I picked up a Elto Pal 1938-41 1.1 hp that was a wall hanger for about 40 years. It is seized up. I have used Kroil, Silikroil,
Rust Eater, Rust Buster, Gibbs, PB Blaster, & Liquid Wrench. I personally dislike WD-40 as it gums up after drying.
Each of these have been sprayed/poured into the...