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Old 04-09-2017, 09:30 AM   #2
MikeK
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Join Date: May 2010
Location: Windy City
Posts: 2,919
Default Re: replacing head studs

PATIENCE! Many threads on this topic.

Me: penetrating oil. tap all around with small hammer, repeat many times, try back and forth with small pipe wrench or double nut, have a beer, repeat, repeat several days.

If still stubborn, heat stud to just red about 1" above block, as soon as red goes away squirt your fav snake oil, like 50/50 ATV & acetone, then repeat everything again. Some people use a birthday candle (paraffin) melted at the hot base instead of penetrating fluid, I have not personally tried it, didn't need to.

Rule of thumb:
Number of broken off studs requiring drilling is inversely proportional to PATIENCE.
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