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How to make a Piston Valve
https://www.spudfiles.com/viewtopic.php?t=9485
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Posted:
Sat Jul 21, 2007 8:31 pm
by
SwiftFox
The schrader doesn't have to be threaded. But I heard that there are easy and cheap ones in bike tubes. So I'll buy one and let him pull one out of those.