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When using a propane torch, the hottest part of the flame is at the tip of the inner blue flame. If you hold this part of the flame just in contact with the part, you can get some red color in the metal. (It does take a lot of time. Oxy/Acetylene is WAY hotter.)
After that, try quenching it with water and heating it again. The expansion/contraction should break the corrosion free eventually. Probably still have to hit with a hammer, though.
When using a propane torch, the hottest part of the flame is at the tip of the inner blue flame. If you hold this part of the flame just in contact with the part, you can get some red color in the metal. (It does take a lot of time. Oxy/Acetylene is WAY hotter.)
After that, try quenching it with water and heating it again. The expansion/contraction should break the corrosion free eventually. Probably still have to hit with a hammer, though.
Do not currently have a oxy/acetylene - but avoided getting out the plasma cutter. Patience is not always my strong suit...
The 1996 F250 4X4 is with the new owner now - with the 460 it is a towing maniac. The previous owner wanted it back badly so I sent her way with the new balljoint in the passenger seat and the old cracked rotor filling another pothole in the driveway...