Cracked block....recommendations?

not a mopar,..but got a sbc cracked from freaze plug almost to next freaze plug,....drilled end of crack,ground a v threw the crack,wielded with high nickle rod,..cooled slow 12 to 15 years ago an still holding water now in my dirt track car...id try the j-b wield an run it till she wares out long as it holds,..seen cracked detroit diesel run 250,000 miles repaired with j-b!