Need advice - small cracks on block from water jacket to head bolt hole

Madness7645

Member
Jun 19, 2019
21
4
13
Tampa Bay
I'd like to thank you in advance for any help and input. I have my engine out doing some work and I noticed that on 6 spots on the block there is a small crack going from the water jacket to the head bolt hole. I will attach pictures to show you. I don't necessarily have a machine shop to bring it ton in order to get it checked further.

My questions are, is my block completely junk? Is this common? Am I safe to reassemble?

Thank you again for your time.
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Not to pile on, but find another block - this is junk. Maybe not totally unfixable junk if you have the resources, but stock blocks are plentiful if you need a base, and if resources aren't an issue then here's your chance to upgrade.
 
My original issue was overheating and blowing alot of white smoke out of the right side. No coolant or oil mixed. I also wasn't getting the proper boost from the supercharger. I attributed the over heating to the old water pump. Could this of been my lost boost issue as well? Or totally unrelated?