Bob,
These are vent holes. I ran aluminum through mine and tied it to the master
cylinder with some slack. I have a hard time reaching through the floor
hole without dropping the cap on the floor and it always rolls where you
can't reach it.
Jon 50 3104
Chicago burbs
----- Original Message -----
From: "McNulty, Bob" <BMCNULTY@csuchico.edu>
To: "'oletrucks'" <oletrucks@autox.team.net>
Sent: Tuesday, December 12, 2000 1:20 PM
Subject: [oletrucks] old brakes and water and......
> I have been rebuilding my brake system (drum/drum) and finally got the
> master cylinder cleaned up. What a mess!! It had been sitting out side
> for many years. About 1/4 inch of rusty sludge in the bottom of the
> reservoir. It cleaned up rather nice with a lot of lacquer thinner and a
> final diluted muriatic acid (HCl) dip. Luckily the cylinder portion
itself
> is in good shape with minimal honing.
>
> Anyway... the nut portion on the cap was badly knarled so I used a file to
> try and square up the surfaces again. I notice a pinhole on two opposite
> faces of the nut. Did I file to far or are these breather holes? I
forgot
> to look before I filed.
>
> As an aside.. I was wondering why one couldn't make a "dehydrating bag"
to
> keep water out of the brake fluid. They make what is called a molecular
> sieve. These are small, inert, pellets which have an affinity for water
> sized or smaller molecules. I use them where I work to keep water out of
> various liquid reagents. It seems to me that one could make a small bag
or
> pouch of these sieves with a retrieval string. Place the bag in the brake
> master cylinder reservoir and keep moisture from leaking into the system
(at
> least from that location). This could even be used in the fuel tank to
soak
> up moisture.
>
> Hmmmmmmm maybe a new ___.com is in order.
>
> Any thoughts, comments,.....
> I think I am going to try it in a glass beaker full of brake fluid first
and
> test the idea by adding small amounts (mists) of water and watch what
> happens with time.
>
> Happy Holidays to all
>
> Bob in Chico
>
> [demime 0.97c removed an attachment of type application/ms-tnef]
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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