Using the drill and stitch method works really well if the shop doing it knows how to do it properly All cast iron welding should be done in a oven to get the block temperature up to the proper temps and theen allowed to cool down properly so no machining work needs to be done again due to the block warping and shifting the casting It is his or her choice Good luck
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)