I like that idea to use a battery to heat a stud. Never heard of that before. I would guess most of heat would be right at the threads in the block....
I must admit I've pulled relays without disconnecting the battery but my relay pulling tool is safe for that but now that I have a battery disconnect...
Delorean was my dream car growing up and now I have 2. Trying to restore them the best I can. I live in MA and always looking for car shows to go to, to show them off. Keeping them as original as I can.