I have been using nothing but Castol GT LMA for ever. It will no
damage the paint on the car if it is cleaned up right away especially
if you any of the newer paints that are a base coat clear coat. It
will take the normal paints that are used on suspension parts and
other misc components like that.
My main issue is that the silicone fluid will retain air suspended in
the system and it is very difficult to get a good solid pedal. This
is most noticeable on a car with drum brakes.
Next the moisture that gets into the system is in the air and you
cant avoid it getting into the system. Then it will go to the bottom
of the system with either fluid. Then water in the system equals
corrosion.
So what are we gaining.
This has been discussed so many times it will never come to a final
decision. I just know what we do and have done for ever and i am not
changing.
So now lets get into the formulation of the paint on the car and
which is the best one to use. Or Engine oils i am sure that one would
last for another week or so.
David Nock
British Car Specialists
Stockton Ca 95205
209-948-8767
www.britishcarspecialists.com
.
.
On Jun 8, 2010, at 10:04 PM, Editorgary@aol.com wrote:
> Sorry, I guess I wasn't paying attention and didn't realize it was
> time for
> the annual British Car Argue About Brake Fluid Festival. -- what
> must it be
> now, the 40th annual re-enactment of this ancient brawl?
>
> Fact 1: Neither glycol and silicone fluids, used separately, will
> not harm
> modern synthetic rubber seals.
>
> Fact 2: Glycol is hygroscopic and therefore must be flushed and
> replaced
> every two years.
>
> Fact 3: Silicone fluid won't harm paint; Glycol will.
>
> Fact 4: Glycol gives superior response because it doesn't compress
> as much
> before pushing through the system.
>
> Fact 5: Never, ever mix glycol and silicone fluids in any amounts,
> because
> they cancel out one another's additives and will cause the seals in
> the
> system to fail.
>
> Conclusions: Use glycol in cars that are driven frequently, but be
> very
> careful when you refill the system so you don't spill it on your
> paint, and
> change it regularly. Use silicone in show cars that are driven less
> hard and
> infrequently.
>
> And those were the same conclusions that I arrived at after
> research 14
> years ago when i wrote my first article on brake fluids for British
> Car
> Magazine, and no one has yet contradicted any of those facts,
> except for the fools'
> chorus that is a traditional part of this festival, where they array
> themselves and sing antiphonally across the grease pit: "Silicone
> fluid is bad"
> and from the other side, "Glycol Fluid is bad."
>
> Gary
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