The block will have to be cooked in an oven, shot blasted and then spray welded. surfaced, drilled, and threaded in a mill. $150 to $200 . I'll have my son send pictures .
This block was cooked The glyptal was put on before any machine work is done. The welds are trusted enough to add cross bolt mains to this block.
View attachment 1716292241
View attachment 1716292242
View attachment 1716292243
View attachment 1716292244
View attachment 1716292247