Class C 1994 Passport by Cobra engine troubles

Get thee to a shop with MDM disintegration equipment! Depending on where you are, there may be a mobile operation that can do it. That machine won't care if the pieces are hard like easy-out or a little softer like a stud.
This Linkgives you an idea how it works.

There's a welding-related tool called "Plasma Cutter" that might also work. Inquire at a good automotive machine shop.