings of the re pros?
They seem to be so rough in the bore that they abrade the rubber seals relatively quickly and you wind up with leaks again in two or three years.
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| Re: Brake masters #5 | |
razorbobsr Bob Arnett Terre Haute, IN, USA Sign in to contact | Topic Creator (OP) May 21, 2024 03:36 PM Joined 11 years ago 163 Posts |
Well crud! Hmmmmmmm. Rebuild kits are in order I guess. The original gos back over 25 yrs of my ownership, could be worth the rebuilding as a pair?
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| Re: Brake masters #6 | |
ugmw177 Mike Williams Charlotte, NC, USA Sign in to contact | May 21, 2024 03:45 PM Top Contributor Joined 8 years ago 264 Posts |
i put a trw repro Lucas branded on mine 10 years ago. it has worked flawlessly.
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| Re: Brake masters #7 | |
DrT Tom Thurman Louisville, KY, USA Sign in to contact | May 21, 2024 04:10 PM Top Contributor Joined 3 years ago 882 Posts |
In reply to # 2044889 by ugmw177 i put a trw repro Lucas branded on mine 10 years ago. it has worked flawlessly.
The quality ten years ago was probably better than today. TBH, I’ve had no personal experience with the repros in use, but there are numerous threads on here about the poor quality of the currently available repros. I actually bought a new clutch master and slave cylinder and wound up not using them based on comments posted on Triumph Exp. The slave cylinders out there today aren’t machined correctly for the mounting bracket. They’ll probably work ok, but I decided to keep all my original hydraulic cylinders.
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| Re: Brake masters #8 | |
Cousins Original TR6 Patrick Echelbarger Mukilteo, WA, USA Sign in to contact 1940 Ford Deluxe | May 21, 2024 06:59 PM Joined 1 year ago 107 Posts |
I sent original (50,000 miles) 50 yo brake and clutch masters and brake booster to Apple. They will outlive me! Well worth it.
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| Re: Brake masters #9 | |
oldguy51 Frank J. Ravosa Enfield, CT, USA Sign in to contact 1969 Triumph TR6 "Tomato" | May 22, 2024 06:22 AM Top Contributor Joined 2 years ago 571 Posts |
I installed a new one and have not had any issues. To many purist think if you change a part you will go to hell. I can believe someone somewhere got a faulty master or slave. How many of you never went to work after a night out. I would think todays machinery and talent are far better than anything the Britts did back then ! Frank
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| Re: Brake masters #10 | |
steveg2 Altadena, CA, USA Sign in to contact 1959 Austin-Healey 100-Six | May 22, 2024 08:44 AM Top Contributor Joined 5 years ago 2,891 Posts |
In reply to # 2044953 by oldguy51 I installed a new one and have not had any issues. To many purist think if you change a part you will go to hell. I can believe someone somewhere got a faulty master or slave. How many of you never went to work after a night out. I would think todays machinery and talent are far better than anything the Britts did back then ! Frank
You can see the difference in the bores. The OE Girlings have a mirror finish; the newer ones are rougher,
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| Re: Brake masters #11 | |
POW Peter Wirth HEBRON, NH - New Hampshire, USA Sign in to contact 1971 Triumph TR6 | May 22, 2024 08:49 AM Top Contributor Joined 7 years ago 7,152 Posts |
In reply to # 2044892 by DrT In reply to # 2044889 by ugmw177 i put a trw repro Lucas branded on mine 10 years ago. it has worked flawlessly.
The quality ten years ago was probably better than today. TBH, [b]I’ve had no personal experience with the repros in use, but there are numerous threads on here about the poor quality of the currently available repros. I actually bought a new clutch master and slave cylinder and wound up not using them based on comments posted on Triumph Exp.[/b] The slave cylinders out there today aren’t machined correctly for the mounting bracket. They’ll probably work ok, but I decided to keep all my original hydraulic cylinders.
You are right about the numerous
poststhat speak of aftermarket so called bad quality of the new masters. But I would venture to say that most have simply
heardthey are bad and so repeat the claim. Repeated enough = indisputable fact. No doubt some are bad, like many parts these days but I'd venture to say there are a majority of them that are also performing perfectly. My own Lucas/TRW is just 2 years old and the DOT4 in the reservoir is as clear as the day I filled it up. - Pete
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| Re: Brake masters #12 | |
POW Peter Wirth HEBRON, NH - New Hampshire, USA Sign in to contact 1971 Triumph TR6 | May 22, 2024 08:50 AM Top Contributor Joined 7 years ago 7,152 Posts |
In reply to # 2044962 by steveg2 You can see the difference in the bores. The OE Girlings have a mirror finish; the newer ones are rougher,
So I have "heard". - P
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| Re: Brake masters #13 | |
skootch13 Cincinnati, OH, USA Sign in to contact 1972 Triumph TR6 | May 22, 2024 09:28 AM Top Contributor Joined 8 years ago 2,574 Posts |
Well, I personally replaced two brand new brake MCs. Both were EXACTLY 12 months old. Sent the third new one directly to Apple Hydraulics to be resleeved. No problems since.
Call it what you want. But, that is what happened to me.
1972 Sapphire Blue TR6
1973 MGB Rover V8 LT 77
A picture is worth a thousand posts
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| Re: Brake masters #14 | |
Tonyfixit Tony M | May 22, 2024 09:47 AM Top Contributor Joined 8 years ago 19,589 Posts |
I had a new leaky TRW clutch master that I took to a local hydrulics business*. They told me they could not work on it as they are not licensed to work on road going auto parts (even though it was not a brake component)
But they were appalled at the finish on the cyl bores that they likened to a cheese grater
* Island hose and hydrulic.
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| Re: Brake masters #15 | |
DrT Tom Thurman Louisville, KY, USA Sign in to contact | May 22, 2024 10:38 AM Top Contributor Joined 3 years ago 882 Posts |
Pete, you’re right, the evidence is anecdotal and anecdotal evidence isn’t proof of anything. But here’s the thing. I HATE working on hydraulics, so anything I can do to minimize the chances of having to it again in the foreseeable future is worth it to me.
In reply to # 2044964 by POW In reply to # 2044892 by DrT In reply to # 2044889 by ugmw177 i put a trw repro Lucas branded on mine 10 years ago. it has worked flawlessly.
The quality ten years ago was probably better than today. TBH, [b]I’ve had no personal experience with the repros in use, but there are numerous threads on here about the poor quality of the currently available repros. I actually bought a new clutch master and slave cylinder and wound up not using them based on comments posted on Triumph Exp.[/b] The slave cylinders out there today aren’t machined correctly for the mounting bracket. They’ll probably work ok, but I decided to keep all my original hydraulic cylinders.
You are right about the numerous posts that speak of aftermarket so called bad quality of the new masters. But I would venture to say that most have simply heard they are bad and so repeat the claim. Repeated enough = indisputable fact. No doubt some are bad, like many parts these days but I'd venture to say there are a majority of them that are also performing perfectly. My own Lucas/TRW is just 2 years old and the DOT4 in the reservoir is as clear as the day I filled it up. - Pete
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