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On 4 Sep 2003 at 0:56, Shad Laws wrote: > The problem with the setup that I (and ISP people) discovered is this: as > the line ages, it becomes more and more compliant. It doesn't fail; it > doesn't burst; it doesn't leak. It just gets "flexible" and swells up under > pressure like a rubber brake line. I was reading this again tonight and something about it rang a bell. It sounds like the same thing that happens when the MC in a 914 leaks out the mouth and gets the nylon bushings in the pedal cluster wet. It's been a long time, but I think those parts swelled up and softened, too. Apparently this is such a common Porsche problem that people sell bronze bushing upgrade kits to cure it. I wonder if it would have worked just fine with silicone brake fluid? That seemed to work fine on the 914 nylon pedal cluster bushings. Either that, or pick a more appropriate tubing material. You went to metal, but there are probably plastics which would also work. Sounds like ISP just didn't do their homework, but then we could say the same for Porsche. -- ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org