38Chevy
Well Known Member
I worked at a machine shop many years ago and have repaired many cracked block and heads using the case iron tapered plugs. I would start just before the crack and drill and install the first plug. Then I would drill right on the edge of that plug for the next plug continuing on to the end. The finished repair looked almost like a ‘row of dimes’ weld. I would the grind it all down flush and go over it with a small pneumatic punch that worked like a big engraver and the result would look just like the surrounding cast iron
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