Quote Originally Posted by farmer-el View Post
Ports though are fouled. Solid hard gunk that I can't get out with solvents. Should I try grind it out?
If that "gunk" is lead build up you can dissolve it using a 50/50 mix of hydrogen peroxide and white vinegar. Do not leave it in contact for more than a max. of five minutes as it can etch the metal if left on too long. Use caution as It will also remove bluing