Reply to "Rear Lower Cross Brace Removal"

Clockwork, two things. On my previous Pantera I had to get into the bottom of the engine, and it had the welded in brace (not the hand brake one, the other). I cut it, planning to weld it back in. Can be done. My Hand brake bracket was removable. I ended up for other reasons taking the engine out anyway, so I could weld it back in, just welding from beneath would not have been very solid I think.

BUT...before you do anything, do you really need new oil pan gaskets? This may be unpopular on this forum where we tend advocate doing things right, regardless of the work needed. There is an alternative, clean the area where oil leaks with gas or solvent or something, apply RTV black. That might fix it until you for some reason want to take the engine out later? Most Pantera engines do come out occasionally
It has worked for me on two occasions over the years, I knew the engine would come out some months later.