This is a technique that can be used with any common welding process, MIG and TIG (with Stainless or other specialty filler wire), or Stick Welding, as you’ll see I use Nickel-99 electrodes to make this video.
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Just thought I’d pass this along, hopefully it’ll help you weld up that cracked engine block or other somesuch repair. This technique worked for me, on that particular casting, your milage may vary. Have fun, and happy welding 
Post time: Jan-10-2017