I called a good local machine shop, he said 300 total to sleeve it, but it usually knocks the next cylinder out of round, and it snowballs.
I won’t touch it, until the owner makes his decision, but I also won’t be strung along.
Hopefully this isn’t the old switcheroo, because it does sound like it.
He's right, too. That's why you sleeve first, then check the two adjacent cylinders so that you can figure what their bore needs to be and proceed from there. Hopefully, you get this resolved to your satisfaction.