[darrylkmc]

fiddlybits,

I have seen a few areas that had sludge like that, but not a valve chamber full.

If you did a Lead test on that material you might find where your bearing metal is at.

What I mean by this comment is that if someone used high lead babbitt, that would explain why it is in the valve chamber and may be contaminated with Lead.

Darryl in Fairbanks