welding milodon sump. Mig or Tig?

Is that an Elko K member ?
Is it possable to raise the engine a little to reduce the amount you need to cut the sump .



Mo-cars. K frame is Elko, as for raising the engine, i`m struggling for clearance on the firewall so i need keep it as low as possible.

Thanks for the input guys, I think i`m sold on the TIG welding,