[Healeys] Aluminum brake & clutch cylinders

[warthodson at aol.com]

Kees,
I agree with your comments about polishing. I am interested in knowing the
origin of the assertion that the original aluminum cylinders were anodized. Do
you have any documentation to confirm that?
Gary Hodson


-----Original Message-----
From: Oudesluys <coudesluijs at chello.nl>
To: healeys <healeys at autox.team.net>
Sent: Wed, Mar 5, 2014 2:01 am
Subject: Re: [Healeys] Aluminum brake & clutch cylinders


Original cylinders were honed and polished before being anodised.
Honing leaves the aluminium surface relative rough. You have to polish
the surface using 400 grade or less. To make it perfect you can use
metal polish after that. The black is probably caused by rubber
particles that rub of the rough surface.
Kees Oudesluijs
NL


john spaur schreef op 5-3-2014 4:23:
> I don't know if original cylinders were honed or not. However, after
> honing several original cylinders, years ago, I noticed the brake
> fluid would turn black very quickly.  The brake fluid was relatively
> clear prior to honing and I am certain it was not related to a
> contamination issue.
>
> John Spaur
> '62 BT7
>
> At 05:35 PM 3/4/2014 -0500, warthodson at aol.com wrote:
>
>> What is the origin of the claim that the original cylinders were
>> anodized?
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--
Kees Oudesluijs
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2995XG Heerjansdam
T: 078-677 1233
E: coudesluijs at chello.nl

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