common sense goes a long way too, he was only talking about and oil pan bolt not a head bolt or any other bolts it works for those bolts also i have drilled out many bolts, just gave the guy and idea of what i would do, not trying to act like i know everything, i forgot more then most will ever know, sorry i was a master mechanic,retired. i have been a member on this board for a long time and this is one of the reasons i hold back on posting anything for being attacked , thanks guys the ones that really could use a little help can't get it for all the bull. no offence to anybody yall have a nice day, i'm going back to my garage and work. oh yea ps i'm sorry i don't have 12.000 posting i have better spent time, thanks again, does this get me slamed. hope not. i have been working on all kinds of cars very long time and never steped away from helping someone, reading the 1st post real slow would help then you would get the whole question. sorry again someone touched a nerve ,