Ok so im replcing my oil adapter gasket on my 93 mark 8, i go to remove the bolts and they gave me a hard time but eventually got 3 off but the top right bolt ended up rounding on me, ive tried vice grips,gator grip, and i went out and bout thouse craftsman sockets that are suposed to grap on them but that didnt work everything slips nebody have ne sugestions?