My search turned up the following
Hygroscopic is the ability of a chemical compound to absorb or adsorb water.
A hydroscope is a device, similar to a telescope built for observing things
underwater.
DOT 5 is a silicone-based fluid and is separate from the series of DOT 2, 3, 4,
5.1. It is immiscible with water, and with other brake fluids, and must not be
mixed with them. Systems can only change fluid after a complete system
changeover, such as a total restoration.
It contains at least 70% by weight of a diorgano polysiloxane[3]. Unlike
polyethylene glycol based fluids, Dot 5 is hydrophobic.[4] An advantage over
other forms of brake fluid is that silicone has a more stable viscosity index
over a wider temperature range. Another property is that it does not damage
paint.[citation needed]
Gary Hodson
-----Original Message-----
From: i erbs <eyera3000 at gmail.com>
To: Don <fsufan1952 at yahoo.com>
Cc: Ahealey help <healeys at autox.team.net>
Sent: Mon, Jul 23, 2018 2:20 am
Subject: Re: [Healeys] Brake line
Silicone is hydroscpic too.
I intend to replace all the lines and hoses. Brake and clutch rubber hoses have
been replaced. Where do I get a prebent set for the 67 B I'm working on or my
100-6 for that matter?
Ira Erbs
Portland, OR
typos and artifacts are the fault of my phone
On Sun, Jul 22, 2018, 11:00 PM Don Day <fsufan1952 at yahoo.com> wrote:
My 2 cents , on a car and it?s parts over 50 years old . Start thinking about
replacing all of the lines , along with the clutch line and oh the fuel line .
And oh the oil gauge line also , cause when it goes your going to have oil all
over your drivers floor.
You can get a complete set of stainless steel lines, for all the above , pre
bent , and replace them as needed .
I did this to my 67 BJ-8 along with switching over to silicone brake
fluid . Never have to worry about any issues with this kind of thing again .
Good Luck , Don
Sent from my iPad
On Jul 22, 2018, at 10:53 PM, Bob Spidell <bspidell at comcast.net> wrote:
Hi Ira,
Pipe bending is an art that I haven't really mastered, but I've done OK
by pulling the old line, and using a brake pipe bending tool to
replicate--or possibly improve--the original pipe routing. Steel brake line
is cheap, so buy extra to practice with--it will probably take a couple
tries to get it right--and switch to stainless or cunifer if you prefer
after you get the hang of it. Oh, and don't forget to put the fittings on
before you flare the ends; it's painful to get a couple flares just right
then realize there are no fittings (someone told me that once). I think
getting good flares is even trickier than bending.
Based on the condition of that one line, I wouldn't trust any of the
other brake lines in the car.
Bob
On 7/22/2018 2:35 PM, i erbs wrote:
Finally getting to work on the 67 B I bought for my wife. Seller told me
a metal brake line was cracked and leaking...turns out the someone tried
to braise a patch on the line and it leaked. Any advice on bending the
replacement line to match the old one?
Ira Erbs
Portland, OR
typos and artifacts are the fault of my phone
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