[Healeys] Brake Fluid

[Bob Spidell]

Yeah. Forgot about that engineering faux pas.


On 10/31/2022 5:44 PM, WILLIAM B LAWRENCE wrote:
> Bob, I’d say more of a problem on all of the hundreds because the 
> front bleeder screws are on the lower slave cylinders.
> ------------------------------------------------------------------------
> *From:* Healeys <healeys-bounces at autox.team.net> on behalf of Mark 
> Donaldson <ardmorebusiness at xtra.co.nz>
> *Sent:* Monday, October 31, 2022 10:06 PM
> *To:* 'Bob Spidell' <bspidell at comcast.net>; healeys at autox.team.net 
> <healeys at autox.team.net>
> *Subject:* Re: [Healeys] Brake Fluid
>
> DOT5 and DOT 5.1 are *NOT* compatible.
>
> I’ve have been using Bel-Ray DOT5 SBF in my BN2 and my tri-carb since 
> 1992.
>
> I’ve never had a problem.
>
> Mark
>
> Ardmore, NZ
>
> *From:*Bob Spidell <bspidell at comcast.net>
> *Sent:* Monday, 31 October 2022 5:35 PM
> *To:* healeys at autox.team.net
> *Subject:* Re: [Healeys] Brake Fluid
>
> "... There is a newer Glycol Ester DOT5 ..."
>
> I think you're referring to 'DoT5.1'  I also think it was deliberately 
> named so as to confuse the issue.
>
> On 10/30/2022 8:05 PM, Christopher Moog via Healeys wrote:
>
>     I've used both. Currently prefer DOT4.
>
>     Also everyone is speaking of DOT5 but there are now two different
>     DOT5s. The first is the older silicone based DOT5. There is a
>     newer Glycol Ester DOT5 that is compatible with DOT3 and DOT4. It
>     has a lower viscosity than the DOT3 and DOT4 so it works better in
>     some ABS systems. It also has a higher boiling point than DOT3 and
>     DOT4. Don't see an advantage in Healeys.
>
>     On 10/30/2022 10:00 PM, Alan Seigrist wrote:
>
>         The best selling point for Dot 4 is you can mix any Dot 4 or
>         even Dot 3 if you need to fill up.  As I understand it with
>         Dot 5 you should be careful to always use the same brand to
>         fill up if necessary.
>
>         Also, neither Dot 5 not Dot 4 is great for sitting a long
>         time, Dot 4 absorbs water, Dot 5 will push any water down into
>         the components.
>
>         Dot 4, if the car is not used regularly, needs to be flushed
>         every couple of years.
>
>         On Mon, Oct 31, 2022 at 5:43 AM Michael MacLean
>         <springer.mike51 at gmail.com> wrote:
>
>             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?
>
>             Mike MacLean
>
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