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Old 10-02-2012, 11:43 AM
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entropy entropy is offline
Master Fabricator
Join Date: Sep 2007
Location: 910-Miles from the armpit of the west.
Posts: 8,588
Clean the whole thing spotless.

Start soaking the Kroil (or=) into it from both sides at least a day.
Get a big nut to weld to the remains of the cone and burn that mother on hot, but don't heat the Knuckle: get the nut centered the best you can, perfectly is about right.
When everything is cold again re-soak the threads with penetrating oil another day or two
Heat the Knuckle around the threads go through up to about blue should be enough (don't heat the KP) then put a 3/4" impact gun on the nut welded to the KP and make sure you are going the right way!
If it breaks again the real fun starts! If it moves apply more oil don't breathe the smoke and keep going.... If it starts to bind reverse the impact wrench and flood the oil top and bottom, make a rev, then reverse and power it out.

Oh and good luck

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