*gentlydoesit Posted September 2, 2013 Report Share Posted September 2, 2013 If you use some cutting compound and something to act on it rotationaly it should only take a few seconds and be mint. Like re-seating a valve on a car head. Quote Link to comment Share on other sites More sharing options...
Topsy Posted September 2, 2013 Author Report Share Posted September 2, 2013 Too late, the old one is cut in half Definitely trying to get metal ones done. I altered it a bit and added an o-ring. No clue if it will work, but it should imo Quote Link to comment Share on other sites More sharing options...
Blake Posted September 3, 2013 Report Share Posted September 3, 2013 if you're making a metal piston make have 2 O rings on it and use GREASE Quote Link to comment Share on other sites More sharing options...
bing Posted September 3, 2013 Report Share Posted September 3, 2013 Use Vaseline, it's much better for that purpose. And works loads better with water bleeds Quote Link to comment Share on other sites More sharing options...
*gentlydoesit Posted September 3, 2013 Report Share Posted September 3, 2013 (edited) Silicone grease has less drag than vaseline, has a much higher temperature range and is recommended for most brake piston rebuild kits. (Not trying to be a smartarse) its not cheap. About 10-20 quid for a toothpaste sized tube of the good stuff. If you are going to water bleed a metalpiston you'll need something like that to stop the corrosion (unless its stainless ect) Edited September 4, 2013 by f**megently Quote Link to comment Share on other sites More sharing options...
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