Bad news from my engine builder, advice needed

[weider1717]

I recently pulled the engine from my 87 k10/v10 to have rebuilt. It engine only has 68k miles and minimum wear lip.

However, the machine shop did find some hairline cracking in the block. The engine builder prefers I go with an all new replacement long block from GM. If I did I would want a new one not reman.

See picture I have some friends that are highly trained at welding that said they can look at it and try to grind out and weld back with correct rod and say prob be 75% sure it would be fine. Any thoughts I’d love to keep my original engine with the truck..
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