Originally Posted by Murph
an update since I finally got a chance to work on the gun again, the spacer didn't work, but I soaked it and another leaky autococker in a 50/50 rubbing alcohol/water mixture and was shocked by how much dirt came out of each one. That's probably what's causing my gun to not seal, right there.
Dirt? I know the parts that I had anodized came back wreaking of smoke, so I'm sure some of what came off is tar (though I remember washing them up pretty thoroughly with hot soapy water - inside & out).