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I=E2=80=99ve used DOT 5 silicone fluid for many years, and no problems.
My only reservation with it is - if something goes wrong with your servo, th=
e fluid will be sucked through the manifold into the engine, and you don=E2=80=
=99t want that!
I=E2=80=99ve changed the size of my master cylinder and bypassed the servo s=
o that I can continue to use DOT 5. Again, no problems, but I do tend to do s=
ome work on the brakes often enough to change the fluid within the required p=
eriod.
Stephen, BJ8
Sent from my iPad
> On Jul 26, 2021, at 5:16 PM, Richard Collins via Healeys <healeys@autox.te=
am.net> wrote:
>=20
> I had one and it worked well. Lasted about 2 years.
> My wrench has one and swears by it. But other than the Healey, I track my c=
ars so change fluid frequently. DOT4 HiTemp for them, DOT4 regular for the H=
ealey. No problems. Never used silicone even though I completely rebuilt an=
d or replaced the Healey system last year (calipers, drums, and lines)
>=20
> Regards,
> Richard C
> BN7 440
>=20
>> On Jul 26, 2021, at 15:26, Roger Grace via Healeys <healeys@autox.team.ne=
t> wrote:
>>=20
>> =EF=BB=BF
>> Does anyone have an opinion as to the accuracy of those cheepo pen style b=
rake fluid moisture detectors ?
>> You dip the probes into the reservoir and they give led indication for ra=
nge % moisture present.
>> Just wondering ... ??
>> rg
>>=20
>>> On Mon, Jul 26, 2021 at 4:55 AM bluehealey <bluehealey@gmail.com> wrote:=
>>> Now that is a perfect checklist Simon. Captures everything you need to k=
now.=20
>>> In addition I work on the basis that glycol mixtures, if neglected (not f=
lushed) for more than 3-4 years, can cause minor problems with the hardware.=
=20
>>> Silicone, if neglected for a similar period, can cause major problems wi=
th the hardware.=20
>>> Guess which I choose to use.=20
>>>=20
>>> AlanB - iPhone message.
>>>=20
>>> > On 26 Jul 2021, at 09:57, Simon Lachlan via Healeys <healeys@autox.tea=
m.net> wrote:
>>> >=20
>>> > =EF=BB=BF
>>> >=20
>>> > I was getting myself in a muddle over brake fluid once so I made mysel=
f some
>>> > notes. Probably pinched from Google; I don't recall:-
>>> >=20
>>> > 1) All brake fluid is "synthetic".it's not a "natural" product.
>>> > 2) Most synthetic fluids are NOT silicone. They are polyethylene gl=
ycol
>>> > ether based.
>>> > 3) DOT 3 & 4, which can be mixed, are not silicone. They are glycol=
.
>>> > 4) DOT 5, which cannot be mixed with 3 or 4, is silicone. Can't be
>>> > mixed with anything!
>>> > 5) DOT 5.1 is glycol based and cannot be mixed with DOT 5.
>>> > 6) DOT 5.1 can be mixed with DOT 3 or 4, as both are glycol based.
>>> >=20
>>> > The word "synthetic" began to appear when manufacturers worked out tha=
t it
>>> > made regular brake fluid sound more special ie they could charge us mo=
re
>>> > money for the same old stuff.
>>> >=20
>>> > DOT stands for Dept. Of Transport and relates to the fluids' boiling p=
oints.
>>> > If a car brakes at high speed, the brakes get hot. Some heat is carrie=
d away
>>> > from the brakes by the brake fluid. Bad news if the fluid boils! The f=
aster
>>> > you're going, the higher DOT you need. Higher DOT numbers indicate hig=
her
>>> > boiling points for "Dry" fluid (has not absorbed any water) and "Wet" f=
luids
>>> > (has absorbed water). ie, the wetter it is, the more problematic it be=
comes.
>>> > Mixing 3 with 4 lowers the boiling points and vice verca.
>>> >=20
>>> > _______________________________________________
>>> > Support Team.Net http://www.team.net/donate.html
>>> > Suggested annual donation $12.75
>>> >=20
>>> > Archive: http://www.team.net/pipermail/healeys http://autox.team.net/a=
rchive
>>> >=20
>>> > Healeys@autox.team.net
>>> > http://autox.team.net/mailman/listinfo/healeys
>>> >=20
>>> > Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/blue=
healey@gmail.com
>>> >=20
>>> _______________________________________________
>>> Support Team.Net http://www.team.net/donate.html
>>> Suggested annual donation $12.75
>>>=20
>>> Archive: http://www.team.net/pipermail/healeys http://autox.team.net/arc=
hive
>>>=20
>>> Healeys@autox.team.net
>>> http://autox.team.net/mailman/listinfo/healeys
>>>=20
>>> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/roggra=
ce@telus.net
>>>=20
>> _______________________________________________
>> Support Team.Net http://www.team.net/donate.html
>> Suggested annual donation $12.75
>>=20
>> Archive: http://www.team.net/pipermail/healeys http://autox.team.net/arch=
ive
>>=20
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>>=20
>> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/gonnagi=
tcha90@hotmail.com
>>=20
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation $12.75
>=20
> Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archi=
ve
>=20
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> http://autox.team.net/mailman/listinfo/healeys
>=20
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ngs@rogers.com
>=20
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Content-Transfer-Encoding: quoted-printable
<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">I=E2=80=99ve used DOT 5 silicone fluid for m=
any years, and no problems.<div>My only reservation with it is - if somethin=
g goes wrong with your servo, the fluid will be sucked through the manifold i=
nto the engine, and you don=E2=80=99t want that!</div><div>I=E2=80=99ve chan=
ged the size of my master cylinder and bypassed the servo so that I can cont=
inue to use DOT 5. Again, no problems, but I do tend to do some work on the b=
rakes often enough to change the fluid within the required period.</div><div=
><br></div><div>Stephen, BJ8</div><div><br><div id=3D"AppleMailSignature" di=
r=3D"ltr">Sent from my iPad</div><div dir=3D"ltr"><br>On Jul 26, 2021, at 5:=
16 PM, Richard Collins via Healeys <<a href=3D"mailto:healeys@autox.team.=
net">healeys@autox.team.net</a>> wrote:<br><br></div><blockquote type=3D"=
cite"><div dir=3D"ltr">
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dutf-8">
I had one and it worked well. Lasted about 2 years.
<div>My wrench has one and swears by it. But other than the Healey, I track m=
y cars so change fluid frequently. DOT4 HiTemp for them, DOT4 regular for th=
e Healey. No problems. Never used silicone even though I completely re=
built and or replaced the Healey
system last year (calipers, drums, and lines)<br>
<br>
<div dir=3D"ltr">Regards,
<div>Richard C</div>
<div>BN7 440</div>
</div>
<div dir=3D"ltr"><br>
<blockquote type=3D"cite">On Jul 26, 2021, at 15:26, Roger Grace via Healeys=
<<a href=3D"mailto:healeys@autox.team.net";>healeys@autox.team.net</a>>=
; wrote:<br>
<br>
</blockquote>
</div>
<blockquote type=3D"cite">
<div dir=3D"ltr">=EF=BB=BF
<div dir=3D"ltr">
<div>Does anyone have an opinion as to the accuracy of those cheepo pen styl=
e brake fluid moisture detectors ?</div>
<div>You dip the probes into the reservoir and they give led indication for r=
ange % moisture present.</div>
<div>Just wondering ... ??</div>
<div>rg<br>
</div>
</div>
<br>
<div class=3D"gmail_quote">
<div dir=3D"ltr" class=3D"gmail_attr">On Mon, Jul 26, 2021 at 4:55 AM bluehe=
aley <<a href=3D"mailto:bluehealey@gmail.com";>bluehealey@gmail.com</a>>=
; wrote:<br>
</div>
<blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-l=
eft:1px solid rgb(204,204,204);padding-left:1ex">
Now that is a perfect checklist Simon. Captures everything you need to know.=
<br>
In addition I work on the basis that glycol mixtures, if neglected (not flus=
hed) for more than 3-4 years, can cause minor problems with the hardware.
<br>
Silicone, if neglected for a similar period, can cause major problems with t=
he hardware.
<br>
Guess which I choose to use. <br>
<br>
AlanB - iPhone message.<br>
<br>
> On 26 Jul 2021, at 09:57, Simon Lachlan via Healeys <<a href=3D"mail=
to:healeys@autox.team.net" target=3D"_blank">healeys@autox.team.net</a>> w=
rote:<br>
> <br>
> =EF=BB=BF<br>
> <br>
> I was getting myself in a muddle over brake fluid once so I made myself=
some<br>
> notes. Probably pinched from Google; I don't recall:-<br>
> <br>
> 1) All brake fluid is "synthetic".it's not a "natural" pro=
duct.<br>
> 2) Most synthetic fluids are NOT silicone. They are polyet=
hylene glycol<br>
> ether based.<br>
> 3) DOT 3 & 4, which can be mixed, are not silicone. Th=
ey are glycol.<br>
> 4) DOT 5, which cannot be mixed with 3 or 4, is silicone. C=
an't be<br>
> mixed with anything!<br>
> 5) DOT 5.1 is glycol based and cannot be mixed with DOT 5.=
<br>
> 6) DOT 5.1 can be mixed with DOT 3 or 4, as both are glyco=
l based.<br>
> <br>
> The word "synthetic" began to appear when manufacturers worked out that=
it<br>
> made regular brake fluid sound more special ie they could charge us mor=
e<br>
> money for the same old stuff.<br>
> <br>
> DOT stands for Dept. Of Transport and relates to the fluids' boiling po=
ints.<br>
> If a car brakes at high speed, the brakes get hot. Some heat is carried=
away<br>
> from the brakes by the brake fluid. Bad news if the fluid boils! The fa=
ster<br>
> you're going, the higher DOT you need. Higher DOT numbers indicate high=
er<br>
> boiling points for "Dry" fluid (has not absorbed any water) and "Wet" f=
luids<br>
> (has absorbed water). ie, the wetter it is, the more problematic it bec=
omes.<br>
> Mixing 3 with 4 lowers the boiling points and vice verca.<br>
> <br>
> _______________________________________________<br>
> Support <a href=3D"http://Team.Net";>Team.Net</a> <a href=3D"http://www.=
team.net/donate.html" rel=3D"noreferrer" target=3D"_blank">
> Suggested annual donation $12.75<br>
> <br>
> Archive: <a href=3D"http://www.team.net/pipermail/healeys"; rel=3D"noref=
errer" target=3D"_blank">
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rchive" rel=3D"noreferrer" target=3D"_blank">
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