340 damage dilemma

We have had some bad shops around me most are gone now but I have had 4 blocks sleeved in the past and 2 blew out the cyl wall when pressing in the sleeve, one was a ford 300 6cyl, first cyl blew out the front and he said no big deal they do it some times wont hurt any thing. but the wall hit the water pump impeller. I had to bust out a big chunk of the wall to clear. The other one that broke out, over time rusted between the cyl and sleeve and pushed out the cyl wall till it hit the outer wall of the block and blocked off the water flow on that side of the block. Anybody else had anything like this happen.