This sounds more sane than anything right now. Take the weight off of it (the crack), grind it out a little and burn it in!! If you are feelin it, plate it and its solid and still not a hard fix for the next guy if he/she has to have it perfect. But........hanging the engine with one of these tools and pullin the K member out isn't a big deal? Maybe it is? I dunno. but if you can see the crack ....weight off, heat it to burn out crap, clean it and weld it.