OK, thank you again one and all. I'm going to keep the saw, it works so well, and even though I'm hard on tools, think it will at least go the distance of my last one.
Pics of the carnage:
Perfect, rust-free rear seats from a 70 Targa, rarer than early sport seats. Lots of multiple axis cuts to get this out clean
Carnage
Torsion bars were welded into the tube it seemed. Center cut in half.