[Healeys] 100 front brakes

[WILLIAM B LAWRENCE]

The Girling brakes cylinders I have dealt with use a copper washer to seal to the supply port. They didn’t use any type of flare. The “inee” and “outee” ports on the cylinders shown were made to match a bubble flare or a double flare solid line respectively. These are the transfer ports between the double cylinders on the Girling dual leading shoe braking system used on the front of the 100 and 100-6. The transfer pipes currently available use double flares on both ends so the bubble flare port may not be compatible. The The ports that are angled are the correct ports for the supply hoses (upper) and bleeder screws (lower). The hoses screw into the upper angled port and seal with copper washers. The bleeder screws as noted may use a tapered sealing surface or a flat surface with a round indentation and a small steel ball.

Bill Lawrence
BN1 #554

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From: Healeys <healeys-bounces at autox.team.net> on behalf of Hank Leach via Healeys <healeys at autox.team.net>
Sent: Saturday, February 25, 2023 6:59 PM
To: 'warthodson at aol.com' <warthodson at aol.com>
Cc: 'healeys at autox.team.net' <healeys at autox.team.net>
Subject: Re: [Healeys] 100 front brakes

Do you mean "wheel" cylinders and not "slave"...100s have a mechanical clutch. I understand that on all model Healeys the brake hoses have one threaded end and one flared end. That flare goes into the metal line nut.

On the early 100 wheel cylinders they used an American AF thread but switched over to the Girling unified thread on later releases. The bleeder connection can be either in or out in shape (photo) but if the bleed screw is flat it uses the check ball (supplied in rebuild kits) and fits the recessed shape. The pointed bleeder uses no check ball.  Be sure that you were supplied the correct threaded hose...most suppliers do not have the early style. Use Girling red grease on the threads. Hank


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From: "warthodson--- via Healeys"
To: "healeys at autox.team.net"
Cc:
Sent: Friday February 24 2023 5:15:16PM
Subject: [Healeys] 100 front brakes

I will be assisting a friend to replace the flexible hoses on his 100 front brakes. He has ordered and received a set of hoses, but the ends that thread into the slave Cyl do not match the shape of the mating surface in the slave. The ends of the hoses are flat & it is my understanding that the cyl. is cone shaped inside. The vender says this is not a problem. I think it is a problem.
What do you say?
Also, if it is an issue, where can we get a set of flex hoses that have the correct ends for this application & are also the correct length (I.E. Not too short)?
Gary Hodson

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