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On 15 Jul 2004 at 0:05, Parker-Durost wrote: > Another thing gravity fed bleeding has going for it is not tearing up > your master cylinder piston seal. During normal brake use the bottom of > the cylinder bore is unused and gets rusty. Gravity bleeding avoids > bottoming out the piston into this area and tearing up the seal. I don't think this is really an issue. When I rebuild MCs, I find rusty areas at the mouth and under the feed ports. I admit that it's hard to see all the way to the bottom, but I've never had a problem with this. Gravity bleeding works best on a system that is starting out almost completely empty. I've done lots of pumping & bleeding, much more than by gravity. -- Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org