Posted by JoeS on February 11, 2003 at 12:14:46:
In Reply to: Willson Valves posted by Tracy B. on February 11, 2003 at 11:56:20:
Why not email D.E.G. from their website, and ask for the factory pads?
I believe they supply synthetic oil originally with the tuba (perhaps Hetman). Maybe the Hetman stuff is neutral to the rubber where traditional valve oil might attack the rubber (only a guess).