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Re: [Healeys] Which Brake Fluid?

To: Michael MacLean <springer.mike51@gmail.com>
Subject: Re: [Healeys] Which Brake Fluid?
From: Perry Small via Healeys <healeys@autox.team.net>
Date: Sat, 24 Jul 2021 20:36:57 -0400
Cc: Austin Healey list <healeys@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <CAL4ZEON4tm9S4v_-oyeOqNfn01JmxKBQCx7MQwqPzxq+O1PTJA@mail.gmail.com>
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Have had DOT 3/4 in our BN2 for over 20 years this time around. Seems like t=
he only issue I have had is replacing the rear wheel cylinders seal twice in=
 that time. During regular inspections have found a very small leak on one s=
ide or the other and replaced seals on both sides. Front brakes and master s=
eem to hold up better.=20
P

Sent from my iPhone

> On Jul 24, 2021, at 7:59 PM, Michael MacLean via Healeys <healeys@autox.te=
am.net> wrote:
>=20
> =EF=BB=BF
> Well apparently DOT 3/4 is ahead in the poll.  I have used it exclusively i=
n the Bugeye for over 20 years with no problems.  I was only asking to see i=
f there was some advantage to using the silicone over synthetic because the B=
N2 has a completely new brake system which has never seen any type of fluid y=
et.  This would be the time to make that decision.  I  made all the brake li=
nes, flares and used the original fittings when I restored the Bugeye and th=
ere were no leaks when I filled it.  I feel reasonably sure there won't be m=
uch of a problem with the BN2 in this respect.  So, I am leaning towards DOT=
 3/4.  As an interesting aside, the local parts supplier here in San Bernard=
ino that has been selling British car parts and supplies recommended Delphi b=
rake fluid.  The low moisture Castrol we were getting in the past no longer i=
s made.  Today's Castrol brake fluid is made in India according to the shop o=
wner.  The Delphi brake fluid is supposedly superior.  What do I know, but I=
 bought it.
>=20
>> On Sat, Jul 24, 2021 at 3:15 PM richard mayor via Healeys <healeys@autox.=
team.net> wrote:
>> The military uses silicone because some military vehicles sit for long pe=
riods of time when not in use..... waiting for that day when they need to sp=
ring into action.   Silicone fluid is not the best performance wise but beca=
use it does not accumulate moisture over time, it is best for military vehic=
les that sit unused for long periods of time.=20
>>=20
>> FWIW, I was in the military and I use DOT 3
>>=20
>>=20
>>> On Sat, Jul 24, 2021 at 6:19 AM Michael Oritt via Healeys <healeys@autox=
.team.net> wrote:
>>> "The military specifies Silicone brake fluid for a reason"
>>>=20
>>> Not necessarily a good one.
>>>=20
>>> Best--Michael Oritt
>>>=20
>>>> On Sat, Jul 24, 2021 at 9:04 AM warthodson--- via Healeys <healeys@auto=
x.team.net> wrote:
>>>> I would like to say a few words on behalf of silicone brake fluid.
>>>> It is non-hygroscopic (does not absorb moisture).
>>>> It does not damage paint as do glycol fluids.
>>>> A newly rebuilt and scrupulously clean brake system filled with silicon=
e fluid should outlast a system filled with glycol fluid by several times.
>>>> The military specifies Silicone brake fluid for a reason.=20
>>>>=20
>>>> Gary Hodson
>>>>=20
>>>>=20
>>>>=20
>>>>> On July 23, 2021 at 2:05 PM, Michael MacLean via Healeys <healeys@auto=
x.team.net> wrote:
>>>>>=20
>>>>> The BN2 is at the point where it is time to fill and bleed the new bra=
ke system.  Now comes the time to decide whether to go with DOT 3/4 brake fl=
uid or try silicone.  Any recommendations,  advice or warnings on this decis=
ion?
>>>>> Mike MacLean
>>>>=20
>>>>=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/ar=
chive
>>>>=20
>>>> Healeys@autox.team.net
>>>> http://autox.team.net/mailman/listinfo/healeys
>>>>=20
>>>> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/micha=
el.oritt@gmail.com
>>>>=20
>>>=20
>>>=20
>>> --=20
>>> Best--Michael
>>> _______________________________________________
>>> 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/boyrac=
er466@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/arch=
ive
>>=20
>> Healeys@autox.team.net
>> http://autox.team.net/mailman/listinfo/healeys
>>=20
>> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/springe=
r.mike51@gmail.com
>>=20
>=20
> <Delphi.jpg>
> _______________________________________________
> 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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>=20
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y@aol.com
>=20

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">Have had DOT 3/4 in our BN2 for over 20 yea=
rs this time around. Seems like the only issue I have had is replacing the r=
ear wheel cylinders seal twice in that time. During regular inspections have=
 found a very small leak on one side or the other and replaced seals on both=
 sides. Front brakes and master seem to hold up better.&nbsp;<div>P<br><br><=
div dir=3D"ltr">Sent from my iPhone</div><div dir=3D"ltr"><br><blockquote ty=
pe=3D"cite">On Jul 24, 2021, at 7:59 PM, Michael MacLean via Healeys &lt;hea=
leys@autox.team.net&gt; wrote:<br><br></blockquote></div><blockquote type=3D=
"cite"><div dir=3D"ltr">=EF=BB=BF<div dir=3D"ltr"><div>Well apparently DOT 3=
/4 is ahead in the poll.&nbsp; I have used it exclusively in the Bugeye for o=
ver 20 years with no problems.&nbsp; I was only asking to see if there was s=
ome advantage to using the silicone over synthetic because the BN2 has a com=
pletely new brake system which has never seen any type of fluid yet.&nbsp; T=
his would be the time to make that decision.&nbsp; I&nbsp; made all the brak=
e lines, flares and used the original fittings when I restored the Bugeye an=
d there were no leaks when I filled it.&nbsp; I feel reasonably sure there w=
on't be much of a problem with the BN2 in this respect.&nbsp; So, I am leani=
ng towards DOT 3/4.&nbsp; As an interesting aside, the local parts supplier h=
ere in San Bernardino that has been selling British car parts and supplies r=
ecommended Delphi brake fluid.&nbsp; The low moisture Castrol we were gettin=
g in the past no longer is made.&nbsp; Today's Castrol brake fluid is made i=
n India according to the shop owner.&nbsp; The Delphi brake fluid is suppose=
dly superior.&nbsp; What do I know, but I bought it.<br></div></div><br><div=
 class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sat, Jul 24,=
 2021 at 3:15 PM richard mayor via Healeys &lt;<a href=3D"mailto:healeys@aut=
ox.team.net">healeys@autox.team.net</a>&gt; wrote:<br></div><blockquote clas=
s=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rg=
b(204,204,204);padding-left:1ex"><div dir=3D"ltr"><div>The military uses sil=
icone because some military vehicles sit for long periods of time when not i=
n use..... waiting for that day when they need to spring into action. &nbsp;=
 Silicone fluid is not the best performance wise but because it does not acc=
umulate moisture over time, it is best for military vehicles that sit unused=
 for long periods of time. <br></div><div><br></div><div>FWIW, I was in the m=
ilitary and I use DOT 3<br></div><div><br></div></div><br><div class=3D"gmai=
l_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sat, Jul 24, 2021 at 6:19 A=
M Michael Oritt via Healeys &lt;<a href=3D"mailto:healeys@autox.team.net"; ta=
rget=3D"_blank">healeys@autox.team.net</a>&gt; wrote:<br></div><blockquote c=
lass=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid=
 rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr"><div class=3D"gmail_def=
ault" style=3D"color:rgb(51,51,255)">"<span style=3D"color:rgb(0,0,0);font-f=
amily:&quot;Comic Sans MS&quot;,sans-serif;font-size:16px">The military spec=
ifies Silicone brake fluid for a reason"</span></div><div class=3D"gmail_def=
ault" style=3D"color:rgb(51,51,255)"><span style=3D"color:rgb(0,0,0);font-fa=
mily:&quot;Comic Sans MS&quot;,sans-serif;font-size:16px"><br></span></div><=
div class=3D"gmail_default" style=3D"color:rgb(51,51,255)"><span style=3D"co=
lor:rgb(0,0,0);font-family:&quot;Comic Sans MS&quot;,sans-serif;font-size:16=
px">Not necessarily a good one.</span></div><div class=3D"gmail_default" sty=
le=3D"color:rgb(51,51,255)"><span style=3D"color:rgb(0,0,0);font-family:&quo=
t;Comic Sans MS&quot;,sans-serif;font-size:16px"><br></span></div><div class=
=3D"gmail_default" style=3D"color:rgb(51,51,255)"><span style=3D"color:rgb(0=
,0,0);font-family:&quot;Comic Sans MS&quot;,sans-serif;font-size:16px">Best-=
-Michael Oritt</span></div></div><br><div class=3D"gmail_quote"><div dir=3D"=
ltr" class=3D"gmail_attr">On Sat, Jul 24, 2021 at 9:04 AM warthodson--- via H=
ealeys &lt;<a href=3D"mailto:healeys@autox.team.net"; target=3D"_blank">heale=
ys@autox.team.net</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" s=
tyle=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padd=
ing-left:1ex">
<div style=3D"color:black;font:12pt &quot;Comic Sans MS&quot;,sans-serif">I w=
ould like to say a few words on behalf of silicone brake fluid.
<div>It is non-hygroscopic (does not absorb moisture).</div>

<div><font size=3D"3">It does not damage paint as do glycol fluids.</font><b=
r>
</div>

<div><font size=3D"3">A newly rebuilt and scrupulously clean brake system fi=
lled with silicone fluid should outlast a system filled with glycol fluid by=
 several times.<br>
</font></div>

<div>The military specifies Silicone brake fluid for a reason.&nbsp;<br>
<br>
Gary Hodson<br>
<br>

<div style=3D"font-family:arial,helvetica;font-size:10pt;color:black"><font s=
ize=3D"2"><br>

<div id=3D"gmail-m_4183915300597405256gmail-m_2478624642646800173gmail-m_-19=
08300146633513305yiv1034049189">
<div>
<div id=3D"gmail-m_4183915300597405256gmail-m_2478624642646800173gmail-m_-19=
08300146633513305yiv1034049189yqt63377">
<div><br clear=3D"none">On July 23, 2021 at 2:05 PM, Michael MacLean via Hea=
leys &lt;<a href=3D"mailto:healeys@autox.team.net"; target=3D"_blank">healeys=
@autox.team.net</a>&gt; wrote:<br clear=3D"none"><br clear=3D"none"></div>

<div><blockquote type=3D"cite">
<div>
<div>The BN2 is at the point where it is time to fill and bleed the new brak=
e system.&nbsp; Now comes the time to decide whether to go with DOT 3/4 brak=
e fluid or try silicone.&nbsp; Any recommendations,&nbsp; advice or warnings=
 on this decision?
<div>Mike MacLean</div>
</div>
</div>
</blockquote></div>
</div>
</div>
</div>

<div id=3D"gmail-m_4183915300597405256gmail-m_2478624642646800173gmail-m_-19=
08300146633513305yqt85392"><br clear=3D"none"></div>
</font></div>
</div>
</div>
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</blockquote></div><br clear=3D"all"><div><br></div>-- <br><div dir=3D"ltr">=
<font color=3D"#3333ff">Best--Michael</font></div>
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