Originally Posted by
gearbasher
My cartridge BB removal set up:

This particular one would not budge. So, one blip with an impact wrench and it was out.
It comes to all of us in our own way.
I've never needed an impact and the wrench is supposed to be directly on and as close as possible to the stuck part.
A basic tenet taught by many expert mechanics to me along the way.
I've always been able to get it loose by as direct as possible contact.