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8 & 10 cyl Bristol cars Type 407 onwards - restoration, repair, maintenance etc

411 brake problems

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Old 10-03-18, 08:05 AM
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Location: woodhouse australia
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Default 411 master cylinder

Kevin I have researched this closely.If you check photos of various cars you will find series 3 4 & 5 all have a plastic tank , These are common to 70s80s range rover and are held in place with 2 studs on the firewall. What has surprised me is that series 1 have the same mounting system although a completely different cylinder. As you can see from the photo mine doesn't mount that way rather it has 2 cross bolts which attach to two parallel fabricated little walls .These are clearly original on my car. A search of the internet found a site CLASSIC PARTS on ebay. They list my cylinder as suitable for 411 1969 to from memory 1977.Listed at 365 pounds.

My brother Geoff had a series 1 which has chambers of different sizes. He purchased a kit from Bristol Cars but being very old stock it failed. With some modification he eventually fitted an xj6 mk 1 cylinder.

Clearly then there are at least 3 variations that i know of.

Im hoping to find a brake specialist in Melbourne who carries a large range of separate rubbers. Any clues ?
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Old 12-03-18, 12:40 AM
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Quote:
Originally Posted by peter dowdle View Post
Im hoping to find a brake specialist in Melbourne who carries a large range of separate rubbers. Any clues ?
I don't know anyone Peter, but I know people who will know. I will ask around.
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Old 19-03-18, 10:19 AM
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Default 411 brake update

Have now discovered master cylinder is ex Commer 3 tonne step through van. Girling KC6055 64068550 and that the kit is SP2375, To date though I cannot source any supplier for the kit. Any Leads ?
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Old 19-03-18, 10:46 AM
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Peter,
The Master Cylinder is a Lockheed 64068550 with 1 inch bore
Kit is a Lockheed SP2375
Also fitted on Commer Walk Tru 3 ton Van KC6055 1967 -69

Geoff
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Old 19-03-18, 11:14 AM
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Peter,
Try these people NORTHWEST CLASSIC SPARES

kevin
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Old 19-03-18, 12:50 PM
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I must apologise, I find I put out a piece of misinformation regarding track rod ends earlier in this correspondence. I said that the 407s to 410s used 5 RH and one LH track rod ends. This is incorrect, the parts list lists 5 LH and one RH, the latter on the centre rod.

The Amsteer part numbers are AM13LH and AM13RH respectively.

But just to confuse matters, at one point, before I discovered Amsteer, BCS were unable to supply me with a LH track rod end and insisted that the entire near side track rod be replaced. I surmise, but cannot readily check, that this used RH ends, so there MAY be other cars out there where the 5 to 1 ratio no longer applies.

Amsteers AM182LH and AM182RH, which they list for the 411, are presumably specific to the centre rod on the 411 and possibly the later cars.

Roger Morrall
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Old 19-03-18, 11:30 PM
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Default track rod ends

Rodger I can see no possible use for the right hand thread unit as the centre rod ends are of a larger diameter taper . Amsteer dont have a listing on the center rods . Thankfully mine are in good nick.
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