[Spridgets] What fluid for clutch master cylinder?

[Kitterer Bob]

When I pulled some labels off that covered another label on the seals for my brakes the lower label stated it was not for use with silicon.  Went by my local LBC mechanics shop and all the brake/clutch seals were labeled the same way.  This was over two years ago now.

Sent from my iPhone

On Oct 13, 2011, at 12:33 AM, Guy R Day <grday at btinternet.com> wrote:

> I am not getting or bitching at any individual, it just happens to be this series of posts.
> 
> On what basis - and that is a factual basis and not hearsay - can it be said:-
> 
> <snip> seals in our Lbs. aren't made for silicone fluid.<snip>  meaning they will not work.
> 
> I am fed up of reading that fallacy.
> 
> Guy R Day
> 
> ----- Original Message ----- To: "Spridgets list" <spridgets at autox.team.net>
> Sent: Wednesday, October 12, 2011 9:43 PM
> Subject: Re: [Spridgets] What fluid for clutch master cylinder?
> 
> 
>> Well, I disagree.  Water will not mix at all with sillycon.  If you don't
>> keep the moisture in your brake system in suspension in the brake fluid, it
>> will pool at the low points and will corrode wherever it sits.  Eventually
>> it will start leaking.  The good thing is that it won't eat the paint. The
>> bad thing is that if you don't notice it, you won't be able to stop.
>> 
>> A much better idea for safety is to change the brake fluid every other year,
>> or if you race, after each race.
>> 
>> Plus, see ****  post about how seals in our LBCs aren't made for silicone
>> fluid.
>> 
>> 
>> 
>> 
>> On Wed, Oct 12, 2011 at 2:02 PM, **** wrote:
>> 
>>> ... but if you don't use the car on a regular, everyday, way, Silicone will
>>> be
>>> there for a very long time.  It's the perfect thing for a hobby car.  Not
>>> so
>>> good for a racecar.
>>> 
>>> 
>>> 
>>> On Oct 12, 2011, at 10:32 AM, **** wrote:
>>> 
>>> > I'm not sure what you're saying, ****.  Do the seals not seal because > you
>>> > used DOT5?  Or you redid the hydraulics because the seals were no > longer
>>> > sealing and then you switched to DOT5?  Or am I over-analyzing?
>>> >
>>> > Stick with DOT4 or Castrol LMA.  Both have a higher boiling point than
>>> > DOT3.  The only thing going for DOT5 is the paint thing.  Water in the
>>> > system should not be a problem if you flush and refill it every two
>>> years.
>>> >
>>> >
>>> > On Wed, Oct 12, 2011 at 1:35 AM, **** wrote:
>>> >
>>> >> Yes, have been using DOT 5 for years.  When I redid my hydraulic >> system
>>> a
>>> >> couple of years ago none of the seals would seal so the car sets >> waiting
>>> for
>>> >> us to finish our adventures.  Was just hoping there might be another
>>> choice.
>>> >>
>>> >>
>>> >> On Oct 11, 2011, at 5:07 AM, **** wrote:
>>> >>
>>> >>> As far as I know, the only "paint safe" brake fluid, is DOT 5 >>> Silicone
>>> >>> fluid.
>>> >>>
>>> >>> On Mon, Oct 10, 2011 at 9:58 PM, ****>> wrote:
>>> >>>
>>> >>>> Thanks, not what I would like to hear but thanks anyway.
>>> >>>>
>>> >>>>
>>> >>>> On Oct 10, 2011, at 10:44 AM, **** wrote:
>>> >>>>
>>> >>>>> Yes.  Don't spill it!
>>> >>>>>
>> _______________________________________________
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