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<div dir="ltr" data-setdir="false">Has anyone found a source for new aluminum cylinders that are anodized? I read that the way to test them is to measure the continuity of the surface. Anodized won't conduct. I checked a few & either they were not anodized or if they were they bored out the cylinder after anodizing. Is it possible that if the bore is smooth/polished, as opposed to honing which is coarse, the rubber seal will last as long as it would in an anodized bore? And the bore should last long enough (years, decades) since it is harder that the rubber seal.</div><div dir="ltr" data-setdir="false">Gary Hodson</div><div dir="ltr" data-setdir="false"> </div><div dir="ltr" data-setdir="false"><br></div>
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On Thursday, June 15, 2023 at 08:58:42 AM CDT, Michael Salter <michaelsalter@gmail.com> wrote:</div>
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<div><div id="ydp696a27ebyiv2456570294"><div><div>Although some of the drivers handbooks recommended changing the fluid every 3 years and all the seals and hoses every 6 years or so I, like Mirek, I've never bothered and have had no significant issues.<div>That said however your clutch system, having been dry for some time, will most likely require new seals as they get a bit "crusty" when left exposed to the air for long periods.</div><div>BTW ...NEVER hone aluminium cylinders. They have a hard anodised coating inside the bores which honing will destroy. The remaining unanodized aluminium is too soft for use as a cylinder bore.</div><div><br clear="none"></div><div>M</div><div><br clear="none"></div></div><br clear="none"><div class="ydp696a27ebyiv2456570294gmail_quote"><div id="ydp696a27ebyiv2456570294yqt66458" class="ydp696a27ebyiv2456570294yqt7178328599"><div dir="ltr" class="ydp696a27ebyiv2456570294gmail_attr">On Thu., Jun. 15, 2023, 1:47 a.m. John Spaur via Healeys, <<a shape="rect" href="mailto:healeys@autox.team.net" rel="nofollow" target="_blank">healeys@autox.team.net</a>> wrote:<br clear="none"></div><blockquote style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;" class="ydp696a27ebyiv2456570294gmail_quote"><div lang="EN-US"><div><p class="ydp696a27ebyiv2456570294MsoNormal">Hello,<u></u><u></u></p><p class="ydp696a27ebyiv2456570294MsoNormal"><u></u> <u></u></p><p class="ydp696a27ebyiv2456570294MsoNormal">I am seeking the collective wisdom of my fellow Austin-Healey owners.<u></u><u></u></p><p class="ydp696a27ebyiv2456570294MsoNormal"><u></u> <u></u></p><p class="ydp696a27ebyiv2456570294MsoNormal">I restored my BT7 10 years ago and I drive it about 500 miles a year at the most. In the last few years, while the pandemic was in progress, it has been even less.<u></u><u></u></p><p class="ydp696a27ebyiv2456570294MsoNormal">About a year ago I installed a remote clutch bleeder tube and I did not tighten the bleed nipple sufficiently. As a result, fluid leaked out and I need to bleed the air out of the clutch system.<u></u><u></u></p><p class="ydp696a27ebyiv2456570294MsoNormal"><u></u> <u></u></p><p class="ydp696a27ebyiv2456570294MsoNormal">However, I was wondering, because it has been ten years since the hydraulic system was completely restored, if it would be wise to rebuild all of the cylinders in the brake and clutch system.<u></u><u></u></p><p class="ydp696a27ebyiv2456570294MsoNormal"><u></u> <u></u></p><p class="ydp696a27ebyiv2456570294MsoNormal">Also, would it be wise to replace the front caliper flexible hoses and the flexible hose under the jumper seats. It should be noted that all three hoses do not seem to have hardened and there are not any other problems with the hydraulic system other than having to bleed the clutch line because of the air leak.<u></u><u></u></p><p class="ydp696a27ebyiv2456570294MsoNormal"><u></u> <u></u></p><p class="ydp696a27ebyiv2456570294MsoNormal">What are your thoughts?<u></u><u></u></p><p class="ydp696a27ebyiv2456570294MsoNormal"><u></u> <u></u></p><p class="ydp696a27ebyiv2456570294MsoNormal">John Spaur<u></u><u></u></p><p class="ydp696a27ebyiv2456570294MsoNormal">’62 BT7<u></u><u></u></p></div></div>_______________________________________________<br clear="none">
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