Re: crack in block
Access is everything when stitching a crack. Drilling, tapping inserting. Afterwards, pressure testing and hot Ceramic Seal treatment from Irontite is your insurance if you can find someone with the setup to do it. Step one: let the shop that is locally recommended, view the crack and see what they say. The second option would be furnace welding/brazing and is very much a specialty, not usually available locally. The chosen auto machine shop who says it can't be stitched might know where there is a casting repair facility for the weld job. After a welding repair, the pressure testing is still a must do. Sometimes things do escalate into rocket science. Also, if it comes to casting repair in the oven overnight, the babbitt will be removed.
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