Same here... and a honed cylinder will last about 3 months...
On Fri, Sep 3, 2010 at 1:33 PM, john spaur <jmsdarch@sbcglobal.net> wrote:
> I have honed many healey hydraulic cylinders only to find dirty brake fluid
> shortly thereafter damaged piston seals. Caused, no doubt, by honing the
> cylinders! No more honing!
>
> John
>
>
> At 09:05 PM 9/2/2010 -0700, you wrote:
>
>> Good question.
>>
>> I have always assumed the bores were treated, since they have a slick,
>> shiny surface which isn't characteristic of untreated aluminum, which is
>> usually porous and dull in appearance.
>> A quick question to Mr. Google returned:
>>
>> http://www.ehow.com/how_5940980_rebuild-wheel-cylinder.html
>>
>> .... Aluminum wheel cylinders should never be honed. Aluminum wheel
>> cylinders have a hard, protective, anodized surface inside to prevent
>> corrosion. Honing will remove this surface.....
>>
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