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Originally Posted by Weldangrind
PBlaster is an excellent product, but it's designed to be used cold. If you need to heat the stud to remove it, get it as hot as you can (holding the flame on the stud), remove the heat and give it a quick shot of WD-40 around the perimeter of the stud.
The idea is to expand the stud with heat and then quickly quench it with WD-40. The stud immediately contracts and then the WD-40 wicks into the thread, usually allowing it to unscrew easily with whatever Vise Grips you have. Expect smoke when you spray WD-40 on the hot surface, and wear gloves and eye protection.
I've used this method for nasty rusted shock bolts on cars with good success.
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Wow! As always, thanks for posting the excellent advice, Weld.
In the future, I will reserve the PB Blaster for overnight soaking before I resort to the heat treatment you specified.
Spud
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Spud
"Never argue with an idiot. He will drag you down to his level, and beat you with experience."
Mark Twain
2015 Zongshen ZS250GY-3 (RX3)
2006 Zongshen ZS200GY-2 (Sierra 200)
2005 Honda XR650L
2004 Honda CRF250X
1998 Kawasaki KDX220
Mods made to my Zongshen ZS200GY-2:
http://www.chinariders.net/showthread.php?t=6894