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I've had silicone in my BJ8 for over 30 years and 150K miles, and
DoT4 in my BN2 for 15 or so years and just a few hundred miles (my
dad put in in after a total system overhaul). The silicone has never
caused a problem that I can attribute to it, but the DoT4 gelled
once after the car sat for a couple years and recently one of the
slave cylinders sprung a leak. Note the DoT4 that caused the
problems wasn't Castrol.<br>
<br>
IMO, either is fine, but you should flush and replace the DoT4 every
few years. Silicone is available, but somewhat harder to source.<br>
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<div class="moz-cite-prefix">On 10/30/2022 3:46 PM, Ricchardd Mayor
wrote:<br>
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Some will swear by silicone. I prefer DOT 4.
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Richard Mayor<br class="">
<a href="mailto:boyracer466@gmail.com"
class="moz-txt-link-freetext" moz-do-not-send="true">boyracer466@gmail.com</a><br
class="">
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<div class="">On Oct 30, 2022, at 3:12 PM, Jean Caron <<a
href="mailto:vintage_roadster_restoration@hotmail.com"
class="moz-txt-link-freetext" moz-do-not-send="true">vintage_roadster_restoration@hotmail.com</a>>
wrote:</div>
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charset=UTF-8" class="">
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<div dir="auto" class="">Mike,</div>
<div dir="auto" class="">DOT4 has worked for me in both
A-H I have owned over the years, actually since 1984
and it has served me well, this is why I stick with
it. I think you will also have some good reports on
Silicone as well</div>
<div dir="auto" style="color: rgb(33, 33, 33);
background-color: rgb(255, 255, 255);" class="">
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<div dir="auto" style="color: rgb(33, 33, 33);
background-color: rgb(255, 255, 255);" class="">
Jean</div>
<div dir="auto" id="ms-outlook-mobile-signature"
class="">Sent from my Bell Samsung device over
Canada’s largest network.</div>
<div id="mail-editor-reference-message-container"
dir="auto" class=""><br class="">
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tabindex="-1" class="">
<div id="divRplyFwdMsg" style="font-size: 11pt;"
class=""><strong class="">From:</strong> Healeys
<<a href="mailto:healeys-bounces@autox.team.net"
class="moz-txt-link-freetext"
moz-do-not-send="true">healeys-bounces@autox.team.net</a>>
on behalf of Michael MacLean <<a
href="mailto:springer.mike51@gmail.com"
class="moz-txt-link-freetext"
moz-do-not-send="true">springer.mike51@gmail.com</a>><br
class="">
<strong class="">Sent:</strong> Sunday, October 30,
2022, 4:48 p.m.<br class="">
<strong class="">To:</strong> Ahealey help <<a
href="mailto:healeys@autox.team.net"
class="moz-txt-link-freetext"
moz-do-not-send="true">healeys@autox.team.net</a>><br
class="">
<strong class="">Subject:</strong> [Healeys] Brake
Fluid<br class="">
</div>
<br class="">
<div dir="ltr" class="">
<div class="">At this point in the restoration I
have a completely rebuilt brake system with all
new components and tubing. Now is the time to
make the decision to use DOT 4 or Silicone.
What's the consensus, if there is one?</div>
<div class="">Mike MacLean<br class="">
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