GROSS(at)UNIT.COM,Internet writes:
>>I use silicone, primarily over paint concerns on a meticulous
>>restoration. However, if paint is not a concern and you are not
>>willing to replace all of your brake lines and rebuild all brake
>>components, stick with DOT 3. It is impossible to flush out
>>traditional brake fluid and replace it with silicone, everything must
>>be replaced and/or rebuilt. It's all a matter of priorities. Each
>>type of fluid has it advantages and disadvantages. IMHO it all boils
>>down to personal preference.
>>
>>Christopher
>>'67 SV od BRG
>This may no longer be the case, but at one time, english rubber
>was made of natural rubber, which was not too forgiving of some
>brake fluids.
>Girling, Lockheed and possibly others formulated special fliuds
>that worked well. Castrol/Girling fliud sort of became the defacto
>standard in the US for british brake fliud, and was sold as Castrol LMA.
>It was classified as a DOT 4, which I believe has to do with its vapor
>point, and not its chemical compatibility.
>When I bought my alpine, I used regular DOT 3 wagner brake fluid,
>and had to rebuild every hydrolic component in the car within a year.
>The rubber parts that came out were all gummy.
>I hypothesize that I had old rubber components, and the new fluid
>disolved them.
>Curt Meinel sent us an e-mail a while back that the castrol LMA fluid
>was no longer available. Seems to me he had a suitible replacement
>though.
>Curt?
>Jarrid Gross
Jarrid,
I am familiar with the problem of DOT 3 and natural rubber components,
but it is my understanding that replacement Girling seals are no longer
natural rubber, but synthetic. Can anyone confirm or deny this?
Christopher
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