For those of you who installed your own turbos, how did you get the pipe plug out of the oil galley? I've tried crescent wrenches, vice-grips, pliers, etc. and all they do is slip and screw up the plug. And before I used all of those tools, I looked at every hardware store and automotive/truck tool store for the proper "square socket" as recomended by the ATS instructions with NO luck at all. Any other suggestions? I also hit it with a propan torch, hoping it would do something, but no luck!!